WorksheetsRound - 1
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
The SI unit of force is:
a)
kg
b)
N
c)
Pa
d)
J
2.
Stress is defined as:
a)
Force × Area
b)
Force / Area
c)
Area / Force
d)
Force × Length
3.
Which stress is caused by twisting?
a)
Tensile
b)
Compressive
c)
Shear
d)
Torsional
4.
Hooke’s Law is valid up to:
a)
Yield point
b)
Breaking point
c)
Elastic limit
d)
Ultimate stress
5.
The motion of a piston in an engine is:
(a)
6.
Lubrication mainly reduces:
a)
Weight
b)
Speed
c)
Frection
d)
Temperature
7.
Which quantity is a vector?
a)
Speed
b)
Mass
c)
Force
d)
Energy
8.
The ratio of output work to input work is called:
(a)
9.
Heat transfer by direct contact is called:
a)
Conduction
b)
Convection
c)
Radiation
d)
Evaporation
10.
Which material has the highest thermal conductivity?
a)
Aluminum
b)
Copper
c)
Cast iron
d)
Steel
100 %
