Machine Design MCQs

feather key

gib-head key

wood ruff key

flat saddle key

pitch circle

base circle

addendum circle

dedendum circle

threads for the nut at one end and head at the other end

head at one end and the other end fits into a tapped hole of one of the parts to be fastened

threads at both ends

pointed threads

mild steel

aluminium

brass

cast iron

Acme threads

Square threads

Buttress threads

Multiple threads

Bushed pin type coupling

Universal coupling

Oldham coupling

all of these

more

less

remains constant at all speeds

is minimum at zero speed and increases monotonically with increase in speed

is maximum at zero speed and decreases monotonically with increase in speed

becomes minimum at an

are lighter in weight

offer silent operation

can withstand shock loads

all of these

bondability

embeddability

comformability

fatigue strength