[A]. Agree
[B]. Disagree
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✅ The correct answer is option A.
Machine Design MCQs
The number of slots in a 25 mm castle nut is
[A]. 2
[B]. 4
[C]. 6
[D]. 8
✅ The correct answer is option C.
The pipe joint mostly used for pipes carrying water at low pressures is
[A]. socket joint
[B]. nipple joint
[C]. union joint
[D]. spigot and socket joint
✅ The correct answer is option A.
The constant factor in case of R10 series of preferred numbers is
[A]. 1.06
[B]. 1.12
[C]. 1.26
[D]. 1.58
✅ The correct answer is option C.
Soderberg relation is based on __________ of the material whereas all other failure relation for dynamic loading are based on ultimate strength of the material.
[A]. elastic strength
[B]. yield strength
[C]. shear strength
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✅ The correct answer is option B.
The value of stress concentration factor depends upon
[A]. material of the part
[B]. geometry of the part
[C]. material and geometry of the part
[D]. none of these
✅ The correct answer is option C.
A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole)
[A]. less than 20 d
[B]. greater than 30 d
[C]. between 20 d and 30 d
[D]. equal to inside diameter of pipe
✅ The correct answer is option C.
In radial cams, the follower moves
[A]. in a direction perpendicular to the cam axis
[B]. in a direction parallel to the cam axis
[C]. in any direction irrespective of cam axis
[D]. along the cam axis
✅ The correct answer is option A.
Surface endurance limit of gear material is dependent upon its
[A]. elastic strength
[B]. yield strength
[C]. brinell hardness number
[D]. toughness
✅ The correct answer is option C.
The centre distance between two meshing involute gears is equal to
[A].
[B].
[C].
[D].
✅ The correct answer is option A.