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Automobile Engineering in ME

Automobile Engineering in ME
A heat treated glass generally used in automobiles bursts into ________ upon cracking,

Small particles
Large particles
None of these
Sharp edged fragments

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Automobile Engineering in ME
The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be

2R
4R²
R
4R

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Automobile Engineering in ME
The forced fed lubrication system means that the oil is delivered to the engine by

Splashing action of the crankshaft
Gravity
None of these
The pressure created by the oil pump

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Automobile Engineering in ME
In order to implement gear changes in the gear unit of an automatic transmission, a ___________ is used.

Planetary gear
Magnetic clutch
Synchronizer
Hydraulic multi plate clutch

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Automobile Engineering in ME
A petrol engine of a car develops 125 Nm torque at 2700 r.p.m. The car is driven in second gear having gear ratio of 1.75. The final drive ratio is 4.11. If the overall transmission efficiency is 90%, then the torque available at the driving wheels is

809.1 Nm
80.91 Nm
8091 Nm
8.091 Nm

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Automobile Engineering in ME
Two advantages of using helical gears rather than spur gears in a transmission system are

Noise level and economy
Strength and cost
Noise level and strength
Strength and less end thrust

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MORE MCQ ON Automobile Engineering in ME

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