Top 150+ Solved Theory of Mechanics MCQ Questions Answer
Q. Tathem dynamometer is name given to______
a. rope brake dynamometer
b. belt transmission dynamometer
c. absorption dynamometer
d. epicyclic train dynamometer
Q. In case of Glibson flash light torsion dynamometer angle of twist can be measured up to _______
a. 1/20th of degree
b. 1/10th of degree
c. 1/70th of degree
d. 1/100th of degree
Q. The following data refer to a laboratory experiment with rope brake____.Diameter of the flywheel=1m Diameter of the rope = 10mm , Dead weight on the brake = 50kg , Speed of the engine = 200rpm , Spring balance reading = 120N . Find brake power of the engine.
a. 3.91 kw
b. 2.90 kw
c. 4.90 kw
d. 3.80 kw
Q. The uniform Pressure conditions are used_____.
a. for safe design of clutches
b. for maximum power to be transmitted
c. for safe design bearing
d. for the frictional torque
Q. For safe design of brakes, we assume____.
a. uniform pressure conditions
b. uniform wear condition
c. neither uniform pressure nor uniform wear
d. all of the above
Q. According to uniform wear theory____. Where,w=Angular velocity of shaft, r=radius of shaft, W=Axial lead on shaft
a. pw=constant
b. pr=constant
c. pt=constant
d. pw=constant
Q. The uniform wear condition are used__________
a. for maximum power to be transmitted
b. for safe design of clutches
c. for safe design of bearing
d. for overcoming the frictional torque
Q. According to uniform wear theory____. Where, w=Angular velocity of shaft, r=radius of shaft, W=Axial lead on shaft
a. pw=constant
b. pr=constant
c. pt=constant
d. pw=constant
Q. Torque required to overcome the friction between shaft and bearing surface in case of multiple flat collar bearing is ___________.
a. independent of no\s of collars
b. dependent of radius of collars
c. dependent of no\s of collars
d. none of the above