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GETCO Exam Paper (22-07-2015)

GETCO Exam Paper (22-07-2015)
In a thermal power plant, heat from the flue gases is recovered in

condenser
Economizer
chimney
Electric precipitator

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GETCO Exam Paper (22-07-2015)
An over-current relay of current rating 5 A and setting 150% is connected to a 200/5 A CT. Then the relay to pickup, the line current required is

200
100
150
300

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GETCO Exam Paper (22-07-2015)
Oil is mostly _____ by trucks in India

transmit
transport
transfer
deliver

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GETCO Exam Paper (22-07-2015)
The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages?

180
60
90
120

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GETCO Exam Paper (22-07-2015)
The line current in a three phase unbalanced load are Ir= 4+j6, Ib= 2-j2 and Ic= -3+j2, then zero sequence component of current will be

3 + j6
1 + j2
3 - j6
9 + j10

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GETCO Exam Paper (22-07-2015)
Slip at maximum torque depends on

stator resistance
load current
stator reactance
rotor resistance and reactance

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

at maximum torque:
S=Râ‚‚/Xâ‚‚

MORE MCQ ON GETCO Exam Paper (22-07-2015)

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