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Mechanical Engineering - Automobile Engineering

Exercise : Automobile Engineering - Section 1
36.
The aluminium alloy is used in cylinder blocks because
it is lighter and have good heat dissipation characteristics
material cost is low
it does not require any cylinder liners
the piston is also made of aluminium alloy
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
In a fuel injection system, the electronic control module (ECM) calculates the optimum fuel-injection volume for the engine condition based on the data received from the sensors, and injects this volume of fuel into the intake manifold at the optimum timing.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called
camber
caster
toe-in
toe-out
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
The main function of the tread pattern on tyre is that
the tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating
the crests between the tread grooves absorb road noise
in wet conditions, the tread grooves expel water that is drawn between the tyre and road surface
the tread pattern protects the tyre's inner carcass from small stones and pieces of glass
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
The compression ratio in petrol engine is kept less than in Diesel engine because
it makes petrol engines lighter
higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
less compression ratio gives better performance
it is just customary to have less compression ratio in petrol engines
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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