Top 550+ Solved Machine Design MCQ Questions Answer
Q. Which of the following fits can be used for selective assembly?
a. Loose fit
b. 10 kg
c. Shrink fit
d. Free fit
e. Medium fit
Q. A block weighing 1000 kg rests on a horizontal surface. The coefficient of friction is 0.3 (both static and kinetic). What frictional force will be developed if the force applied to the block in the direction parallel to the horizontal surface is 40 kg
a. 40 kg
b. 33.33 kg
c. 30 kg
d. 10 kg
e. 12 kg
Q. Which type of coupling will be preferred for connecting two shafts having relative speed?
a. Flange coupling
b. Flexible flange coupling
c. Muff coupling
d. Fluid coupling
e. Any of the above
Q. As far as possible adhesive joints should be loaded in
a. shear
b. torsion
c. compression
d. Any of the above
e. Increasing the diameter of threaded portion
Q. The basic shaft is
a. One which has no upper deviation
b. One which has no lower deviation
c. One which has least deviation on both upper and lower side
d. Does not exist
e. None of the above
Q. The light gauge steel structural members are generally
a. fabricated fromthick sections
b. hot rolled
c. Increasing the diameter of threaded portion
d. cold formed
e. casted
Q. In general, the bunkers are constructed
a. circular and polygonal in plan
b. square and rectangular in plan
c. Increasing the diameter of threaded portion
d. hexagonal in plan
e. elliptical in plan
Q. In case of a cotter joint the compressive load is transmitted from one rod to another rod
a. Directly
b. Via cotter
c. Via cotter pin
d. Via collar
e. None of the above
Q. The shock absorbing capacity of a bolt is increased by
a. Proper tightening
b. Use of a spring washer
c. Making shank diameter equal to the core diameter
d. Preventingstress concentration any where in the bolt
e. None of the above
Q. When a nut is tightened by placing a washer under it, the bolt tends to fall in
a. compression
b. tension
c. shear
d. none of the above
e. Cast steel
Q. Jaw clutches are generally used for
a. high horse power low rpm applications
b. low horse power high rpm applications
c. high horse power high rpm applications
d. low horse power low rpm applications
e. Increasing the diameter of threaded portion
Q. Which of the following fit can be used for interchangeable assembly
a. 10 kg
b. Tight
c. Sung
d. Medium force
e. Wringing
Q. Within elastic limits the greatest amount of strain energy per unit volume that a material can absorb is known as
a. Resilience
b. Shock proof energy
c. Proof resilience
d. Impact energy limit
e. Strain hardening