Machine Design MCQ Question with Answer

Question No : 29
Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material)

Question No : 30
While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as

Question No : 31
In a marine flange coupling, the thickness of flange is taken as

Question No : 32
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using

Question No : 33
The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact)

Question No : 34
A hot short metal is

Question No : 35
Which of the following property is essential for spring materials?