MGVCL Exam Paper (30-07-2021 Shift 3)
A 10 A, Type C Miniature Circuit Breaker (MCB) will trip at fault currents

between 50 A and 100 A
between 10 A and 50 A
greater than 100 A
less than 10 A

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 3)
In a series RLC circuit, the supply voltage is 230 V at 50 Hz. The resonant current is 2 A at the resonant frequency of 50 Hz. Under the resonant condition, the voltage across the capacitor is measured to be equal to 460 V. What are the values of L and C?

0.53 mH and 15.83 pF
0.73 H and 13.85 pF
0.73 mH and 13.85 pF
0.53 H and 15.83 pF

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP