on their point of contact
at the centre of curvature
at the centre of circle
at the pin joint
✅ The correct answer is option B.
Theory of machines MCQs
When the elements of a pair are kept in contact by the action of external forces, the pair is said to be a
lower pair
higher pair
self-closed pair
force-closed pair
✅ The correct answer is option D.
The frictional torque transmitted by a disc or plate clutch is same as that of
flat pivot bearing
flat collar bearing
conical pivot bearing
truncated conical pivo
✅ The correct answer is option B.
When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as helical gearing.
Right
Wrong
✅ The correct answer is option B.
In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as
tractive force
swaying couple
hammer blow
none of these
✅ The correct answer is option C.
The D-slide valve is also known as
inside admission valve
outside admission valve
piston slide valve
none of these
✅ The correct answer is option B.
The coriolis component of acceleration leads the sliding velocity by
45°
90°
135°
180°
✅ The correct answer is option B.
Which of the following is a higher pair?
Belt and pulley
Turning pair
Screw pair
Sliding pair
✅ The correct answer is option A.
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.
greater than
less than
✅ The correct answer is option A.