Changing of a higher pair to a lower pair
Turning its upside down
Obtained by fixing different links in a kinematic chain
Obtained by reversing the input and output motion
C. Obtained by fixing different links in a kinematic chain
Free vibration
Forced vibration
Damped vibration
Under damped vibration
Over-damped
Under damped
Critically damped
Without vibrations
ω² × OQ
ω² × OQ sinθ
ω² × OQ cosθ
ω² × OQ tanθ
Positive throughout
Negative throughout
Positive during major portion of the stroke
Negative during major portion of the stroke
Zero
One
π/2
π
Point contact
Surface contact
No contact
None of the above
Above
Below
At
None of these
Completely constrained motion
Incompletely constrained motion
Successfully constrained motion
None of these
Spur gear
Helical gear
Bevel gear
None of the above
Is same as that of velocity
Is opposite to that of velocity
Could be either same or opposite to velocity
Is perpendicular to that of velocity
h/(kG² + h²)
(kG² + h²)/h
h²/(kG² + h²)
(kG² + h²)/h²
A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing
A thick film of lubricant between the journal and the bearing
No lubricant between the journal and the bearing
A forced lubricant between the journal and the bearing
Eight links
Six links
Four links
Twelve links
Flat pivot bearing
Flat collar bearing
Conical pivot bearing
Truncated conical pivot bearing
Gyroscope
Pantograph
Valve and valve gears
All of the above
45° to each other
90° to each other
120° to each other
180° to each other
(m.g + S₁)/(m.g + S₂) = r₁/r₂
(m.g - S₁)/(m.g - S₂) = r₂/r₁
S₁/S₂ = r₁/r₂
S₂/S₁ = r₁/r₂
Linear displacement
Rotational motion
Gravitational acceleration
Tangential acceleration
c (m - M) g
c (m + M) g
c/(m + M) g
c/(m - M) g
Increasing the spring stiffness
Decreasing the spring stiffness
Increasing the ball mass
Decreasing the ball mass
Fluctuation of energy
Maximum fluctuation of energy
Coefficient of fluctuation of energy
None of these
Bulky
Wears rapidly
Difficult to manufacture
Both (A) and (B) above
Double helical gears having opposite teeth
Double helical gears having identical teeth
Single helical gear in which one of the teeth of helix angle a is more
Mutter gears
In a direction perpendicular to the cam axis
In a direction parallel to the cam axis
In any direction irrespective of the cam axis
Along the cam axis
Sliding pair
Rolling pair
Surface pair
Higher pair
Of relative velocity vector for the two coincident points rotated by 90° 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
Radius of rotation of balls increases as the equilibrium speed decreases
Radius of rotation of balls decreases as the equilibrium speed decreases
Radius of rotation of balls increases as the equilibrium speed increases
Radius of rotation of balls decreases as the equilibrium speed increases
Weak material of the belt
Weak material of the pulley
Uneven extensions and contractions of the belt when it passes from tight side to slack side
Expansion of the belt
2ECS
ECS/2
2ECS²
2E²CS
ω × AB
ω × (AB)²
ω² × AB
(ω × AB)²