MCQOPTIONS
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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 | |