Explore topic-wise MCQs in Thermal Engineering.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Thermal Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Internal combustion engine works based on rotary mechanism is __________

A. Petrol engine
B. Jet engine
C. Diesel engine
D. Gas engine
Answer» C. Diesel engine
2.

What material is used to manufacture bearing?

A. Cast iron
B. Aluminum alloy
C. White metal
D. Silicon
Answer» D. Silicon
3.

Which of the following heat engine part is manufactured by method of forging?

A. Crankcase
B. Bearing
C. Crankshaft
D. Piston rings
Answer» D. Piston rings
4.

Theoretically the efficiency of ideal otto cycle is equal to ___________

A. Diesel cycle
B. Brayton cycle
C. Dual cycle
D. Stirling cycle
Answer» C. Dual cycle
5.

The earliest internal combustion engine is credited to ___________

A. Frenchman Lenior
B. Brayton
C. Atkinson
D. Christian Huygens
Answer» E.
6.

What are the principal uses of gas engine?

A. Missiles and aircraft
B. Electrical power and aircraft
C. Industrial and electrical power
D. Marine and locomotive
Answer» D. Marine and locomotive
7.

Which of the following is not principal use of Stirling engine?

A. Locomotive
B. Power in space
C. Experimental
D. Vehicles
Answer» B. Power in space
8.

Which of the following engine works on rotary mechanism?

A. Steam engine
B. Steam turbine
C. Stirling engine
D. Diesel engine
Answer» C. Stirling engine
9.

The thermal energy transformed by heat engine is used to produce _________

A. Thermal work
B. Electrical work
C. Laser action
D. Mechanical work
Answer» E.
10.

Which of the following internal combustion engine have reciprocating mechanism?

A. Wankel engine
B. Jet engine
C. Rocket
D. Diesel engine
Answer» E.
11.

Which of the following is not an external combustion engine?

A. Steam engine
B. Steam turbine
C. Wankel engine
D. Stirling engine
Answer» D. Stirling engine
12.

A heat engine is a device which transforms the _________ of a fuel into thermal energy.

A. Electrical energy
B. Chemical energy
C. Mechanical energy
D. Solar Energy
Answer» C. Mechanical energy