Polyphase Induction Motor Objective Questions & Answers - 1
Question: 1
Slip rings are usually made of
(A) aluminium
(B) phosphor bronze
(C) carbon
(D) copper
Ans: B
phosphor bronze
Question: 2
Short circuit test on an induction motor cannot be used to determine
(A) power scale of circle diagram
(B) transformation ratio
(C) copper losses
(D) windage losses
Ans: D
windage losses
Question: 3
In case of a double cage induction motor, the inner cage has
(A) high inductance and high resistance
(B) low inductance and low resistance
(C) low inductance and high resistance
(D) high inductance and low resistance
Ans: D
high inductance and low resistance
Question: 4
An induction motor is identical to
(A) synchronous motor
(B) asynchronous motor
(C) D.C. compound motor
(D) D.C. series motor
Ans: B
asynchronous motor
Question: 5
Which of the following motors has the highest power to weight ratio?
(A) universal motor
(B) induction motor
(C) capacitor motor
(D) synchronous motor
Ans: A
universal motor
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
TNPSC Group 1, 2, 4, VAO Question Bank Pdf Free Download More
1000+ ONGC Petroleum Engineering Interview Questions and Answers More
Atmosphere and Winds Questions and Answers Pdf More
Computer Awareness for Competitive Exams Pdf More
Unix/Linux Online Test More