36.

38.

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45.

The current carried by the damper winding under normal running condition is :
(ಸ) Zero (B) பன்‌ (ಲ) பன (12) Medium

For an alternator the power factor is determined by its :
(A) Speed (B) Primemover (C) Excitation (2) 1080

In a synchronous motor the maximum value of torque angle is :
(ಗಿ) < 90" electrical (ह) 0° electrical (^) > 90° electrical (D) 90° electrical

The detent torque in a stepper motor is the >

(ಗ) minimum of the static torque with the phase winding excited

(8) maximum of the static torque with the phase winding over excited
(©) minimum of the stalic torque with the phase winding under excited
(D} maximum of the static torque with the phase winding unexcited

A synchronous generator is feeding a zero power factor (lagging) load at rated current. The
armature reaction is :

(A) magnetizing (11) demagnetizing

(C) எண - magnetizing (D) 17011000೫0

Negative sequence relay is commonly used to protect :
(2) a transformer (18) a transmission line
(C) a bus bar (D) an alternator

In a transmission line having a sending end voltage V, for a fixed value ‏أن‎ complex power
flow the real loss will be proportional to :

1 I
7 2 ആ ke ಎ
(ಗ) ೪ ® ೪ @ 1) 2
The short, medium and long transmission lines is primarily based on the concept of :
(A) physical length of the line (8) wavelength of the line
(0 nominal voltage of the line (D) power transmitted over the line

In load flow analysis, the load connected at a bus is represented as :
(வி) Constant current drawn from the bus

{B) Constant real and reactive power drawn from the bus

(C) Constant impedance connected at the bus

(12) Valtage and frequency dependent source at the bus

In the thermal power plants, the pressure in the working fluid cycle is developed by :

(ക) turbine (18) super heater
(C) feed water pump (D) condenser
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