MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
UNIT - 7 - Friction
177)
Which of the following materials would likely have highest friction?
A.
B.
C.
D.
178)
In machining, friction between chip and tool affects:
A.
B.
C.
D.
179)
Lubrication helps by forming:
A.
B.
C.
D.
180)
Friction increases when:
A.
B.
C.
D.
181)
The force required to keep a body in motion is called:
A.
B.
C.
D.
182)
Friction causes ______ in moving parts of machines.
A.
B.
C.
D.
183)
Limiting friction is:
A.
B.
C.
D.
184)
Friction can be increased by:
A.
B.
C.
D.
185)
Which of the following machines uses the principle of friction?
A.
B.
C.
D.
186)
In belt drives, slipping is avoided by:
A.
B.
C.
D.
187)
In friction, the direction of force is always:
A.
B.
C.
D.
188)
Self-locking in screws is due to:
A.
B.
C.
D.
189)
Lubricants are used in machines to:
A.
B.
C.
D.
190)
Angle of friction increases with:
A.
B.
C.
D.
191)
When a body just begins to slide, the friction is:
A.
B.
C.
D.
192)
Friction is a:
A.
B.
C.
D.