Top 150+ Solved Design of Machine Elements MCQ Questions Answer
Q. The ratio of the maximum fluctuation of energy to the ……. is called coefficient of fluctuation of energy.
a. minimum fluctuation of energy
b. workdone per cycle
c. maximum fluctuation of energy
d. none of the mentioned
Q. Due to the centrifugal force acting on the rim, the flywheel arms will be subjected to
a. tensile stress
b. compressive stress
c. shear stress
d. none of the mentioned
Q. The cross-section of the flywheel arms is usually
a. elliptical
b. rectangular
c. i-section
d. l-section
Q. In order to find the maximum bending moment on the arms, it is assumed as a
a. simply supported beam carrying a uniformly distributed load over the arm
b. fixed at both ends
c. cantilever beam fixed at the hub and carrying a concentrated load at the free end of the rim
d. none of the mentioned
Q. The diameter of the hub of the flywheel is usually taken
a. equal to the diameter of the shaft
b. twice the diameter of the shaft
c. three times the diameter of the shaft
d. four times the diameter of the shaft
Q. In a four stroke cycle engine camshaft revolves at the crank speed.
a. two times
b. half
c. four times
d. three times
Q. The gears on camshaft and crankshaft are known as
a. lining gears
b. aligning gears
c. timing gears
d. tuning gears
Q. The material known as high carbon high copper chrome silicon cast steel is used for making
a. camshaft
b. cylinder body
c. cylinder head
d. piston