Longitudinal vibration
Torsional vibration
Transverse vibration
Damped free vibration
C. Transverse vibration
Piston, piston rod and cross head
Piston and piston rod
Piston rod and cross head
Piston, crank pin and crank shaft
Perpendicular to its axis
Parallel to its axis
In a circle about its axis
None of these
sinβ
cosβ
cosecβ
secβ
Angle of friction
Angle of repose
Angle of projection
None of these
I.ω.(ω₁ - ω₂)
I.ω².CS
2.E.CS
All of these
Less
More
Same
None of these
Be zero
Act in upward direction
Act in downward direction
None of these
Point or line contact between the two elements when in motion
Surface contact between the two elements when in motion
Elements of pairs not held together mechanically
Two elements that permit relative motion
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 the highest position
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position
Moved by the cam from beginning of ascent to the termination of descent
Base circle
Pitch circle
Prime circle
Outer circle
Base circle
Pitch circle
Prime circle
Pitch curve
60 to 80 r.p.m.
80 to 100 r.p.m.
100 to 200 r.p.m.
200 to 300 r.p.m.
Varies in magnitude but constant in direction
Varies in direction but constant in magnitude
Varies in magnitude and direction both
Constant in magnitude and direction both
Less than unity
Equal to unity
Greater than unity
Zero
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
Acceleration and velocity of the piston P is zero
Acceleration and velocity of the piston P is maximum
Acceleration of the piston P is zero and its velocity is maximum
Acceleration of the piston P is maximum and its velocity is zero
Ball and socket i
Piston and cylinder
Cam and follower
Both (A) and (B) above
30° V-engine
60° V-engine
120° V-engine
150° V-engine
8.95/N²
89.5/N²
895/N²
8950/N²
Primary unbalanced force
Secondary unbalanced force
Two cylinders of locomotive
Partial balancing
Ball and socket joint
Journal bearing
Lead screw and nut
Cam and follower
Piston, piston rod and crosshead
Connecting rod with big and small end brasses, caps and bolts
Crank pin, crankshaft and flywheel
All of the above
Equal to velocity ratio of a gear train
Reciprocal of velocity ratio of a gear train
Always greater than unity
Always less than unity
Sliding pairs
Turning pairs
Rolling pairs
Higher pairs
2π. √(g/δ)
1/2π. √(g/δ)
2π. √(δ/g)
1/2π. √(δ/g)
At the origin
Below the origin
Above the origin
Any one of these
Shaft revolving in a bearing
Straight line motion mechanisms
Automobile steering gear
All of the above
Simple train of wheels
Compound train of wheels
Reverted gear train
Epicyclic gear train
Shaft tends to vibrate in longitudinal direction
Torsional vibrations occur
Shaft tends to vibrate vigorously in transverse direction
Combination of transverse and longitudinal vibration occurs
Four times the first one
Same as the first one
One fourth of the first one
One and a half times the first one