Subject Repository
Electrical Engineering Mcqs
Showing 381 – 400 of 3,699 verified multiple choice questions with answers and explanations.
Q381NTS / FPSC / PPSC
Which of the following types of motor enclosure is safest ?
Q382NTS / FPSC / PPSC
The diameter of the rotor shaft for an electric motor depends on which of the following ?
Q383NTS / FPSC / PPSC
In series motor which of the following methods can be used for changing the flux per pole ?
Q384NTS / FPSC / PPSC
For which of the following applications motor has to start with high acceleration ?
Q385NTS / FPSC / PPSC
Which of the following happens when star-delta starter is used ?
Q386NTS / FPSC / PPSC
Which of the following motors is preferred when smooth and precise speed control over a wide range is desired ?
Q387NTS / FPSC / PPSC
Which of the following motors is preferred for boom hoist of a travelling crane ?
Q388NTS / FPSC / PPSC
The capacity of a crane is expressed in terms of_______________?
Q389NTS / FPSC / PPSC
Which of the following motors is preferred when quick speed reversal is the main consideration ?
Q390NTS / FPSC / PPSC
A pony motor is used for the starting which of the following motors ?
Q391NTS / FPSC / PPSC
Besides a constant speed a synchronous rotor possesses which of the following advantages ?
Q392NTS / FPSC / PPSC
For crane travel which of the following motors is normally used ?
Q393NTS / FPSC / PPSC
The characteristics of drive for crane hoisting and lowering are which of the following ?
Q394NTS / FPSC / PPSC
A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is____________________?
Q395NTS / FPSC / PPSC
By the use of which of the following m D.C. can be obtained from AC. ?
Q397NTS / FPSC / PPSC
In ______________ the speed can be varied by changing the position of brushes?
Q398NTS / FPSC / PPSC