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

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

300

200

100

150

300

200

100

150

ANSWER DOWNLOAD EXAMIANS APP

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?

90

120

180

60

90

120

180

60

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

22 N-m

23.5 N-m

10 N-m

0 N-m

22 N-m

23.5 N-m

10 N-m

0 N-m

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Two watt meter method for 3 phase circuit is preferred over other methods because

it can be used for star or delta connected load

it can be used for balanced or unbalanced load

PF of the load can also be estimated

all are correct

it can be used for star or delta connected load

it can be used for balanced or unbalanced load

PF of the load can also be estimated

all are correct

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
Which of the following breaking method save energy?

plugging

regenerative breaking

resistor breaking

dynamic breaking

plugging

regenerative breaking

resistor breaking

dynamic breaking

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)
The constraints that are to be met with while solving UC problem are

Spinning reserve

Minimum down time

all are correct

Minimum up time

Spinning reserve

Minimum down time

all are correct

Minimum up time

ANSWER DOWNLOAD EXAMIANS APP

GETCO Exam Paper (22-07-2015)

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

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?

GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because

GETCO Exam Paper (22-07-2015) Which of the following breaking method save energy?

GETCO Exam Paper (22-07-2015) The constraints that are to be met with while solving UC problem are

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

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?

GETCO Exam Paper (22-07-2015)
Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm

GETCO Exam Paper (22-07-2015)
Two watt meter method for 3 phase circuit is preferred over other methods because

GETCO Exam Paper (22-07-2015)
Which of the following breaking method save energy?

GETCO Exam Paper (22-07-2015)
The constraints that are to be met with while solving UC problem are