MGVCL Exam Paper (30-07-2021 Shift 3)
Consider the following statements and choose the correct option.
Statement 1: The speed regulation of a synchronous motor is always unity.
Statement 2: In a synchronous motor, at no-load condition, and with normal excitation the armature current drawn by a synchronous motor is in phase with applied voltage.

Statement 1 is FALSE and Statement 2 is TRUE
Statement 1 is TRUE and Statement 2 is FALSE
Both Statement 1 and Statement 2 are TRUE
Both Statement 1 and Statement 2 are FALSE

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MGVCL Exam Paper (30-07-2021 Shift 3)
Continuous and rapid variations in the load current magnitude which causes voltage variations is known as

Harmonics
Flicker
Voltage sag
Voltage distortion

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MGVCL Exam Paper (30-07-2021 Shift 3)
The purpose of ____ is to check the ability of the circuit breaker to withstand the overvoltages at power frequency as well as undesired value of voltage during lightning and other discharge phenomenon.

synthetic test
routine test
short circuit test
dielectric test

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MGVCL Exam Paper (30-07-2021 Shift 3)
Medium voltage covered conductors (MVCC) are produced in voltage rating

beyond 200 kV
between 132 kV to 200 kV
less than 3.3 kV
between 6.6 kV to 33 kV

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