Stability of power system can be improved by<br/>1. Reducing voltage of transmission<br/>2. Using parallel transmission lines<br/>3. Using series compensators<br/>Which of the above statements are correct?

MGVCL Exam Paper (30-07-2021 Shift 1)
Stability of power system can be improved by
1. Reducing voltage of transmission
2. Using parallel transmission lines
3. Using series compensators
Which of the above statements are correct?

2 and 3 only

All 1, 2 and 3

1 and 3 only

1 and 2 only

2 and 3 only

All 1, 2 and 3

1 and 3 only

1 and 2 only

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MGVCL Exam Paper (30-07-2021 Shift 1)
Rearrange the following to form a meaningful sentence and find the most logical order from the given options.

P: 60 countries using dance as a tool for
Q: building social cohesion and resolving
R: conflict throughout the world
S: battery Dance has travelled far and wide across

PQSR

SPRQ

SPQR

PQRS

PQSR

SPRQ

SPQR

PQRS

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MGVCL Exam Paper (30-07-2021 Shift 1)
The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

4%, 1455 rpm

4%, 1440 rpm

3%, 1440 rpm

3%, 1455 rpm

4%, 1455 rpm

4%, 1440 rpm

3%, 1440 rpm

3%, 1455 rpm

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MGVCL Exam Paper (30-07-2021 Shift 1)
Consider the following two statements and choose the correct answer.
Statement 1: The V-curves of a synchronous motor show relationship between armature current and supply voltage.
Statement 2: The plot of power factor against the field current of synchronous motor is known as inverted V curves.

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

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

Statement 1 is FALSE and Statement 2 is TRUE

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MGVCL Exam Paper (30-07-2021 Shift 1)
A THHN conductor will have 75°C termination on one end and a 60/75°C termination on the other, which ampacity column will be used?

None of these

75°C column

90°C column

60°C column

None of these

75°C column

90°C column

60°C column

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MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?

D1 ON, D2 OFF, D3 ON

D1 ON, D2 OFF, D3 OFF

D1 OFF, D2 ON, D3 ON

D1 OFF, D2 ON, D3 OFF

D1 ON, D2 OFF, D3 ON

D1 ON, D2 OFF, D3 OFF

D1 OFF, D2 ON, D3 ON

D1 OFF, D2 ON, D3 OFF

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MGVCL Exam Paper (30-07-2021 Shift 1)

MGVCL Exam Paper (30-07-2021 Shift 1) Stability of power system can be improved by1. Reducing voltage of transmission2. Using parallel transmission lines3. Using series compensatorsWhich of the above statements are correct?

MGVCL Exam Paper (30-07-2021 Shift 1) The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

MGVCL Exam Paper (30-07-2021 Shift 1) A THHN conductor will have 75°C termination on one end and a 60/75°C termination on the other, which ampacity column will be used?

MGVCL Exam Paper (30-07-2021 Shift 1) What are the states of the three ideal diodes of the circuit shown in figure ?

MGVCL Exam Paper (30-07-2021 Shift 1)
Stability of power system can be improved by
1. Reducing voltage of transmission
2. Using parallel transmission lines
3. Using series compensators
Which of the above statements are correct?

MGVCL Exam Paper (30-07-2021 Shift 1)
The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running?

MGVCL Exam Paper (30-07-2021 Shift 1)
A THHN conductor will have 75°C termination on one end and a 60/75°C termination on the other, which ampacity column will be used?

MGVCL Exam Paper (30-07-2021 Shift 1)
What are the states of the three ideal diodes of the circuit shown in figure ?