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Mechanical viva

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.

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Mechanical viva

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  1. 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.

  2. 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 d) Saddle key Answer: a) Woodruff Key

  3. 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 Answer: c) Key is made the weakest so that it is cheap and easy to replace in case of failure

  4. 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 d) Knuckle Joint Answer: b) Cotter Joint Reason: valve rod and it stem and piston connecting rods are the example

  5. 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 d) is uniform throughout Answer: c) varies exponentially, being more at the torque input end, The parallel sunk keys may be of rectangle-shaped or rectangle area consistent wide and size throughout. It may be mentioned that a parallel key is a blend less and is used where the lever, equipment or other propagation part needs to slip along the base. In developing a key, causes due to fit of the key are ignored and it is believed that the submission of causes along the duration of key is consistent.

  6. 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 d) Shearing, Bearing and Bending stresses Answer: a) Both shear and bearing stresses

  7. Our CAD CAM training institute is more than enough for you to make your profession in this field.

  8. THANK YOU

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