MGVCL Exam Paper (30-07-2021 Shift 2)
A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power factor.

0.82
0.62
0.72
0.52

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
Which of the following is true regarding access lists applied to an interface?

You can apply two access lists to any interface
One access list may be configured, per direction, for each layer 3 protocol configured on an interface
You can place as many access lists as you want on any interface until you run out of memory.
You can apply only one access list on any interface

ANSWER DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
A 50 Hz synchronous generator is connected to an infinite bus through a line. The p.u. reactances of generator and the line are j0.3 p.u. and j0.2 p.u. respectively. The generator no load voltage is 1.1 p.u. and that of infinite bus is 1.0 p.u. The inertia constant of the generator is 4 MW-sec/MVA. Determine the frequency of natural oscillations if the generator is loaded to 60% of its maximum power transfer capacity and small perturbation in power is given.

1.62 Hz
1.32 Hz
1.52 Hz
1.42 Hz

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

MGVCL Exam Paper (30-07-2021 Shift 2)
Which one of these is not a monitoring and diagnostic test for transformer oil?

Furanic Compound Analysis
Volatility Level Analysis
Dissolved Metals Analysis
Dissolved Gas Analysis

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP