MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
UNIT - 7 - Friction
193)
The unit of coefficient of friction is:
A.
B.
C.
D.
194)
In a bench vice, friction helps in:
A.
B.
C.
D.
195)
The relation between angle of friction (θ) and coefficient of friction (μ) is:
A.
B.
C.
D.
196)
Which of the following is a disadvantage of friction?
A.
B.
C.
D.
197)
Friction acts only when:
A.
B.
C.
D.
198)
When a person walks, which friction helps in forward motion?
A.
B.
C.
D.
199)
Friction between moving car tyres and road is:
A.
B.
C.
D.
200)
Which method is not effective to reduce friction?
A.
B.
C.
D.