Test: Theory of Machines Level - 1 - Mechanical Engineering MCQ

Whitworth quick return mechanism

hand pump

oscillating cylinder engine

all of the above

none of the above

one binary joint

two binary joints

three binary joints

four binary joints

none of the above

6 times more

6 times less

2.44 times more

2.44 times less

36 times less

n(n-1)/2

n

n –1

n/2

n(n - 1)

a triangle

a point

two lines

s straight line

a curve

of relative velocity vector for the two coincident points rotated by 90º in the direction of the angular velocity of the rotation of the link.

along the centripetal acceleration

along tangential acceleration

along perpendicular to angular velocity

none of the above

none of the above

pitch circle

base circle

prime circle

outer circle

none of the above

involved

not involved

possible in some position

a rate possibility

unpredictable

internal expanding

band brake

band and block brake

shoe brake

electric brake

Pickening

Porter

hartnell

watt

hartung

stability

sensitivity

effort and power

all of the above

none of the above

means speed × range of speed

store energy and give up whenever required

regulate the speed during one cycle of a prime mover

decrease variation of speed

increase variation of speed

adjust variation of speed by varying the input to the engine

only on the sum of the radii of pulleys

on the sum and difference of the radii of the pulleys

square of difference of radii of pulleys

square of sum of radii of pulleys

none of the above

does not affect power transmission

increases power transmission

reduces power transmission 

increases power transmission upto certain speed and then decreases

none of the above

twice the centrifugal tension

thrice the centrifugal tension

four times the centrifugal tension

half the centrifugal tension

in the direction of motion of ship

which act horizontally perpendicular to the motion of ship

in the plane of the pitching

Which act along the axis of the bearings

Which can be resolved into all the three components

inner circle

prime circle

base circle

addendum circle

dedendum circle

obtaining rotation in desired direction

reducing the size of the individual gear

bridging the gap between the first and last wheels of the train

driving auxiliaries incidental to the main drive

any one of the above

teeth should be of involute type

clearance between mating teeth should be provided

dedendum should be equal to 1.157 m

teeth should be of cycloidal type

none of the above

parallel

non-intersecting

non-coplanar

any of the above

none of the above

D/T

T/D

PD/2T