Ball and socket joint
Journal bearing
Lead screw and nut
Cam and follower
A. Ball and socket joint
Offset between centre lines of cam and follower
Lift of follower
Angle of ascent
All of the above
Single slider crank chain
Whitworth quick return motion mechanism
Crank and slotted lever quick return motion mechanism
All of the above
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
Broken belt
Broken belt and its adjacent belts
All the belts
There is no need of changing any one as remaining belts can take care of transmission of load
Dedendum
Addendum
Clearance
Working depth
The broken belt only
All the belts
The broken belt and the belts on either side of it
None of the above
The algebraic sum of the primary forces must be equal to zero
The algebraic sum of the couples about any point in the plane of the primary forces must be equal to zero
Both (A) and (B)
None of these
Turning pair
Rolling pair
Screw pair
Spherical pair
0
2
4
6
Pendulum type governor
Dead weight governor
Spring loaded governor
Inertia governor
Turning only
Sliding only
Rolling only
Partly turning and partly sliding
sinφ + sinα = b/c
cosφ - sinα = c/b
cotφ - cotα = c/b
tanφ + cotα = b/c
ω (r₁ r₂) sinθ
ω (r₁ + r₂) sinθ sec2θ
ω (r₁ r₂) cosθ
ω (r₁ + r₂) cosθ cosec2θ
Less sensitive
More sensitive
Unaffected of sensitivity
Isochronous
4, 4
4, 5
5, 4
4, 6
R (1 - cosθ)
(R - r₁) (1 - cosθ)
R (1 - sinθ)
(R - r₁) (1 - sinθ)
Inside admission valve
Outside admission valve
Piston slide valve
None of these
Longitudinal vibration
Torsional vibration
Transverse vibration
Damped free vibration
Four bar linkage
6 bar linkage
8 bar linkage
3 bar linkage
Primary forces and couples must be balanced
Secondary forces and couples must be balanced
Both (A) and (B)
None of these
30° V-engine
60° V-engine
120° V-engine
150° V-engine
The power absorbed in operating the piston valve is less than D-slide valve
The wear of the piston valve is less than the wear of the D-slide valve
The D-slide valve is also called outside admission valve.
All of the above
The net dynamic force acting on the shaft is equal to zero
The net couple due to the dynamic forces acting on the shaft is equal to zero
Both (A) and (B)
None of the above
n₁ + n₂
n₁ + n₂ + 1
n₁ + n₂ - 1
n₁ + n₂ - 2
Lower pair
Higher pair
Turning pair
Sliding pair
95 mm
Slightly less than 95 mm
Slightly more than 95 mm
45 mm
One-half
Two-third
n times
1/n times
Hammer blow
Swaying couple
Variation in tractive force along the line of stroke
All of the above
Rack and pinion
Worm and wheel
Spiral gears
None of the above
Higher pair
Lower pair
Rolling pair
Sliding pair