Diesel Engine and Gas Turbine Power Plants MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Diesel Engine and Gas Turbine Power Plants, a fundamental topic in the field of Power Plant Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Diesel Engine and Gas Turbine Power Plants MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Diesel Engine and Gas Turbine Power Plants mcq questions that explore various aspects of Diesel Engine and Gas Turbine Power Plants problems. Each MCQ is crafted to challenge your understanding of Diesel Engine and Gas Turbine Power Plants principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Power Plant Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Diesel Engine and Gas Turbine Power Plants MCQs are your pathway to success in mastering this essential Power Plant Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Diesel Engine and Gas Turbine Power Plants. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Diesel Engine and Gas Turbine Power Plants knowledge to the test? Let's get started with our carefully curated MCQs!

Diesel Engine and Gas Turbine Power Plants MCQs | Page 4 of 5

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Q31.
Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of __________

a.

pallets

b.

plates

c.

pins

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
Q32.
A higher compression ratio causes __________

a.

increase in detonation

b.

pre-ignition

c.

an acceleration in the rate of combustion

d.

any one of the mentioned

Discuss
Answer: (d).any one of the mentioned
Q33.
Which one of the following event would reduce volumetric efficiency of a vertical compression ignition engine?

a.

inlet valve closing before bottom dead centre

b.

inlet valve closing after bottom dead centre

c.

inlet valve opening before top dead centre

d.

exhaust valve closing after top dead centre

Discuss
Answer: (a).inlet valve closing before bottom dead centre
Q34.
A fuel of cetane number 40 has the same ignition quality as a mixture of __________

a.

40% alpha methyl napthalene and 60% cetane

b.

40% cetane and 60% alpha methyl napthalene

c.

40% petrol and 60% diesel

d.

40% diesel and 60% petrol

Discuss
Answer: (b).40% cetane and 60% alpha methyl napthalene
Q35.
The control rods in the control system of nuclear reactors are used to __________

a.

control fuel consumption

b.

absorb excess neutrons

c.

control temperature

d.

all of the mentioned

Discuss
Answer: (b).absorb excess neutrons
Q36.
The pressure at the end of compression, in petrol engines, is approximately __________

a.

10 bar

b.

20 bar

c.

25 bar

d.

35 bar

Discuss
Answer: (a).10 bar
Q37.
If the speed of the engine is increased, the indicated power will __________

a.

increase

b.

decrease

c.

remain same

d.

none of the mentioned

Discuss
Answer: (a).increase
Q38.
In order to eliminate knocking in compression ignition engines, there should be __________

a.

high self-ignition temperature of fuel

b.

late auto-ignition

c.

short delay period

d.

low compression ratio

Discuss
Answer: (c).short delay period
Q39.
Which of the following statement is correct?

a.

Compression ratio for petrol engines varies from 6 to 10

b.

Petrol engines work on Otto cycle

c.

Higher compression ratio in diesel engines results in higher pressures

d.

All of the mentioned

Discuss
Answer: (d).All of the mentioned
Q40.
The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to __________

a.

inject fuel at a high velocity to facilitate atomisation

b.

inject fuel in a chamber of high pressure at the end of compression stroke

c.

ensure that penetration is not high

d.

all of the mentioned

Discuss
Answer: (d).all of the mentioned
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