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लोग शायद ही कभी सफल होते हैं जब तककि जो वो कर रहे हैं उसमें आनंद ना लें |
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    Mechanical Engineering : Machine Design Question & Answer in English

36.
The size of gears is usually specified by
A.  Pressure angle
B.  Pitch circle diameter
C.  Circular pitch
D.  Diametric pitch

37.
The process extensively used for making bolts and nuts is  -
A.  Hot piercing
B.  Extrusion
C.  Cold peening
D.  Cold heading

38.
The ratio of linear to linear strain is called -
A.  Modulus of elasticity
B.  Modulus of rigidity
C.  Bulk modulus
D.  Poission’s ratio

39.
The Poission’s ratio for steel varies from
A.  0.21 to 0.25
B.  0.25 to 0.33
C.  0.33 to 0.38
D.  0.38 to 0.45

40.
The neutral axis of a beam is subjected to
A.  Zero stress
B.  Maximum tensile stress
C.  Maximum compressive stress
D.  Maximum shear stress

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