25 + Interview Questions in Computer Application In Electrical Machine Design in Design Of Electrical Machines Page 1 InterviewSolution

1.	What is the symbol used for the width of the ventilating duct?(a) Wv(b) Nw(c) Wvd(d) WvdsThe question was posed to me in homework.My question is from Design of Dc Motor & Synchronous Machine in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» CORRECT choice is (b) Nw To explain I WOULD say: Computer AIDED design in one of the design algorithms made use of to design various devices. The symbol used for width of the ventilating ducts is Nw.

Discussion

2.	What is the number of design steps involved in the stator?(a) 6(b) 7(c) 8(d) 9This question was addressed to me by my school principal while I was bunking the class.Origin of the question is Design of Dc Motor & Synchronous Machine in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The correct choice is (b) 7 Explanation: There are 8 design data involved in the design of synchronous machine USING CAD. There are 7 steps in the flowchart of the STATOR design in the CAD design of synchronous machine.

Discussion

3.	What is the symbol used for the armature mmf per pole?(a) AT(b) ATM(c) Amp(d) ATaThis question was posed to me by my college director while I was bunking the class.My question is based upon Design of Dc Motor & Synchronous Machine in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The correct option is (d) ATa Easy explanation: Computer aided DESIGN in ONE of the design algorithms made use of to design various devices. The symbol used for the armature MMF PER POLE is Ata.

Discussion

4.	What is the number of design steps involved in the number of slots?(a) 4(b) 5(c) 6(d) 7The question was asked by my college director while I was bunking the class.My enquiry is from Design of Dc Motor & Synchronous Machine in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct choice is (c) 6 To explain I would say: There are 8 DESIGN data involved in the design of synchronous machine using CAD. There are 6 steps in the flowchart of the NUMBER of slots in the CAD design of synchronous machine.

Discussion

5.	What is the number of design steps involved in the length of air gap?(a) 7(b) 8(c) 9(d) 10The question was posed to me in a national level competition.The query is from Design of Dc Motor & Synchronous Machine topic in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Right ANSWER is (d) 10 The best I can EXPLAIN: There are 8 design DATA involved in the design of synchronous machine using CAD. There are 10 steps in the FLOWCHART of the LENGTH of air gap in the CAD design of synchronous machine.

Discussion

6.	How many design steps are involved in the design of main dimensions of synchronous machine?(a) 10(b) 9(c) 7(d) 8I had been asked this question during an internship interview.The above asked question is from Design of Dc Motor & Synchronous Machine in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» CORRECT choice is (a) 10 Easy explanation: There are 10 steps in the flowchart of design of the MAIN DIMENSIONS of SYNCHRONOUS machines. There are 8 design DATA in the design of the synchronous machine using CAD.

Discussion

7.	What is the symbol used for the pitch of commutator segments in the dc motor?(a) Pc(b) Pcs(c) BETAc(d) RetThis question was posed to me in an interview.My question is based upon Design of Dc Motor & Synchronous Machine topic in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct answer is (C) BETAC Explanation: Computer aided design in one of the design algorithms made use of to design VARIOUS devices. The symbol USED for pitch of commutator segments is BETAc.

Discussion

8.	What is the symbol used for the total mmf required for the teeth?(a) AT(b) ATt(c) Tm(d) TmtI had been asked this question by my school teacher while I was bunking the class.This interesting question is from Design of Dc Motor & Synchronous Machine topic in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The correct choice is (b) ATt The best I can explain: Computer AIDED DESIGN in ONE of the design algorithms made USE of to design various devices. The symbol USED for total mmf required for the teeth is ATt.

Discussion

9.	What is the symbol used for the flux density produced in the pole body of dc motor design?(a) fp(b) fdp(c) fyp(d) fypdI got this question in examination.My question is from Design of Dc Motor & Synchronous Machine in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The CORRECT answer is (c) fyp Explanation: Computer aided design in one of the design algorithms made use of to design various devices. The symbol used for FLUX density PRODUCED in the pole body of DC motor design is fyp.

Discussion

10.	What is the symbol used for the terminal voltage in dc motor design?(a) V(b) Vs(c) Vt(d) TvI have been asked this question in an online quiz.This intriguing question comes from Design of Dc Motor & Synchronous Machine in division Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Right answer is (c) Vt The explanation: COMPUTER aided design is ONE of the design algorithms MADE use of in the design of various machines. The symbol used for the TERMINAL VOLTAGE is Vt.

Discussion

11.	What is the symbol used for the slot per pole arc in dc motor design?(a) sppa(b) spa(c) ssa(d) spI have been asked this question by my school teacher while I was bunking the class.Query is from Design of Dc Motor & Synchronous Machine topic in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» RIGHT option is (b) SPA To ELABORATE: Computer aided design in one of the design algorithms made use of to design various devices. The symbol used for slot per pole arc in DC motor design is spa.

Discussion

12.	What is the symbol used for the resistance referred to HV winding?(a) RR(b) RRw(c) RRp(d) RRhwThis question was addressed to me during an online exam.Enquiry is from Computer Aided Design & Computer Aided Design of Transformers topic in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Right answer is (c) RRP To explain: COMPUTER aided design in ONE of the design algorithms MADE use of to design various devices. The symbol used for resistance referred to the HV winding in computer aided design is RRp.

Discussion

13.	How many design factors are involved in the CAD design of DC motors?(a) 5(b) 6(c) 7(d) 4The question was asked in an interview.My question is from Design of Dc Motor & Synchronous Machine in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct choice is (b) 6 Easiest explanation: There are 6 types of DESIGN factors involved in the CAD design of DC motors. They are main dimension, armature winding, design of FIELD winding, design of COMMUTATOR, design of interpoles, LOSSES and EFFICIENCY.

Discussion

14.	What is the symbol used for the number of turns in the secondary winding?(a) T(b) Tsw(c) Ts(d) TwsThis question was posed to me during a job interview.I need to ask this question from Computer Aided Design & Computer Aided Design of Transformers in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» RIGHT choice is (c) Ts The best I can EXPLAIN: Computer aided design in one of the design algorithms made USE of to design various devices. The symbol USED for number of TURNS in secondary winding in computer aided design is Ts.

Discussion

15.	What is the symbol used for the mean diameter of the HV/LV winding?(a) Dm(b) Dmp(c) Dms(d) Dmp/DmsThe question was asked in my homework.The doubt is from Computer Aided Design & Computer Aided Design of Transformers in division Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» RIGHT choice is (d) Dmp/Dms The explanation: COMPUTER AIDED design in one of the design algorithms made use of to design various DEVICES. The symbol used for mean diameter of the HV/LV winding in computer aided design is Dmp/Dms.

Discussion

16.	What is the symbol used for the maximum flux density in computer aided designing?(a) Bm(b) Bf(c) Bfd(d) BmfThis question was addressed to me in quiz.This is a very interesting question from Computer Aided Design & Computer Aided Design of Transformers topic in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» CORRECT answer is (a) Bm The best EXPLANATION: Computer aided design in one of the design ALGORITHMS made use of to design various devices. The symbol used for MAXIMUM flux density in computer aided design is Bm.

Discussion

17.	How many transformers are considered in the power system?(a) 2(b) 3(c) 4(d) 5This question was posed to me during an online exam.This intriguing question originated from Computer Aided Design & Computer Aided Design of Transformers in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct OPTION is (a) 2 For explanation I would say: There are 2 TYPES of transformers USED in the POWER system. They are power transformer and DISTRIBUTION transformer.

Discussion

18.	How many design procedures are present in the design of transformers?(a) 10(b) 9(c) 11(d) 8This question was posed to me in an interview for job.My doubt stems from Computer Aided Design & Computer Aided Design of Transformers in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct choice is (c) 11 To explain: There are 11 design steps present in the computer aided design of transformers. They are core design, window DIMENSION design, yoke design, overall design, low voltage winding design, high voltage winding design, resistance calculation, leakage REACTANCE calculation, loss calculation, efficiency calculation, no LOAD current calculation.

Discussion

19.	What is the hybrid method of computer aided design?(a) advanced analysis method(b) advanced synthesis method(c) combination of advanced and synthesis method(d) different methodThis question was addressed to me during an interview.My doubt stems from Computer Aided Design & Computer Aided Design of Transformers topic in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The correct option is (C) combination of advanced and SYNTHESIS method The best I can explain: They hybrid method is one of the 4 DIFFERENT APPROACHES in the computer AIDED design. The hybrid method is the combination of advanced and synthesis method.

Discussion

20.	It is fairly easy to program and to use and understand the analysis method.(a) True(b) FalseThis question was addressed to me in a national level competition.Question is from Computer Aided Design & Computer Aided Design of Transformers topic in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Correct choice is (a) True The EXPLANATION: Out of the 4 different approaches, ANALYSIS method is ONE commonly used METHODOLOGY. It is fairly easy to PROGRAM and to use and understand the analysis method.

Discussion

21.	What happens in the synthesis method?(a) The computer takes its own values(b) Desired performance is given as input to the computer(c) Logical instructions are incorporated in the program(d) Desired performance is given as input along with the logical instruction being incorporated in the programI had been asked this question in unit test.My enquiry is from Computer Aided Design & Computer Aided Design of Transformers in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer»

Discussion

22.	What is the concept of analysis method?(a) the choice of dimension alone is made by designer and provided to computer(b) the choice of dimension and materials are made by designer and provided to computer(c) the choice of dimension, materials and types of construction are made by designer and provided to computer(d) the choice of types of construction are made by designer and provided to computerI had been asked this question in homework.The doubt is from Computer Aided Design & Computer Aided Design of Transformers in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The CORRECT CHOICE is (c) the choice of dimension, materials and types of construction are MADE by designer and provided to computer Easiest explanation: The analysis method is one of the 2 COMMONLY accepted approaches. The choice of dimension, materials, and types of construction are made by designer and provided to computer.

Discussion

23.	How many different approaches are present in the computer aided design?(a) 2(b) 3(c) 4(d) 5I had been asked this question in homework.This interesting question is from Computer Aided Design & Computer Aided Design of Transformers topic in section Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» The correct choice is (c) 4 The best I can explain: There are 4 TYPES of different APPROACHES present in the COMPUTER AIDED design. They are analysis method, synthesis method, hybrid method, optimisation method.

Discussion

24.	How many commonly accepted papers are present in the machine design?(a) 3(b) 2(c) 4(d) 5I had been asked this question in an interview for job.This interesting question is from Computer Aided Design & Computer Aided Design of Transformers topic in portion Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Right choice is (b) 2 To elaborate: There are 2 COMMONLY ACCEPTED papers DEVISED by Heroz et al. They are analytic method and SYNTHESIS method.

Discussion

25.	When was the computer aided design introduced and who was the founder?(a) 1950, Heroz(b) 1959, Heroz(c) 1959, Veinott(d) 1956, VeinottThe question was asked in semester exam.My doubt is from Computer Aided Design & Computer Aided Design of Transformers topic in chapter Computer Application in Electrical Machine Design of Design of Electrical Machines
Answer» Right OPTION is (b) 1959, HEROZ To explain I would say: The commonly accepted papers to machine design were introduced in the year 1959. It was DEVISED by the author Heroz ET al.

Discussion

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What is the symbol used for the width of the ventilating duct?(a) Wv(b) Nw(c) Wvd(d) WvdsThe question was posed to me in homework.My question is from Design of Dc Motor & Synchronous Machine in portion Computer Application in Electrical Machine Design of Design of Electrical Machines

How many design factors are involved in the CAD design of DC motors?(a) 5(b) 6(c) 7(d) 4The question was asked in an interview.My question is from Design of Dc Motor & Synchronous Machine in portion Computer Application in Electrical Machine Design of Design of Electrical Machines