A) The cold rolled shafting is stronger than hot rolled shafting

B) The hot rolled shafting is stronger than cold rolled shafting

C) The cold rolled and hot rolled shafting are equally strong

D) The shafts are not made by rolling process

A)   1 in l5 to 1 in 10

B)   1 in 24 to 1 in 20

C)   1 in 32 to 1 in 24

D)   1 in 48 to 1 in 24

A)   Acme threads

B)   Square threads

C)   Buttress threads

D)   Multiple threads

A)   lower leaf

B)   master leaf

C)   upper leaf

D)   none of these

A) there is a thick film of lubricant between the journal and the bearing

B) there is a thin film of lubricant between the journal and the bearing

C) there is no lubricant between the journal and the bearing

D) the lubricant is forced between the journal and the bearing, by external pressure

A)   elastic strength

B)   yield strength

C)   shear strength

D)  

A) handle of a hand pump

B) hand wheel of a punching press

C) lever of a loaded safety valve

D) a pair of tongs