Power Plant Engineering (2171910) MCQs

MCQs of Gas Turbine

Showing 1 to 10 out of 52 Questions
1 2 3 4 5 6
1.

What is the air standard cycle for a gas turbine called?

(a)

Reheat cycle
(b)

Rankine cycle
(c)

Brayton cycle
(d)

Diesel cycle
Answer:

Option (c)

2.

What are the major field of application of gas turbine?

(a)

Aviation
(b)

Oil and gas industry
(c)

Marine propulsion
(d)

All of the mentioned
Answer:

Option (d)

3.

Gas turbine plants are not used 

(a)

as peak load plants
(b)

as base load plants
(c)

as standby power plants
(d)

in combination with the steam power plants
Answer:

Option (b)

4.

Which of the following is the limitation of gas turbines?

(a)

They are not self-starting
(b)

Higher rotor speeds
(c)

Low efficiencies at part loads
(d)

All of the mentioned
Answer:

Option (d)

5.

What is the difference between a Rankine cycle & a Brayton cycle?

(a)

Working fluid in a Brayton cycle undergoes phase change while it doesn’t in Rankine cycle
(b)

Working fluid in a Brayton cycle doesn’t undergo phase change while it does in Rankine cycle
(c)

Both are same
(d)

None of the mentioned
Answer:

Option (b)

6.

A gas turbine is which type of combustion plant?

(a)

External
(b)

Open
(c)

Internal
(d)

Cannot say
Answer:

Option (c)

7.

 Which among these is the main component of a gas turbine plant?

(a)

Condenser
(b)

Compressor
(c)

Boiler
(d)

Both compressor & boiler
Answer:

Option (b)

8.

The compressor has to be started _____________.

(a)

before starting the gas turbine
(b)

after starting the gas turbine
(c)

simultaneously with starting of gas turbine
(d)

at any time during the operation
Answer:

Option (a)

9.

What % of power developed is utilized for driving the compressor?

(a)

70%
(b)

55%
(c)

80%
(d)

65%
Answer:

Option (d)

10.

The maximum temperature in a gas turbine is

(a)

200°C
(b)

500°C
(c)

700°C
(d)

1000°C
Answer:

Option (c)

Showing 1 to 10 out of 52 Questions
1 2 3 4 5 6