The ultimate guide to mechanical

engineering viva questions

Here are some machine design viva

questions to make your profession in

mechanical engineering and these

mechanical engineering questions will be

very much required for you to groom

yourself.

1. Segment or Circular disc with uniform

thickness is the form used to make sunk key

and it is known as:

a) Woodruff key

b) Feather key

c) Kennedy key

2. In the assembly of pulley, key and shaft:

a) Key is made the strongest

b) All the three are designed for equal

strength

c) Key is made the weakest

d) Pulley is made the weakest

3. In a steam engine, piston rod and the

crosshead are usually connected by means

of:

a) Ball Joint

b) Cotter Joint

c) Universal Joint

4) The distribution of force along the length

of the key in a parallel sunk key is:

a) varies exponentially, being more at the

torque input end

b) varies exponentially, being less at torque

output end

c) Varies linearly

5) The key of a rectangular section and with

the help of shaft it is connencted to a spur

gear transmitting power. Stresses developed

in the key is fare:

a) Both shear and bearing stresses

b) Bearing stress alone

c) Shear stress alone

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