Question – 1
1. _________ are used in new cars to mix air and fuel.
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A. Fuel Injectors
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B. Carburetors
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C. Slip Joints
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D. Both A and B
- Answer:D
- Answer Explanation:
Question – 2
2. The engine cooling system of an automobile does not have a ___________.
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A. water pump
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B. distributor
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C. pressure cap
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D. thermostat
- Answer:B
- Answer Explanation:
Question – 3
3. _____________ is responsible for the opening and closing of intake and exhaust valves in an engine.
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A. A camshaft
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B. An injector
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C. A compressor
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D. A carburetor
- Answer:A
- Answer Explanation:
Question – 4
4. When piston rings are worn, a car may use __________ oil.
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A. more
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B. less
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C. medium
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D. no
- Answer:A
- Answer Explanation:
Question – 5
5. A ten-penny nail is not _________ than a 2d nail.
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A. Thicker
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B. Harder
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C. Shorter
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D. Longer
- Answer:C
- Answer Explanation:
Question – 6
6. __________ should be used to extinguish a class c fire.
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A. Carbon dioxide
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B. Water
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C. Helium
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D. Neon
- Answer:A
- Answer Explanation:
Question – 7
7. _________ are used to cut threads in hard materials like metal, plastic etc.
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A. Scissors
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B. Tube cutters
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C. Taps and Dies
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D. Chamfers
- Answer:C
- Answer Explanation:
Question – 8
8. __________ is made by using the primary ingredients-cement, sand, gravel and water.
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A. Concrete
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B. Cement
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C. Mortar
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D. None of the above
- Answer:A
- Answer Explanation:
Question – 9
9. Toxicity of engine emissions can be reduced by using _________.
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A. an injector
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B. fuel
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C. a charger
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D. a catalytic converter
- Answer:D
- Answer Explanation:
Question – 10
10. In an automobile, camber is used in the design of __________.
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A. the engine
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B. steering and suspension
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C. breaks
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D. the compressor
- Answer:B
- Answer Explanation:
Question – 11
11. Lead-tin alloy is used to make fuel tanks as it ___________.
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A. prevents rusting
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B. keeps the fuel cool
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C. reduces vibration
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D. protects the engine
- Answer:A
- Answer Explanation:
Question – 12
12. ________ is used for cutting grooves.
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A. Dado blade
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B. Chisel
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C. Rip blade
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D. Kerf
- Answer:A
- Answer Explanation:
Question – 13
13. Shock absorbers are used by the _________ in an automobile.
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A. exhaust system
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B. suspension system
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C. engine
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D. both A and B
- Answer:B
- Answer Explanation:
Question – 14
14. A catalytic converter __________.
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A. converts pollutants into less harmful substances
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B. saves engine fuel
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C. regulates air supply to the engine
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D. makes the automobile start
- Answer:A
- Answer Explanation:
Question – 15
15. Holes can be made in a metal sheet safely by using a _________.
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A. metal punch
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B. lever
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C. sledge
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D. rebar
- Answer:A
- Answer Explanation: