Question 1

If the crank radius of an engine is 30 mm, then the stroke length will be

Accepted Answer

60 mm

Answer

15 mm

Answer

30 mm

Answer

90 mm

Question 2

Cycle known as constant pressure cycle is

Accepted Answer

Diesel cycle

Answer

Otto cycle

Answer

Dual cycle

Answer

Joule cycle

Question 3

The motion of the connecting rod of an engine is

Accepted Answer

Combined translation and rotation

Answer

rotating

Answer

reciprocating

Answer

translating

Question 4

The connecting link between big end of the connecting rod and the crank is

Accepted Answer

Crank pin

Answer

wrist pin

Answer

piston pin

Answer

gudgeon pin

Question 5

Steel is a combination of

Accepted Answer

Fe and C with alloying elements

Answer

Fe and Cu with alloying elements

Answer

Fe and Zn with alloying elements

Answer

Fe and S with alloying elements

Question 6

The height reached by a projectile is maximum when the angle made by it with the horizontal is

Accepted Answer

90

Answer

0

Answer

45

Answer

180

Question 7

The translatory effect of a couple is

Accepted Answer

zero

Answer

inifinity

Answer

depends on magnitude of couple

Answer

one

Question 8

If the velocity of a body is increased 2 times, then the KE of the body will  increase

Accepted Answer

4 times

Answer

1/2 times

Answer

2 times

Answer

does not change

Question 9

Collision between two balls made of clay is an example for

Accepted Answer

inelastic collision

Answer

linear collision

Answer

elastic collision

Answer

oblique collision

Question 10

The unit of momentum is the same as that of

Accepted Answer

impulse

Answer

force

Answer

moment

Answer

energy

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