Top 150+ Solved Design of Machine Elements MCQ Questions Answer

From 136 to 150 of 169

Q. If viscosity of the lubricant is very low than BCN will lie in the region

a. bc

b. point c

c. cd

d. can’t be determined

  • a. bc

Q. A single transverse weld is preferred over

a. true

b. false

  • b. false

Q. Which of the following are functions of bearings?

a. ensure free rotation of shaft with minimum friction

b. holding shaft in a correct position

c. transmit the force of the shaft to the frame

d. all of the listed

  • d. all of the listed

Q. Which of the following is measure of stiffness?

a. modulus of elasticity

b. modulus of plasticity

c. resilience

d. toughness

  • a. modulus of elasticity

Q. Which of the following facts are true for resilience?

a. ability of material to absorb energy when deformed elastically

b. ability to retain deformation under the application of load or after removal of load

c. ability of material to absorb energy when deformed plastically

d. none of the mentioned

  • a. ability of material to absorb energy when deformed elastically

Q. Stressed parts are always kept in tension.

a. true

b. false

  • a. true

Q. Which process allows controlling grain structure of the product?

a. casting

b. forging

c. none of the mentioned

d. die casting

  • b. forging

Q. Cast surfaces have good finishing.

a. true

b. false

  • b. false

Q. In forging, metal is in which of the following stage?

a. elastic

b. plastic

c. can be in any stage

d. rigid

  • b. plastic

Q. Among casting, forging and forging which has the slowest rate of production?

a. casting

b. forging

c. machining

d. all have equal rate of production

  • c. machining

Q. Maximum carbon content in welding is usually limited to

a. 0.22%

b. 0.8%

c. 1.5%

d. 2%

  • a. 0.22%
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