# LIVE EXAMINATION (09-07-2019)-MECHANICAL AND Engg. MECHANICS

## Quiz by Wincentre Classes

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10 questions
• Q1
If the crank radius of an engine is 30 mm, then the stroke length will be
15 mm
60 mm
30 mm
90 mm
30s
• Q2
Cycle known as constant pressure cycle is
Otto cycle
Diesel cycle
Dual cycle
Joule cycle
30s
• Q3
The motion of the connecting rod of an engine is
rotating
reciprocating
translating
Combined translation and rotation
30s
• Q4
The connecting link between big end of the connecting rod and the crank is
Crank pin
wrist pin
piston pin
gudgeon pin
30s
• Q5
Steel is a combination of
Fe and Cu with alloying elements
Fe and Zn with alloying elements
Fe and C with alloying elements
Fe and S with alloying elements
30s
• Q6
The height reached by a projectile is maximum when the angle made by it with the horizontal is
90
0
45
180
30s
• Q7
The translatory effect of a couple is
inifinity
depends on magnitude of couple
one
zero
30s
• Q8
If the velocity of a body is increased 2 times, then the KE of the body will increase
1/2 times
2 times
4 times
does not change
30s
• Q9
Collision between two balls made of clay is an example for
inelastic collision
linear collision
elastic collision
oblique collision
30s
• Q10
The unit of momentum is the same as that of
force
moment
energy
impulse
30s

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