MCQ - TNPSC JTO
JTO - 540 - Trade - Workshop Calculation Science
540 - UNIT - 08 - Centre of Gravity Levers and Simple
145)
Unit of strain is:
A.
B.
C.
D.
146)
Which point marks the end of elastic behavior?
A.
B.
C.
D.
147)
Stress–strain curve is drawn between:
A.
B.
C.
D.
148)
Elastic deformation is:
A.
B.
C.
D.
149)
Plastic deformation is:
A.
B.
C.
D.
150)
The slope of stress–strain curve in elastic region is:
A.
B.
C.
D.
151)
Which machine has VR = 2 and MA = 1.8? Efficiency is:
A.
B.
C.
D.
152)
Pulley systems are used for lifting because they:
A.
B.
C.
D.
153)
A single movable pulley gives MA of:
A.
B.
C.
D.
154)
The VR of a screw jack depends on:
A.
B.
C.
D.
155)
Ideal machine has:
A.
B.
C.
D.
156)
The SI unit of stress is:
A.
B.
C.
D.
157)
Elastic limit is:
A.
B.
C.
D.
158)
Beyond yield point, material becomes:
A.
B.
C.
D.
159)
Young's modulus measures:
A.
B.
C.
D.
160)
Tensile stress occurs due to:
A.
B.
C.
D.