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600+ Automobile Engineering MCQ page-75

MVI, Junior Engineer Automobile Engineering 1000+ MCQ PDF Download @ 99 only (With Free Sample PDF)

Automobile Engineering MCQ
Question 686:  During a power stroke, the downward moment of the piston is done due to which pressure or force?
Options :
A. Fuel pressure
B. Gas pressure
C. Solid pressure
D. Liquid pressure


Automobile Engineering MCQ
Question 687:- Read the given statement and conclusions carefully. Which of the given conclusions logically follow(s) from the statement?
A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders, among other similar mechanisms.
I) It is the moving component that is contained by a cylinder and is made gas-tight by piston rings.
1I) Its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod.

Options :
A. Only Conclusion I follows
B. Only Conclusion II follows
C. Both conclusions follow
D. The statement is true but the conclusions are false


Automobile Engineering MCQ
Question 688:- In balancing of single cylinder engine, the rotating unbalance is:
Options :
A. Completely made zero and so also the reciprocating unbalance
B. Completely made zero and the reciprocating unbalance is partially reduced
C. Partially reduced and the reciprocating unbalance is completely made zero
D. Partially reduced and so also the reciprocating unbalance


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Automobile Engineering MCQ
Question 689:-  The air cooling system helps to dissipate the heat from which of the following parts?
Options :
A. Engine piston
B. Engine crank shaft
C. Exhaust pipe
D. Cylinder and head fins


Automobile Engineering MCQ
Question 690:- Identify the INCORRECT statement related to the properties of a lubricant.
Options :
A. It should have low viscosity.
B. It should remain stable under changing temperatures.
C. It should keep lubricated pans clean.
D. It should not corrode metallic surfaces.



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