1000+ DC Motor Quiz Questions and Answers Pdf - 1
Question: 1
In a D.C. motor constant torque is produced due to
(A) rotor laminations
(B) commutator
(C) pole shoes
(D) end plates
Ans: B
commutator
Question: 2
Which loss in a D.C. generator does not vary with load as well as flux density?
(A) windage loss
(B) hysteresis loss
(C) eddy current loss
(D) copper loss
Ans: A
windage loss
Question: 3
The speed of a D.C. shunt motor can be increased by
(A) reducing the resistance in the armature circuit
(B) reducing the resistance in the field circuit
(C) increasing the resistance in armature circuit
(D) increasing the resistance in field circuit
Ans: D
increasing the resistance in field circuit
Question: 4
Which of the following motors one will choose to drive the rotary compressor?
(A) Synchronous motor
(B) Universal motor
(C) D.C. series motor
(D) D.C. shunt motor
Ans: A
Synchronous motor
Question: 5
The speed of a D.C. series motor is
(A) inversely proportional to the armature current
(B) proportional to field current
(C) proportional to the square of the armature current
(D) proportional to the armature current
Ans: A
inversely proportional to the armature current
GATE Chemical Engineering Questions and Answers More
GATE 2024-2025 Question Paper Pdf Download More
Banking Awareness Questions 2024-2025 More
Computer Quiz Questions for Bank Exams More
Computer Quiz Questions for Bank Exams More
1000+ Petroleum Engineering Offshore Drilling and Production Questions More
1,000+ Reasoning Questions and Answers for Bank Exams More
1000+ Puzzles with Answers More
1000+ Asp.Net Multiple Choice Questions with Answers Pdf More
Top 100+ Computer Security Multiple Choice Questions & Answers More