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Mechanical - 540 - UNIT - 08 - Centre of Gravity Levers and Simple - MCQ

176)   

The stress that causes change in shape is:

A.
B.
C.
D.
Answer: A
177)   

Torsion causes: 

A.
B.
C.
D.
Answer: A
178)   

One Pascal is equal to:

A.
B.
C.
D.
Answer: A
179)   

If efficiency = 0%, it means: 

A.
B.
C.
D.
Answer: A
180)   

Which is not a simple machine?

A.
B.
C.
D.
Answer: B
181)   

Unit of load in SI: 

A.
B.
C.
D.
Answer: A
182)   

High stiffness means: 

A.
B.
C.
D.
Answer: A
183)   

Effort arm is greater than load arm in:

A.
B.
C.
D.
Answer: A
184)   

Plastic region is:

A.
B.
C.
D.
Answer: A
185)   

Necking occurs in: 

A.
B.
C.
D.
Answer: A
186)   

Tough materials are resistant to: 

A.
B.
C.
D.
Answer: A
187)   

MA < 1 in:

A.
B.
C.
D.
Answer: A
188)   

VR is affected by: 

A.
B.
C.
D.
Answer: A
189)   

SI unit of strain energy: 

A.
B.
C.
D.
Answer: A
190)   

Shear modulus is:

A.
B.
C.
D.
Answer: A
191)   

Machine efficiency can be improved by: 

A.
B.
C.
D.
Answer: A
192)   

Load arm is distance between:

A.
B.
C.
D.
Answer: A
193)   

Which factor does not affect stress? 

A.
B.
C.
D.
Answer: A
194)   

SI unit of modulus of elasticity: 

A.
B.
C.
D.
Answer: A
195)   

Plasticity is the property of:

A.
B.
C.
D.
Answer: A
196)   

MA = VR means: 

A.
B.
C.
D.
Answer: D
197)   

Shear strain is: 

A.
B.
C.
D.
Answer: A
198)   

When MA > 1, machine is: 

A.
B.
C.
D.
Answer: A
199)   

Hooke’s Law says: 

A.
B.
C.
D.
Answer: A
200)   

Best elastic material used in spring is: 

A.
B.
C.
D.
Answer: A