Industrial Drivers - Study Mode
[#51] Light duty cranes are used in which of the following?
Correct Answer
(D) All of the above
[#52] The diameter of the rotor shaft for an electric motor depends on which of the following?
Correct Answer
(C) Horse power and r.p.m.
[#53] In case of __________ speed control by injecting e.m.f. in the rotor circuit is possible,
Correct Answer
(D) Slip ring induction motor
[#54] Which of the following motors is preferred when smooth and precise speed control over a wide range is desired?
Correct Answer
(A) D.C. motor
[#55] The selection of an electric motor for any application depends on which of the following factors?
Correct Answer
(D) All of the above