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

126)   

Strain is: 

A.
B.
C.
D.
Answer: A
127)   

Young’s modulus is defined as: 

A.
B.
C.
D.
Answer: A
128)   

Proportional limit is the point where:

A.
B.
C.
D.
Answer: B
129)   

Ultimate tensile strength is the:

A.
B.
C.
D.
Answer: A
130)   

Breaking point is where:

A.
B.
C.
D.
Answer: A
131)   

CG of a semicircular lamina lies at:

A.
B.
C.
D.
Answer: C
132)   

Which shape has the same CG and centroid?

A.
B.
C.
D.
Answer: A
133)   

A jack is used to: 

A.
B.
C.
D.
Answer: A
134)   

The function of lever is to:

A.
B.
C.
D.
Answer: C
135)   

Crowbar is a type of:

A.
B.
C.
D.
Answer: A
136)   

When MA = 1, the machine: 

A.
B.
C.
D.
Answer: A
137)   

MA is calculated as:

A.
B.
C.
D.
Answer: A
138)   

The greater the MA, the:

A.
B.
C.
D.
Answer: A
139)   

VR is defined as: 

A.
B.
C.
D.
Answer: A
140)   

If VR = 5, then: 

A.
B.
C.
D.
Answer: A
141)   

Efficiency is expressed as:

A.
B.
C.
D.
Answer: A
142)   

Ideal machine efficiency: 

A.
B.
C.
D.
Answer: A
143)   

In real machines, efficiency is always: 

A.
B.
C.
D.
Answer: A
144)   

Stress is defined as:

A.
B.
C.
D.
Answer: A
145)   

Unit of strain is: 

A.
B.
C.
D.
Answer: A
146)   

Which point marks the end of elastic behavior?

A.
B.
C.
D.
Answer: A
147)   

Stress–strain curve is drawn between: 

A.
B.
C.
D.
Answer: A
148)   

Elastic deformation is:

A.
B.
C.
D.
Answer: A
149)   

Plastic deformation is:

A.
B.
C.
D.
Answer: A
150)   

The slope of stress–strain curve in elastic region is: 

A.
B.
C.
D.
Answer: A