Questions and answers for exam Preparation

MCQs

Total Questions : 1197 | Page 60 of 120 pages

Question 591. In a unit type body (frameless body) design, the sheet metal parts are welded together, forming a frame work to which outer skin is attached.

True
False
Can't say
None of these

Discuss Question

Answer: Option A. -> True
Answer: (a).True

Question 592. The torque available at the contact between driving wheels and road is known as

brake effort
tractive effort
clutch effort
none of these

Discuss Question

Answer: Option B. -> tractive effort
Answer: (b).tractive effort

Question 593. A traction control system (TCS) in automobiles controls the

vibrations on the steering wheel
engine power during acceleration
torque that is transmitted by the tyres to the road surface
stopping distance in case of emergency

Discuss Question

Answer: Option C. -> torque that is transmitted by the tyres to the road surface
Answer: (c).torque that is transmitted by the tyres to the road surface

Question 594. The calorific value of petrol is about

36.5 - 38.5 MJ/kg
39.4 - 42.5 MJ/kg
42.7 - 43.5 MJ/kg
45.5 - 47 MJ/kg

Discuss Question

Answer: Option C. -> 42.7 - 43.5 MJ/kg
Answer: (c).42.7 - 43.5 MJ/kg

Question 595. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be

R
2 R
4R
4 R2

Discuss Question

Answer: Option C. -> 4R
Answer: (c).4R

Question 596. The purpose of a cylinder head gasket is to

prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
prevent engine oil from going into combustion chamber
removes impurities from cylinder head lubricating oil
none of the above

Discuss Question

Answer: Option A. -> prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
Answer: (a).prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head

Question 597. The size of engine cylinder is referred in terms of its

diameter and bore
displacement and efficiency
bore and stroke
bore and length

Discuss Question

Answer: Option C. -> bore and stroke
Answer: (c).bore and stroke

Question 598. The ball joints are used on the tie-rod ends, because they

reduce the amount of noise generated
reduce the amount of sliding resistance
can deal with movement of the suspension both vertically and in other directions
improve the force transmission speed

Discuss Question

Answer: Option C. -> can deal with movement of the suspension both vertically and in other directions
Answer: (c).can deal with movement of the suspension both vertically and in other directions

Question 599. The stroke of an engine is the

volume of the cylinder
length of the connecting rod
internal diameter of the cylinder
distance between T.D.C. and B.D.C.

Discuss Question

Answer: Option D. -> distance between T.D.C. and B.D.C.
Answer: (d).distance between T.D.C. and B.D.C.

Question 600. The function of a second ring is that it is a

back up compression ring which will work in place of the top ring when it is broken
compression ring and aids the top ring in sealing and cooling
back up oil control ring which will work in place of the bottom ring when it is broken
cushion ring which prevents piston slap and knock

Discuss Question

Answer: Option B. -> compression ring and aids the top ring in sealing and cooling
Answer: (b).compression ring and aids the top ring in sealing and cooling