Open Circuit and Short Test - Free MCQ Practice with solutions, GATE EE
MCQ Practice Test & Solutions: Test: Open Circuit and Short Circuit Test (10 Questions)
You can prepare effectively for Electrical Engineering (EE) Electrical Machines for Electrical Engg. with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Open Circuit and Short Circuit Test". These 10 questions have been designed by the experts with the latest curriculum of Electrical Engineering (EE) 2026, to help you master the concept.
Test Highlights:
- - Format: Multiple Choice Questions (MCQ)
- - Duration: 15 minutes
- - Number of Questions: 10
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Which of the following informations are not obtained from short-circuit test?
I. Ohmic losses at rated current
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation
Detailed Solution: Question 1
Which of the following conditions have to ensured for a open-circuit test?
A. Performed on L.V side
B. Leakage impedance can be obtained
C. It is performed at rated voltage
D. It gives magnetizing impedance
B. Leakage impedance can be obtained
C. It is performed at rated voltage
D. It gives magnetizing impedance
Detailed Solution: Question 2
Which of the following conditions have to ensured for a short-circuit test?
A. h.v. winding is short-circuited
B. It helps in calculation of voltage regulation
C. It is performed at rated voltage
D. l.v. winding is short-circuited
B. It helps in calculation of voltage regulation
C. It is performed at rated voltage
D. l.v. winding is short-circuited
Detailed Solution: Question 3
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 ___________
Detailed Solution: Question 4
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?
Detailed Solution: Question 5
To conduct the open circuit test, test is conducted on the _____________
Detailed Solution: Question 6
Which of the following informations are obtained from short-circuit test?
I. Ohmic losses at rated current
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation
II. Equivalent resistance and leakage reactance
III. Core losses
IV. Voltage regulation
Detailed Solution: Question 7
The open circuit test results in finding which of the following parameters?
I. core losses
II. shunt branch parameters
III. turns ratio of transformer
II. shunt branch parameters
III. turns ratio of transformer
Detailed Solution: Question 8
Which of the following conditions have to ensured for a open-circuit test?
A. Performed on L.V side
B. Leakage impedance can be obtained
C. It is performed at 10-12% of rated voltage
D. It gives magnetizing impedance
B. Leakage impedance can be obtained
C. It is performed at 10-12% of rated voltage
D. It gives magnetizing impedance
Detailed Solution: Question 9
Transformers with high leakage impedance is used in ___________
Detailed Solution: Question 10
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