Electrical Machines Open Circuit Short Circuit Test Online Exam Quiz
Electrical Machines Open Circuit Short Circuit Test GK Quiz. Question and Answers related to Electrical Machines Open Circuit Short Circuit Test. MCQ (Multiple Choice Questions with answers about Electrical Machines Open Circuit Short Circuit Test
A single phase transformer of 2000/200 V having rated l.v. current of 100 A has to undergo short circuit test on l.v. side. Which of the below instruments range should be used?
Options
A : 200V,10A
B : 20V, 10A
C : 300V,100A
D : 200V,50A
A single phase transformer of 2200/220 V having rated l.v. current of 150 A has to undergo open circuit test on h.v. side. Which of the below instruments range should be used?
Options
A : 6A, 200V
B : 150A, 22V
C : 60A, 220V
D : 6A, 20V
Transformers with high leakage impedance is used in ___________
Options
A : arc welding
B : power distribution
C : power generating terminals
D : none of the mentioned
Which of the below estimations require results of both open circuit test and short circuit test?
Options
A : Efficiency
B : Equivalent impedance of one side of the winding
C : Voltage regulation for exact circuit
D : All of the mentioned
To conduct the open circuit test, test is conducted on the _____________
Options
A : l.v. side
B : h.v. side
C : primary
D : secondary
To conduct the short circuit test, test is conducted on the ___________
Options
A : l.v. side
B : h.v. side
C : primary
D : secondary
Power required during the open circuit and short circuit test is?
Options
A : losses incurring in the transformer
B : executing the power requirements by measuring instruments
C : power for the core losses only
D : all of the mentioned
A single phase transformer of 2200/220 V having rated l.v. current of 150 A has to undergo open circuit test on h.v side. The instruments used are voltmeter of 200V and ammeter of 1A. Then the results ___________
Options
A : will be wrong
B : will be accurate
C : of ammeter will burn
D : none of the mentioned
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