Explore topic-wise InterviewSolutions in .

This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following reason is not valid for pattern colouring?(a) Identification of main body(b) Visualising the to be machined surface(c) Indication of the type of metal(d) Locating parting surfaceI had been asked this question during an online interview.I'm obligated to ask this question of Pattern Colours in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right ANSWER is (d) Locating PARTING surface

Easiest EXPLANATION: Locating pattern surface is one of the steps of pattern construction, WHEREAS the identification of the main body, visualising the, to be machined surface and indication of the type of metal are the reasons as to why a pattern is imparted colour.
Discussion
2.

Which of the following has the lowest melting point?(a) Cast Iron(b) Steel(c) White Metal(d) BrassThe question was asked in class test.This intriguing question comes from Pattern Materials in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right choice is (c) WHITE Metal

Explanation: Among the GIVEN metals and metal alloys, white metal (TIN base alloy) has the lowest melting point which is approximately 260 degrees CELSIUS.
Discussion
3.

Which of the following is not a limitation of metal patterns?(a) Get rusted(b) Obtain rough surface finish(c) Expensive(d) HeavyI had been asked this question by my school teacher while I was bunking the class.The origin of the question is Pattern Materials in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT choice is (B) Obtain ROUGH surface finish

Easiest explanation: In metal patterns, it is extremely easy to obtain a smooth surface finish. To achieve a smooth surface finish, it is COUNTED as an advantage in metal patterns over wooden patterns.
Discussion
4.

Which of the following is not a limitation of wooden patterns?(a) Get abraded easily(b) Absorb moisture(c) Difficult machining(d) Poor wear resistanceThis question was posed to me during an interview.Origin of the question is Pattern Materials topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct OPTION is (C) Difficult machining

Explanation: Wooden patterns are the EASIEST to get MACHINED than all the other materials which are used for making patterns, and hence is counted as one of its advantage and not limitation.
Discussion
5.

Subsequent machining for products finishing does not require extra material to the metal casting, as it removes negligible amount of material from the casting.(a) True(b) FalseI got this question during an interview.My enquiry is from Finishing Patterns & Storing of Patterns topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer» CORRECT option is (b) False

The best I can explain: It is very NECESSARY to include extra material to the metal casting to COMPENSATE it for SUBSEQUENT machining which removes very fine particles to vanish roughness and to make casting smooth and aesthetically pleasant. Then the casting becomes ready for industrial application.
Discussion
6.

Which of the following technologies is used in metal casting for reducing the product development time?(a) Radiography(b) UV radiation(c) Eddy current coiling(d) Rapid prototypingThe question was asked in semester exam.My question is based upon Finishing Patterns & Storing of Patterns in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer» CORRECT option is (d) Rapid prototyping

Explanation: Rapid prototyping is used for DECREASING the product development TIME in METAL casting, in which parallel horizontal layers of material are formed with the help of equidistant layers in a computer through CAD software. This all is achieved by rapid prototyping without application of any finished pattern.
Discussion
7.

While imparting colours to the patterns, which colour scheme is followed?(a) Indian(b) American(c) Australian(d) BritainThe question was posed to me in final exam.The above asked question is from Pattern Colours topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct OPTION is (b) American

Easiest explanation: Colours are IMPARTED to the patterns for recognising different parts and has many other advantages. During IMPARTATION certain colours and shades to the pattern, it is the American colour SCHEME that is FOLLOWED.
Discussion
8.

Which of the following ranges show the approx range of finishing depth (in mm) required for finished casting?(a) 2 to 20(b) 20 to 30(c) 30 to 35(d) 35 to 40I got this question in an international level competition.My question is taken from Finishing Patterns & Storing of Patterns topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct choice is (a) 2 to 20

The BEST explanation: The range of FINISHING depth basically depends on dimensions, the type of casting material and the surface finish required, but for the approximation, it COMES in the range of 2 to 20 mm. In this range, casting can achieve greater surface smoothness and SHINY surface with good appearance.
Discussion
9.

Finishing also includes removal of scales from the surface of the casting.(a) True(b) FalseThe question was posed to me during an internship interview.I'd like to ask this question from Finishing Patterns & Storing of Patterns in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct option is (a) True

To ELABORATE: When the casting is made in the MOULD cavity, some of the oxides layers called as scales ADHERE tightly to the SURFACE of metal casting, which should be removed for making casting strong and durable. So to achieve this, proper finishing and CLEANING are done with the help of tools to make casting free from scales.
Discussion
10.

Core boxes are made out of which pattern?(a) Plaster pattern(b) Wax pattern(c) Metal patterns(d) Polystyrene patternsThe question was posed to me in a job interview.My doubt is from Pattern Materials in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right answer is (a) PLASTER pattern

Explanation: A pattern is basically a DUPLICATE of the OBJECT that has to be casted. It is one of the applications of plaster pattern to make core BOXES and other small and INTRICATE patterns.
Discussion
11.

Which method is used for locking planks and bars?(a) Mortising(b) Building-up(c) Soldering(d) BrazingThe question was posed to me in semester exam.I would like to ask this question from Jointing Materials topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct ANSWER is (a) Mortising

To explain I would say: The process of locking PLANKS and bars together at a given ANGLE is CALLED as mortising. A mortise is a wood working machine, used for mortising tenon joints. A mortise can also be used for CUTTING square holes in wood.
Discussion
12.

Which colour is given to stop-offs or supports?(a) Yellow strip on black background(b) Red strip on yellow background(c) Black strip on yellow background(d) Yellow strip on red backgroundI had been asked this question in a job interview.My question is from Pattern Colours in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (C) BLACK strip on yellow background

Explanation: Provision of colour scheme makes it easy for ONE to DETECT the part and the operation to be PERFORMED on it. According to the American pattern colour scheme, black strip on a yellow background is to be given for Stop-offs or the supports.
Discussion
13.

To ease the storing and assembly which of the following method is used by industries?(a) Colour pattern(b) Scanned copy/Photo(c) Coding and numbered(d) No measurements are takenI have been asked this question by my college professor while I was bunking the class.The question is from Finishing Patterns & Storing of Patterns topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (c) CODING and numbered

For EXPLANATION: Coding with numbers are the EASIER ways to distinguish the assemblies of patterns and EASE its storing.
Discussion
14.

Gimlet is which of the following tool?(a) Clamping tools(b) Drilling tool(c) Sawing tool(d) Wood planing toolI have been asked this question during an internship interview.Question is taken from Pattern Making topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct answer is (b) Drilling TOOL

Explanation: GIMLET is one of the drilling and boring tools. Gimlet is used for making PATTERNS but is not counted under clamping, SAWING or wood PLANING tool.
Discussion
15.

Draft is generally provided to make a clearance between the pattern and the mould during pattern extraction.(a) True(b) FalseThis question was posed to me during a job interview.This interesting question is from Pattern Fillets topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (a) True

The best EXPLANATION: DRAFT angles are NORMALLY included into the pattern design to make easy extraction of a pattern from the mould cavity. Draft angles are used in most of the pro¬cesses in which a pattern is WITHDRAWN from the mould prior to pouring. Draft is very necessary to provide a clearance between the pattern and the mould during pattern extraction.
Discussion
16.

Match Plate pattern consumes more time in moulding operations than loose piece pattern.(a) True(b) FalseI got this question by my school principal while I was bunking the class.The question is from Types of Pattern topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT option is (b) False

Best explanation: In LOOSE piece pattern, the pattern is drawn out first and then the loose pieces, which consumes more TIME. On the other hand, MATCH plate casting is used for small casting only, hence operates in LESS time.
Discussion
17.

Rat tails and buckles in sand casting are caused by __________(a) Lower strength of the solidified metal(b) Lower refractoriness of the moulding sand(c) Lower strength of the moulding sand(d) Lower hardness of the moulding sandI had been asked this question during a job interview.My question is from Pattern Design topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct CHOICE is (c) Lower strength of the MOULDING sand

Explanation: Lower strength of the moulding sand causes rat tails and BUCKLES type of defect in manufacturing of CASTING.
Discussion
18.

In Solid casting method, the resin mixture is kept for how much time for hardening and curing?(a) 1-2 hours(b) 2-3 hours(c) 3-4 hours(d) 4-5 hoursI got this question in a job interview.Origin of the question is Pattern Materials topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct choice is (b) 2-3 HOURS

Easiest explanation: A mould of PLASTER of Paris is made, into which the RESIN mixture is POURED, in SOLID casting. This mixture takes up 2-3 hours to harden and get cured.
Discussion
19.

Temperature and humidity should be _________(a) Very low(b) Very high(c) Be controlled accordingly(d) Is not a matter of concernI had been asked this question during a job interview.My question is from Finishing Patterns & Storing of Patterns topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT ANSWER is (c) Be controlled accordingly

The best EXPLANATION: Neither too high nor too low temp is REQUIRED but it is a factor to be controlled as to AVOID pattern rusting or warping.
Discussion
20.

Which colour is given to parting surfaces?(a) Red(b) Black(c) Yellow(d) No colourThe question was asked during an interview.My doubt is from Pattern Colours topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT answer is (d) No colour

Explanation: PROVISION of colour scheme makes it easy for ONE to detect the part and the operation to be performed on it. According to the American pattern colour scheme, no colour is to be GIVEN for PARTING surfaces, that is, it has to be kept clear.
Discussion
21.

Sharp corners in the casting design also produce the problem of sand inclusion in the castings.(a) True(b) FalseThis question was addressed to me in examination.This intriguing question originated from Pattern Fillets topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right option is (a) True

The best explanation: Sharp CORNERS in the CASTING DESIGN causes hot spots which produce many casting defects, such as hot tears, metal penetration, shrinkage, cracking and gas-related defects. And the sharp edges on the metal are also prone to breaking off and MAY cause SAND inclu¬sions in the casting.
Discussion
22.

Metal patterns have a longer life than wooden pattern.(a) True(b) FalseI had been asked this question in an online quiz.Question is taken from Pattern Materials in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT CHOICE is (a) True

The explanation: It is true that, metal PATTERNS have a longer life than wooden patterns, as metal patterns are STRONGER and accurate as compared to wooden patterns.
Discussion
23.

Lack of filleting of sharp corners in the casting design can cause hot spots in the casting.(a) True(b) FalseThis question was posed to me in an internship interview.This interesting question is from Pattern Fillets in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct choice is (a) True

Explanation: When filleting of sharp corners is not done properly, then it causes an interruption in cooling of casting that basically creates localized AREAS that solidify very slowly than the rest of the part, this result into the FORMATION of hot SPOTS in the casting, which causes VARIOUS defects in the casting.
Discussion
24.

After providing the finishing allowance to the metal casting, it is not necessary to include shake allowance as it can be covered by finishing allowance.(a) True(b) FalseI had been asked this question at a job interview.Origin of the question is Finishing Patterns & Storing of Patterns topic in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (b) False

Explanation: The purpose of SHAKE ALLOWANCE is totally different and OPPOSITE from finishing allowance. Shake allowance includes reducing of PATTERN DIMENSIONS, before implementing this, the casting made is generally large that is caused by the pattern removal which enlarges the mould cavity. So, shake allowance is provided, it is also called a negative allowance.
Discussion
25.

Disc Sander is an abrasive type of machine.(a) True(b) FalseThe question was posed to me in an online quiz.My question is taken from Pattern Making topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT choice is (a) True

To elaborate: ABRASIVE type of MACHINES has three TYPES, belt sander, SPINDLE sander and disc sander. Hence, disc sander is a type of abrasive type of machine.
Discussion
26.

Which of the following is not a sawing tool?(a) Coping saw(b) Pinch dog(c) Panel saw(d) Bow sawI have been asked this question in final exam.This question is from Pattern Making topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right choice is (B) Pinch dog

For EXPLANATION I would say: Pinch dog is one of the tools used for clamping processes. While COPING saw, PANEL saw and bow saw are the different types of SAWING tools.
Discussion
27.

Which pattern operation is used for manufacturing wheel rims?(a) Follow board pattern(b) Segmental pattern(c) Sweep pattern(d) Gated patternThis question was posed to me in final exam.I need to ask this question from Types of Pattern topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right choice is (B) Segmental pattern

The best I can explain: In segmental pattern, it does not revolve continuously to make the MOULD, but completes one part of the mould and then goes to make the next portion. HENCE, such TYPE of pattern is used for MAKING wheel rims and big gears.
Discussion
28.

Mortising does locking at given angles.(a) True(b) FalseI have been asked this question in an interview for internship.My question comes from Jointing Materials in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct answer is (a) True

To elaborate: A mortise is a WOOD working machine, used for mortising tenon joints and the PROCESS of locking planks and BARS together at a given angle is called as mortising. A mortise can also be used for cutting SQUARE holes in wood.
Discussion
29.

Building-up process is used for making what?(a) Shields and boards(b) Dowels(c) Round pins(d) BeltsThe question was posed to me in a national level competition.Query is from Jointing Materials in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT OPTION is (a) SHIELDS and boards

Easiest EXPLANATION: NONE.
Discussion
30.

A very large fillet in casting design also may cause shrinkage defects in the casting.(a) True(b) FalseI have been asked this question in homework.My doubt stems from Pattern Fillets in division Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct option is (a) True

For explanation: In PATTERN fillets, a large fillet adds extra METAL to the junction, which also may cause shrinkage problems due to the variations in the volume of casting. So the best design is to main¬tain UNIFORM section thickness whenever POSSIBLE in the casting design to keep the casting STABLE and strong.
Discussion
31.

Which colour is given to core prints seats?(a) Red(b) Blue(c) Yellow(d) BlackThe question was posed to me in an internship interview.My question is from Pattern Colours in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right choice is (C) Yellow

The best I can explain: Provision of colour scheme makes it EASY for one to DETECT the part and the operation to be PERFORMED on it. According to the American pattern colour scheme, yellow colour is to be given for core print seats.
Discussion
32.

Green colour is used for machined cast surface.(a) True(b) FalseThe question was posed to me in class test.My question is from Pattern Colours in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right answer is (B) False

Easiest EXPLANATION: GREEN colour is not given to any of the casting surfaces. Cast surfaces which are yet to be machined are IMPARTED with red colour. Green colour, as a matter of fact, is not provided to any pattern.
Discussion
33.

In pattern fillets, the size of a fillet is usually determined by its width.(a) True(b) FalseI got this question in my homework.Origin of the question is Pattern Fillets in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right ANSWER is (b) False

Explanation: In PATTERN fillets, the size of a fillet is generally determined by its radius, it is not measured by its width. Fillet sizes may vary, but it can be possible for a fillet to be too large. Proper FILLETING in the pattern makes the casting strong and more reliable that reduces the further cost of machining.
Discussion
34.

Which type of pattern should be used for making stuffing box of the steam engine?(a) One piece pattern(b) Split Pattern(c) Sweep pattern(d) Gated patternI have been asked this question in homework.I want to ask this question from Types of Pattern topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The CORRECT option is (a) One piece PATTERN

Explanation: One piece pattern OPERATIONS for moulding are USED for manufacturing a SMALL number of casting only. Hence, a stuffing box can be casted with this type of pattern.
Discussion
35.

Design of pattern elements and method of jointing depend on?(a) Strength(b) Hardness(c) Ductility(d) BrittlenessThe question was posed to me in an internship interview.My query is from Jointing Materials in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Correct CHOICE is (a) Strength

To explain: The design of the ELEMENTS of pattern and its METHOD of JOINING depends on the strength and the accuracy to which the pattern has to be made.
Discussion
36.

Which colour is given to the cast surfaces which are to be left not-machined?(a) Red(b) Blue(c) Black(d) YellowThis question was addressed to me in exam.My question is based upon Pattern Colours in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right option is (c) BLACK

The explanation: Provision of colour scheme makes it easy for ONE to detect the PART and the operation to be PERFORMED on it. According to the American pattern colour scheme, black colour is to be given for cast SURFACE left to be not-machined.
Discussion
37.

In horizontally parted moulds, a draft is required for vertical as well as for horizontal surfaces of a pattern.(a) True(b) FalseI have been asked this question in an international level competition.Question is from Pattern Fillets in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (b) False

The explanation is: The draft angle required on the pat¬tern mainly DEPENDS on the moulding process and the depth of pattern in the mould. ESPECIALLY in horizontally PARTED moulds, only the vertical surfaces require a draft. HORIZONTAL surfaces separate the pattern from the mould automatically during pattern removal.
Discussion
38.

Which of the following pattern making machine makes wooden board?(a) Jointer(b) Drill press(c) Mortiser(d) Scroll sawThis question was posed to me in final exam.This interesting question is from Pattern Making topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT answer is (a) Jointer

The BEST explanation: A jointer or HAND planer has its use in producing wooden boards and planks. BASICALLY, a plane of uniform thickness.
Discussion
39.

Calculate the riser diameter for an annular cylinder of 30 cm outer diameter, 10 cm inner diameter and 30cm height. ( correction factor = 1.14)(a) 22cm(b) 20cm(c) 22.6cm(d) 20.6cmI have been asked this question in examination.I'm obligated to ask this question of Pattern Design topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct choice is (c) 22.6cm

The best I can explain: CORE DIA = 10cmPlate THICKNESS = 10cmCorrection FACTOR = 1.14

Riser Volume = 0.48 x 18849 = 907.52 cm^3

∴ Riser diameter = 22.585cm = 22.6cm.
Discussion
40.

Which of the following is the heaviest?(a) White(b) Brass(c) Cast Iron(d) AluminiumThe question was asked in exam.Question is taken from Pattern Materials topic in portion Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT choice is (b) Brass

Easy explanation: Aluminium and White metal are considered to be one of the lightest metals and alloys, whereas brass and cast irons are considered to be heavy materials. But, EVEN among the TWO, brass is heavier than cast iron.
Discussion
41.

To avoid sharp external corners in casting design, rounding of external edges is done in pattern making that termed as radii.(a) True(b) FalseThe question was posed to me in examination.I would like to ask this question from Pattern Fillets in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right answer is (a) True

For explanation I would say: A RADIUS is provided that termed as radii for rounding of external edges of a pattern to aid in removing the pattern from the mould and ELIMINATING the sharp external edges from the casting. It also makes the casting more AESTHETICALLY pleasing than casting with SHARPER corners.
Discussion
42.

Which of the following pattern making machine works on two pulleys?(a) Circular saw(b) Band saw(c) Wood turning lathe(d) Jig sawThis question was posed to me in an interview for internship.Asked question is from Pattern Making topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer» RIGHT CHOICE is (b) Band SAW

Explanation: A band saw utilises an ENDLESS metal saw band which has movement of two pulleys located one above the other in a vertical plane.
Discussion
43.

The following wooden workpiece is which type of pattern set?(a) Cylindrical(b) Trough shaped(c) Drum-type(d) RectangularThis question was addressed to me in class test.My doubt stems from Jointing Materials topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The CORRECT choice is (d) RECTANGULAR

The BEST explanation: The given figure REPRESENTS a rectangular WOODEN workpiece, while the other remaining three are types of cylindrical pattern set.
Discussion
44.

Riser for a sand casting can be designed using ___________(a) Modulus method(b) Cained method(c) Naval research laboratory method(d) All of the mentionedI got this question during a job interview.My question comes from Pattern Design topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct option is (d) All of the mentioned

The explanation is: The three of these methods- MODULUS, Cained and NRLM are USED to CALCULATE and design Riser for a sand CASTING.
Discussion
45.

What shape does fillet pieces have?(a) Convex(b) Concave(c) Convex and concave(d) PlaneThe question was posed to me during an interview.Question is taken from Jointing Materials topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer» CORRECT answer is (b) Concave

To elaborate: FILLETS have different CONSTRUCTION for the straight and the corners which are not split. They are made up of milled concave pieces stuck in their position.
Discussion
46.

To join pieces of timber in width and thickness is called?(a) Pattern filling(b) Mortising(c) Building-up(d) BrazingI have been asked this question in unit test.I would like to ask this question from Jointing Materials topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer» CORRECT CHOICE is (c) Building-up

The EXPLANATION: The process of joining pieces of timber in width and thickness is called as building-up. A mortise is a wood WORKING machine, used for mortising tenon JOINTS and brazing is used in welding.
Discussion
47.

It is not necessary to avoid any sharp internal corners from casting design, as it causes very negligible problems.(a) True(b) FalseThe question was asked during an online interview.This intriguing question comes from Pattern Fillets topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer» CORRECT option is (b) False

Best explanation: SHARP INTERNAL corners on a casting design must be avoided whenever pos¬sible. The small VOLUME of melt located in a casting’s internal corner quickly BECOMES superheated and transfer of heat becomes very difficult at this location, this further results in the formation of defects in the casting.
Discussion
48.

Which of the following is not measuring, marking or layout tools?(a) Caliper(b) Trisquare(c) T-bevel(d) Compass SawI have been asked this question in an interview for internship.Question is from Pattern Making topic in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»
Discussion
49.

Why is it important to take careful measurements/steps while storing the pattern?(a) They loose their shape and size(b) They get rusted(c) They get warped(d) All of the mentionedThe question was posed to me in an international level competition.Question is taken from Finishing Patterns & Storing of Patterns in section Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

Right CHOICE is (d) All of the mentioned

The explanation is: On long STORAGE, if CAREFUL measurements are not taken then PATTERN materials tends to alter their dimension and the physical condition gets worse.
Discussion
50.

Wooden workpieces of a pattern set come in which of the following type?(a) Triangular(b) Circular(c) Hexagonal(d) PentagonalI had been asked this question in an interview for job.My enquiry is from Jointing Materials topic in chapter Pattern and Pattern Making of Casting-Forming-Welding I

Answer»

The correct choice is (b) CIRCULAR

The explanation is: Wooden workpieces of a pattern set to come in circular type which are USED for making annular PARTS and ELEMENTS having a trough shape.
Discussion