Machine Design MCQs

initial tension

external load applied

sum of the initial tension and external load applied

initial tension or ext

loose in shaft and tight in hub

tight in shaft and loose in hub

tight in both shaft and hub

loose in both shaft an

length, width and load

length, width and speed

viscosity, speed and load

viscosity, speed and b

bending stress only

a combination of torsional shear stress and bending

direct shear stress only

a combination of bendi

a thinner nut is tightened down over a thicker or main nut and the main nut is tightened against the thinner nut by loosening

a slot is cut in line with the centre of each face and a split pin passes through two slots in the nut and a hole in the bolt, so that a positive lock is obtained unless the pin shears

a slot is cut about half way through the nut and a small screw is tightened between the nut and the bolt in order to produce more friction

the bottom cylindrical

TRUE

FALSE

10 m/s

12.5 m/s

15 m/s

20 m/s

Agree

Disagree

load lifted to the effort applied

mechanical advantage to the velocity ratio

load arm to the effort arm

effort arm to the load

4

6

8

10