201. The product of the diametral pitch and module is equal to one.
Correct
Incorrect
✅ The correct answer is option A.
Machine Design MCQs
202. The rolling contact bearings as compared to sliding contact bearings have
small overall dimensions
accuracy of shaft alignment
low starting and low running friction except at very high speeds
all of the above
✅ The correct answer is option D.
204. The power transmitted by a belt drive is maximum when the maximum tension in the belt is __________ the centrifugal tension.
equal to
double
three times
six times
✅ The correct answer is option C.
205. The application of second type levers is found in
handle of a hand pump
hand wheel of a punching press
lever of a loaded safety valve
a pair of tongs
✅ The correct answer is option C.
206. The radial distance from the __________ to the clearance circle is called working depth.
addendum circle
dedendum circle
✅ The correct answer is option A.
207. The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
one-fourth
one-third
one-half
double
✅ The correct answer is option B.
208. In a belt drive, the velocity ratio is the inverse ratio of the diameters of driving and driven pulleys.
TRUE
FALSE
✅ The correct answer is option A.
209. A steel containing __________ 0.8% carbon is known as hypo-eutectoid steel.
equal to
less than
greater than
✅ The correct answer is option B.
210. In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.
Correct
Incorrect
✅ The correct answer is option B.