80 + Interview Questions in Load Bearing Walls in Construction & Building Materials Page 2 InterviewSolution

51.	Effective length of a continuous wall supported by piers is ___________(a) 0.8L(b) 1.0L(c) 1.5L(d) 2.0LThis question was posed to me in a job interview.This intriguing question comes from Effective Length and Thickness of Wall in division Load Bearing Walls of Construction & Building Materials
Answer» Correct option is (a) 0.8L The best explanation: Effective length of a continuous wall supported by piers is 0.8L. The SUPPORT can be provided by BUTTRESSES or cross-walls as well. However, when a wall is supported at both its ends, then the effective length BECOMES 1.0L.

Discussion

52.	The stiffening coefficient varies inversely with the __________(a) Actual thickness of the wall(b) Thickness of pier(c) Spacing of wall(d) Width of pierThe question was asked in class test.Origin of the question is Effective Length and Thickness of Wall topic in portion Load Bearing Walls of Construction & Building Materials
Answer» Right CHOICE is (a) Actual thickness of the wall The explanation is: The stiffening coefficient DEPENDS on the thickness of the PIER to which the wall is BONDED and the actual thickness of the wall. It VARIES directly with the thickness of the pier and inversely with the actual thickness of the wall.

Discussion

53.	Effective thickness of masonry is reduced if the eccentricity ratio exceeds ___________(a) 1/2(b) 1/3(c) 1/5(d) 1/6I got this question during a job interview.Origin of the question is Effective Length and Thickness of Wall topic in section Load Bearing Walls of Construction & Building Materials
Answer» Right answer is (d) 1/6 To ELABORATE: Effective thickness of masonry is REDUCED if the eccentricity RATIO exceeds 1/6. When the eccentricity ratio exceeds 1/6, it results in the TENSION on one side of the member which reduces the effective thickness.

Discussion

54.	Weak mortar has __________(a) Only lime(b) Only cement(c) More cement and less lime(d) More lime and less cementThis question was addressed to me in final exam.This intriguing question originated from Load Bearing Walls topic in division Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (d) More LIME and LESS cement For EXPLANATION: Mortar consists of both lime and cement. The STRENGTH of the mortar DETERMINES the strength of a wall. Weak mortar has more of lime and less of cement.

Discussion

55.	A cavity wall is a wall that consists of _________ leaves.(a) Only one leaf(b) Two(c) Four(d) ZeroThis question was addressed to me in my homework.My enquiry is from Types of Walls in chapter Load Bearing Walls of Construction & Building Materials
Answer» The correct choice is (b) Two For EXPLANATION I would say: A cavity wall is that TYPE of load-bearing wall which CONSISTS of two leaves. These leaves are made up of structural units and are SEPARATED by a cavity which is why these are called cavity WALLS.

Discussion

56.	A panel wall is an __________(a) Internal non-loading bearing wall(b) External load-bearing wall(c) Internal load-bearing wall(d) External non-load bearing wallThis question was posed to me in an online quiz.I want to ask this question from Types of Walls in portion Load Bearing Walls of Construction & Building Materials
Answer» CORRECT ANSWER is (d) External non-load bearing wall Easy explanation: Walls are mainly DIVIDED into TWO types – load-bearing and non-load bearing walls. Each type is further divided into internal and external walls. A panel wall is defined as an external non-load bearing wall.

Discussion

57.	Effective length of a continuous wall is 0.8L when there is no opening within _________ of the height of the wall.(a) One-fourth(b) One-eighth(c) One-sixteenth(d) One-halfThe question was asked during an interview.I would like to ask this question from Effective Length and Thickness of Wall topic in chapter Load Bearing Walls of Construction & Building Materials
Answer» Correct option is (B) One-eighth The best I can explain: Effective length of a CONTINUOUS wall is 0.8L when there is no opening WITHIN one-eighth of the HEIGHT of the wall. Therefore, when the opening in the wall is not closer than H/8 from the cross wall, then the effective length is 0.8, where H represents the actual height of the wall.

Discussion

58.	___________ categorises walls into calculated walls and non-calculated walls.(a) British Code CP. 11(b) British Code CP. 3(c) British Code CP. 16(d) British Code CP. 4The question was posed to me in final exam.Query is from Structural Design of Walls topic in section Load Bearing Walls of Construction & Building Materials
Answer» Right OPTION is (a) BRITISH CODE CP. 11 Best explanation: British Code CP. 11 classifies walls into two categories which are calculated walls and non-calculated walls. Calculated walls are the load-bearing walls while non-calculated walls are the non-load bearing walls.

Discussion

59.	A column is _______ member.(a) Vertical load-bearing(b) Vertical non-load bearing(c) An Isolated load-bearing(d) An Isolated non-load bearingI had been asked this question in an interview for job.Asked question is from Types of Walls in section Load Bearing Walls of Construction & Building Materials
Answer» The correct choice is (C) An ISOLATED load-bearing The explanation: A column is defined as an isolated load-bearing MEMBER. The main difference between a WALL and a column is that the width of a wall exceeds four TIMES its thickness while the width of a column does not.

Discussion

60.	The effective height of a wall of actual height H, partially restrained at the bottom and having no lateral support at the top is __________(a) 0.85H(b) 0.75H(c) 1.00H(d) 1.50HThe question was asked in examination.This interesting question is from Effective Height of Wall in chapter Load Bearing Walls of Construction & Building Materials
Answer» Correct answer is (d) 1.50H For explanation I WOULD say: The EFFECTIVE HEIGHT of a wall of ACTUAL height H partially restrained at the bottom and having no lateral support at the top is 1.50H. This is also true if it has no ROTATIONAL support at the top.

Discussion

61.	Which of the following is not a type of load-bearing wall?(a) Solid masonry wall(b) Panel wall(c) Cavity wall(d) Faced wallI have been asked this question in an international level competition.This question is from Types of Walls topic in chapter Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (b) Panel WALL For explanation: Load-bearing WALLS are further classified into the FOLLOWING TYPES – solid masonry wall, cavity wall, veneered wall, and faced wall. A panel wall is a non-load bearing wall which is used in framed structures.

Discussion

62.	In which of the following types of load-bearing walls, the facing is attached to the backing but not bonded?(a) Faced wall(b) Cavity wall(c) Veneered wall(d) Panel wallThis question was addressed to me in an interview for job.The query is from Types of Walls in chapter Load Bearing Walls of Construction & Building Materials
Answer» The correct CHOICE is (c) Veneered wall For explanation I WOULD SAY: In a veneered wall, the FACING is attached to the backing but not bonded. In a faced wall, the facing and the backing are bonded together. A cavity wall is the one that consists of TWO leaves. A panel is a non-load bearing wall.

Discussion

63.	The formula for calculating the total load supported by a lintel in which total load is given by the expression 0.44 L^2 x t x W /100 is derived by assuming an angle of spread of __________(a) 15°(b) 30°(c) 45°(d) 60°I had been asked this question in exam.I need to ask this question from Load Bearing Walls topic in section Load Bearing Walls of Construction & Building Materials
Answer» The CORRECT option is (b) 30° For explanation I would say: The total SUPPORTED by a LINTEL is given by the EXPRESSION 0.44 L^2 x t x W /100. This formula is derived assuming an angle of spread of 30° and that the lintel supports a load of the shape of an equilateral triangle having side equal to L meters.

Discussion

64.	In the figure below, B represents __________(a) Beam(b) Panel wall(c) Column(d) Party wallThe question was asked during an online exam.Question is from Types of Walls topic in chapter Load Bearing Walls of Construction & Building Materials
Answer» The CORRECT option is (C) Column For explanation I would say: In the given figure, B represents a column. A column is defined as an ISOLATED load-bearing MEMBER. A represents a beam and C represents a panel wall.

Discussion

65.	The percentage opening is calculated using the formula ___________(a) (Area of the wall where there is no opening/ Area of opening) x 100(b) (Area of opening / Area of the wall where there is no opening) x 100(c) (Area of the total wall / Area of the wall where there is no opening) x 100(d) (Area of the total wall / Area of opening) x 100This question was posed to me in an online quiz.My question comes from Structural Design of Walls in chapter Load Bearing Walls of Construction & Building Materials
Answer» The correct OPTION is (b) (Area of opening / Area of the wall where there is no opening) x 100 Explanation: The percentage opening in a wall is GIVEN by (Area of opening / Area of the wall where there is no opening) x 100.The AREAS are calculated by MULTIPLYING the length and the thickness of the wall.

Discussion

66.	Which type of mortar has the lowest strength?(a) Type M(b) Type O(c) Type N(d) Type SI had been asked this question in class test.My question is taken from Load Bearing Walls topic in chapter Load Bearing Walls of Construction & Building Materials
Answer» Correct ANSWER is (b) Type O The explanation: Mortar mix is AVAILABLE in VARIOUS types viz type M, type S, type N, type O and type K. They are classified on the basis of the ratios of portland cement, lime, and sand. Out of these, type M is the STRONGEST while type O has the LOWEST strength.

Discussion

67.	Which of the following types of walls is constructed to divide the space within the building?(a) Partition wall(b) Cavity wall(c) Party wall(d) Curtain wallThe question was posed to me in semester exam.This key question is from Types of Walls topic in section Load Bearing Walls of Construction & Building Materials
Answer» The correct ANSWER is (a) Partition wall The explanation: A partition wall is defined as either load-bearing or non-load bearing internal wall whose function is to divide the space WITHIN the building so as to make the building more productive and useful. A CAVITY wall consists of two leaves. A party wall is used to separate adjacent buildings occupied by different people. A curtain wall does not CARRY any vertical loads.

Discussion

68.	Slenderness ratio is inversely proportional to __________(a) Effective height(b) Effective thickness(c) Effective length(d) Effective height and effective thicknessThe question was asked in a national level competition.My question comes from Load Bearing Walls in section Load Bearing Walls of Construction & Building Materials
Answer» The correct option is (b) EFFECTIVE thickness Explanation: SLENDERNESS ratio DEPENDS on the effective length or HEIGHT and effective thickness. It is directly proportional to the effective length or effective height, whichever is less. And, it is INVERSELY proportional to the effective thickness of the wall.

Discussion

69.	Effective length of a wall when it is supported by a buttress only at one end is __________(a) 1.5L(b) 1.0L(c) 0.5L(d) 2.0LI have been asked this question in examination.The origin of the question is Effective Length and Thickness of Wall in division Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (a) 1.5L To explain: Effective length of a WALL when it is supported by a BUTTRESS only at one end is 1.5L where L is the actual length of the wall. In this CASE, the wall is free at the other end. The SUPPORT can be provided by a cross-wall also INSTEAD of a buttress.

Discussion

70.	L is the length measured between _________ of piers.(a) Ends(b) Centers(c) Edges(d) FacesI got this question in final exam.My doubt stems from Effective Length and Thickness of Wall in chapter Load Bearing Walls of Construction & Building Materials
Answer» The correct choice is (b) Centers Easiest explanation: Actual LENGTH of a wall is DENOTED by L WHEREAS effective length is denoted by l. Actual length (L) is the length which is measured between the centers of PIERS.

Discussion

71.	Lateral support to a wall limits the slenderness and provides stability to the structure.(a) True(b) FalseI had been asked this question during an interview.Origin of the question is Load Bearing Walls in section Load Bearing Walls of Construction & Building Materials
Answer» Correct choice is (a) True To explain I would SAY: Lateral support to a wall limits the slenderness and PROVIDES stability to the STRUCTURE. A wall MAY REQUIRE lateral support either at horizontal or vertical level.

Discussion

72.	The art of drawing nomograms is called as ____________(a) Nomography(b) Nomogramy(c) Nomology(d) NomogramiologyThe question was asked by my school teacher while I was bunking the class.My question is taken from Structural Design of Walls topic in division Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (a) Nomography To EXPLAIN I would say: The art of drawing nomograms is called nomography. A NOMOGRAM is also KNOWN as a nomograph. It is a two-dimensional DIAGRAM consisting of vertical lines which is used to determine the design of a BUILDING.

Discussion

73.	The number of lines representing the thickness of a wall in a nomogram is __________(a) One(b) Two(c) Three(d) FourI got this question in an online quiz.Query is from Structural Design of Walls in portion Load Bearing Walls of Construction & Building Materials
Answer» RIGHT CHOICE is (c) THREE Easy explanation: A nomogram CONSISTS of total of nine vertical lines. Out of these 9 lines, three lines represent the thickness of a wall. These thicknesses are given for three different spans. Lines representing the thickness are line 7, 8 and 9.

Discussion

74.	Which line, starting from the left takes care of all the openings provided in the wall?(a) Line 4(b) Line 6(c) Line 7(d) Line 8The question was posed to me in a job interview.I need to ask this question from Structural Design of Walls topic in division Load Bearing Walls of Construction & Building Materials
Answer» CORRECT option is (b) Line 6 The explanation: Starting from the left, line 6 TAKES care of all the OPENINGS provided in the WALL. These openings can be provided for doors, windows, ventilators, etc.

Discussion

75.	A wall can be laterally supported at a vertical level by __________(a) Load bearing wall(b) Pier(c) Roof/Floor(d) ButtressThis question was posed to me during an interview for a job.I need to ask this question from Load Bearing Walls topic in division Load Bearing Walls of Construction & Building Materials
Answer» The correct choice is (C) Roof/Floor To elaborate: A wall can be SUPPORTED at the vertical level by floor/roof which transfers HORIZONTAL forces to CROSS walls. These cross walls further transmit these forces to the foundation and provide STABILITY to the structure.

Discussion

76.	Effective length of a wall supported by a buttress at each end is ________(a) 0.8L(b) 1.0L(c) 1.5L(d) 2.0LI have been asked this question in an interview.My enquiry is from Effective Length and Thickness of Wall topic in portion Load Bearing Walls of Construction & Building Materials
Answer» Right answer is (b) 1.0L Best explanation: EFFECTIVE LENGTH of a wall supported by a buttress at each END is 1.0L where L is the ACTUAL length of the wall. Effective length of a wall varies with the variations in the CONDITIONS of support.

Discussion

77.	Cross-wall construction is composed of internal walls which run at __________ angles to the length of the building.(a) Straight(b) Acute(c) Right(d) ObtuseThis question was posed to me during an interview for a job.My question is from Types of Walls topic in portion Load Bearing Walls of Construction & Building Materials
Answer» Right OPTION is (c) Right Easy EXPLANATION: Cross-wall construction is that form of construction which is composed of INTERNAL walls which RUN at right angles to the length of the building. The function of this composition of internal walls is to SUPPORT and carry all the loads which the building is subjected to.

Discussion

78.	A wall cannot be laterally supported at a horizontal level by __________(a) Cross wall(b) Pier(c) Roof/Floor(d) ButtressThe question was asked in class test.Enquiry is from Load Bearing Walls topic in division Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (c) Roof/Floor For EXPLANATION I WOULD say: Stresses are set up in walls by its own weight, by the weight of superimposed LOADS and by LATERAL pressure. A wall can be supported at the horizontal level by cross walls, piers or buttresses which transfer horizontal forces to the foundation.

Discussion

79.	Live loads and dead loads act in a horizontal direction.(a) True(b) FalseI got this question by my college director while I was bunking the class.My enquiry is from Load Bearing Walls topic in portion Load Bearing Walls of Construction & Building Materials
Answer» Right choice is (b) False Explanation: A BUILDING may be subjected to various TYPES of loads like LIVE loads, dead loads, SNOW loads, wind loads and earthquake loads. Live loads and dead loads act in a vertical direction.

Discussion

80.	A wall may be defined as that component of a building, whose width is _________ times its thickness.(a) Two(b) Four(c) Eight(d) SixteenThe question was asked in unit test.My query is from Types of Walls topic in portion Load Bearing Walls of Construction & Building Materials
Answer» RIGHT answer is (b) Four Easiest explanation: A wall is a vital COMPONENT of the BUILDING WHOSE function is to divide the space of the building. Generally, the width of a wall exceeds four times its thickness. There are basically two TYPES of walls – load bearing and non-load bearing walls.

Discussion

Explore topic-wise InterviewSolutions in .

Effective length of a continuous wall supported by piers is ___________(a) 0.8L(b) 1.0L(c) 1.5L(d) 2.0LThis question was posed to me in a job interview.This intriguing question comes from Effective Length and Thickness of Wall in division Load Bearing Walls of Construction & Building Materials

Effective thickness of masonry is reduced if the eccentricity ratio exceeds ___________(a) 1/2(b) 1/3(c) 1/5(d) 1/6I got this question during a job interview.Origin of the question is Effective Length and Thickness of Wall topic in section Load Bearing Walls of Construction & Building Materials

Weak mortar has __________(a) Only lime(b) Only cement(c) More cement and less lime(d) More lime and less cementThis question was addressed to me in final exam.This intriguing question originated from Load Bearing Walls topic in division Load Bearing Walls of Construction & Building Materials

A cavity wall is a wall that consists of _________ leaves.(a) Only one leaf(b) Two(c) Four(d) ZeroThis question was addressed to me in my homework.My enquiry is from Types of Walls in chapter Load Bearing Walls of Construction & Building Materials

In the figure below, B represents __________(a) Beam(b) Panel wall(c) Column(d) Party wallThe question was asked during an online exam.Question is from Types of Walls topic in chapter Load Bearing Walls of Construction & Building Materials

Which type of mortar has the lowest strength?(a) Type M(b) Type O(c) Type N(d) Type SI had been asked this question in class test.My question is taken from Load Bearing Walls topic in chapter Load Bearing Walls of Construction & Building Materials

L is the length measured between _________ of piers.(a) Ends(b) Centers(c) Edges(d) FacesI got this question in final exam.My doubt stems from Effective Length and Thickness of Wall in chapter Load Bearing Walls of Construction & Building Materials

Lateral support to a wall limits the slenderness and provides stability to the structure.(a) True(b) FalseI had been asked this question during an interview.Origin of the question is Load Bearing Walls in section Load Bearing Walls of Construction & Building Materials

The number of lines representing the thickness of a wall in a nomogram is __________(a) One(b) Two(c) Three(d) FourI got this question in an online quiz.Query is from Structural Design of Walls in portion Load Bearing Walls of Construction & Building Materials

Effective length of a wall supported by a buttress at each end is ________(a) 0.8L(b) 1.0L(c) 1.5L(d) 2.0LI have been asked this question in an interview.My enquiry is from Effective Length and Thickness of Wall topic in portion Load Bearing Walls of Construction & Building Materials

A wall cannot be laterally supported at a horizontal level by __________(a) Cross wall(b) Pier(c) Roof/Floor(d) ButtressThe question was asked in class test.Enquiry is from Load Bearing Walls topic in division Load Bearing Walls of Construction & Building Materials

Live loads and dead loads act in a horizontal direction.(a) True(b) FalseI got this question by my college director while I was bunking the class.My enquiry is from Load Bearing Walls topic in portion Load Bearing Walls of Construction & Building Materials

A wall may be defined as that component of a building, whose width is _________ times its thickness.(a) Two(b) Four(c) Eight(d) SixteenThe question was asked in unit test.My query is from Types of Walls topic in portion Load Bearing Walls of Construction & Building Materials