Theory of machines
Applied mechanics
Mechanisms
Kinetics
D. Kinetics
Return to equilibrium position without oscillation
Oscillate with increasing time period
Oscillate with decreasing amplitude
Oscillate with constant amplitude
Radial component only
Tangential component only
Coriolis component only
Radial and tangential components both
Cylindrical pair
Turning pair
Rolling pair
Sliding pair
Zero
Minimum
Maximum
None of these
Input link and coupler
Input link and fixed link
Output link and coupler
Output link and fixed link
Perpendicular to its axis
Parallel to its axis
In a circle about its axis
None of these
Fluctuation of energy
Maximum fluctuation of energy
Coefficient of fluctuation of energy
None of these
Longitudinal vibrations
Transverse vibrations
Torsional vibrations
None of these
Flat pivot bearing
Flat collar bearing
Conical pivot bearing
Truncated conical pivot bearing
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
sinα = b/c
cosα = c/b
tanα = c/2b
cotα = c/2b
[c²/(1 + 2c)] (m + M) g.h
[2c²/(1 + 2c)] (m + M) g.h
[3c²/(1 + 2c)] (m + M) g.h
[4c²/(1 + 2c)] (m + M) g.h
A single mass in different planes
Two masses in any two planes
A single mass in one of the planes of the revolving masses
Two equal masses in any two planes
Permanent instantaneous centres
Fixed instantaneous centres
Neither fixed nor permanent instantaneous centres
None of the above
The system is critically damped
There is no critical speed in the system
The system is also statically balanced
There will absolutely no wear of bearings
Journal bearing
Ball and Socket joint
Leave screw and nut
None of the above
Stable
Unstable
Isochronous
Hunt
ω² R cosθ
ω² (R - r₁) cosθ
ω² (R - r₁) sinθ
ω² r₁ sinθ
Steering
Pitching
Rolling
All of the above
One-half
Two-third
n times
1/n times
Straight line
Parabolic curve
Triangle
Rectangle
Universal joint
Knuckle joint
Oldham's coupling
Flexible coupling
Can be used
Cannot be used
Unpredictable
None of these
Slider-crank mechanism
Velocity polygon
Acceleration polygon
Four bar chain mechanism
Primary forces and couples must be balanced
Secondary forces and couples must be balanced
Both (A) and (B)
None of these
The algebraic sum of the secondary forces must be equal to zero
The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero
Both (A) and (B)
None of these
During which the follower returns to its initial position
Of rotation of the cam for a definite displacement of the follower
Through which the cam rotates during the period in which the follower remains in highest position
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Mean speed to the maximum equilibrium speed
Mean speed to the minimum equilibrium speed
Difference of the maximum and minimum equilibrium speeds to the mean speed
Sum of the maximum and minimum equilibrium speeds to the mean speed
Lower pair
Higher pair
Spherical pair
Cylindrical pair
(S₁ + S₂)/h
(S₁ - S₂)/h
(S₁ + S₂)/2h
(S₁ - S₂)/2h