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A 6 pole induction motor is connected to a 50 C/S supply. It 15 running at 970 rev/min.
What is the percentage slip ?

(A) 3% ൫ 4% ര 5% (2) 6%

When motor is fed with reduced voltage, the motor draws excess current to drive the load.
When a motor is fed with an over vollage, how much current will the motor draw ?

(A) Low current (ए) Normal current (C) Excess current (D) Zero current

Which is the correct method to change the direction of rotation of a permanent capacitor
motor ?

(ಗಿ) By interchanging the supply terminals.
(ए) By interchanging auxiliary winding terminals.
[0 By interchanging capacitor terminals.

(D) By interchanging the rator pasition.

What will happen to the universal motor when it is started without load ?
(ಗಿ) It will not run (ए) Run with very low speed

(0) Run with very high speed (D) Run with normal speed

One of the main specifications of ceiling fan is sweep size. What does the sweep size represent
in ceiling fan ?

(A) Length of each blade

(ए) Twice the length of one blade

)© The size of the fan housing

(D) Two times of the radius of the performed by the blade circle

Which type of single phase motor has very high starting torque ?
(A) Permanent capacitor type (18) Double capacitor motor

(C) Universal motor (D) Capacitor start induction run motor

Which part of the PMMC instrument produces eddy current damping ?

(வி Moving coil (8) Aluminium former
(2) Permanent magnet (D) Soft णो cyh’nd——-|m'nj பாட
7 205/2014

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