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Car Driving Test 13

Introduction to Engine , Concept of Heat Engine Class Test

Welcome to your Introduction to Engine , Concept of Heat Engine Class Test Hope you understand the class & now it's time to examine yourself through test. Remember you have only 10 minutes to complete the class test ,after 10 minutes Class test will be automatically submit.इंजन से परिचय, ऊष्मा इंजन की अवधारणा क्लास टेस्ट में आपका स्वागत है। आशा है कि आप क्लास को समझ गए होंगे और अब टेस्ट के माध्यम से खुद को परखने का समय आ गया है। याद रखें कि आपके पास क्लास टेस्ट पूरा करने के लिए केवल 10 मिनट हैं, 10 मिनट के बाद क्लास टेस्ट अपने आप सबमिट हो जाएगा।

1 / 30

1. Which of the following is not a type of internal combustion engine?

Petrol engine

Diesel engine

Steam engine

Gas engine

2 / 30

2. The engine in which combustion takes place inside the cylinder is called:

External combustion engine

Internal combustion engine

Reciprocating engine

Rotary engine

3 / 30

3. Which stroke is responsible for producing power in a 4-stroke engine?

Intake

Compression

Power

Exhaust

4 / 30

4. The basic function of an engine is to:

Generate electricity

Convert chemical energy into mechanical energy

Burn fuel only

Produce sound

5 / 30

5. In a petrol engine, ignition is done by:

Compression

Spark plug

Glow plug

Pressure

6 / 30

6. Diesel engines use what method for ignition?

Spark plug

Auto ignition

External flame

Carburetion

7 / 30

7. Which engine component converts reciprocating motion into rotary motion?

Piston

Crankshaft

Connecting rod

Camshaft

8 / 30

8. The number of power strokes per crankshaft revolution in a 4-stroke engine is:

0.5

9 / 30

9. A 2-stroke engine completes a power cycle in:

1 revolution

2 revolutions

3 revolutions

4 revolutions

10 / 30

10. Which of the following engines is more fuel efficient?

Petrol engine

Diesel engine

Steam engine

Gas engine

11 / 30

11. A heat engine operates on the principle of:

Newton’s law

Conservation of momentum

First law of thermodynamics

Ohm’s law

12 / 30

12. Which cycle is used in a petrol engine?

Diesel cycle

Otto cycle

Brayton cycle

Carnot cycle

13 / 30

13. Which of the following is a closed-cycle heat engine?

Steam turbine

Diesel engine

Petrol engine

Gas turbine

14 / 30

14. The thermal efficiency of an ideal heat engine depends on:

Compression ratio

Operating pressure

Temperature difference

Fuel used

15 / 30

15. Heat engines convert:

Electrical energy to mechanical energy

Mechanical energy to thermal energy

Thermal energy to mechanical energy

Chemical energy to sound energy

16 / 30

16. A Carnot engine is:

100% efficient

The most efficient possible engine

Least efficient

Not practical

17 / 30

17. In a heat engine, the waste heat is rejected to:

Environment

Working fluid

Fuel tank

Ignition chamber

18 / 30

18. Which is not a component of a heat engine?

Source

Sink

Working substance

Governor

19 / 30

19. In a heat engine, the high temperature reservoir is called:

Sink

Cooler

Source

Radiator

20 / 30

20. The ideal cycle for a diesel engine is:

Otto cycle

Diesel cycle

Dual cycle

Rankine cycle

21 / 30

21. Compression ratio in diesel engines is generally:

5:1

8:1

16:1

25:1

22 / 30

22. Which part forms the combustion chamber with the piston and cylinder?

Crankcase

Cylinder head

Spark plug

Connecting rod

23 / 30

23. Which engine has better thermal efficiency?

Spark ignition

Compression ignition

24 / 30

24. The power output of an engine is measured in:

Newtons

Joules

Horsepower

Kelvin

25 / 30

25. The function of a carburetor is to:

Ignite the fuel

Compress the air

Mix air and fuel

Cool the engine

26 / 30

26. In modern engines, fuel injection replaces the:

Spark plug

Carburetor

Radiator

Flywheel

27 / 30

27. Efficiency of a heat engine is defined as:

Output/Input

Input/Output

Work/Power

Torque × RPM

28 / 30

28. Which fuel has the highest calorific value?

Diesel

Petrol

Natural gas

Hydrogen

29 / 30

29. The cooling system in an IC engine is used to:

Heat the engine

Prevent overheating

Mix fuel

Increase efficiency

30 / 30

30. The flywheel is used in an engine to:

Increase speed

Maintain uniform speed

Start the engine

Burn more fuel

Your score is

1. Which of the following is not a type of internal combustion engine?

2. The engine in which combustion takes place inside the cylinder is called:

3. Which stroke is responsible for producing power in a 4-stroke engine?

4. The basic function of an engine is to:

5. In a petrol engine, ignition is done by:

6. Diesel engines use what method for ignition?

7. Which engine component converts reciprocating motion into rotary motion?

8. The number of power strokes per crankshaft revolution in a 4-stroke engine is:

9. A 2-stroke engine completes a power cycle in:

10. Which of the following engines is more fuel efficient?

11. A heat engine operates on the principle of:

12. Which cycle is used in a petrol engine?

13. Which of the following is a closed-cycle heat engine?

14. The thermal efficiency of an ideal heat engine depends on:

15. Heat engines convert:

16. A Carnot engine is:

17. In a heat engine, the waste heat is rejected to:

18. Which is not a component of a heat engine?

19. In a heat engine, the high temperature reservoir is called:

20. The ideal cycle for a diesel engine is:

21. Compression ratio in diesel engines is generally:

22. Which part forms the combustion chamber with the piston and cylinder?

23. Which engine has better thermal efficiency?

24. The power output of an engine is measured in:

25. The function of a carburetor is to:

26. In modern engines, fuel injection replaces the:

27. Efficiency of a heat engine is defined as:

28. Which fuel has the highest calorific value?

29. The cooling system in an IC engine is used to:

30. The flywheel is used in an engine to:

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