W sinθ
W cosθ
W tanθ
W cosecθ
A. W sinθ
Pitch circle
Base circle
Pitch curve
Prime circle
ω
ωr
ω²r
ω/r
Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses.
Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses
Varies as the square root of the speed
Varies inversely with the square of the speed
Lower pair
Higher pair
Self-closed pair
Force-closed pair
Less than unity
Equal to unity
Greater than unity
Zero
One-third
Two-third
Double
Three times
2ECS
ECS/2
2ECS²
2E²CS
Less sensitive
More sensitive
Unaffected of sensitivity
Isochronous
0° and 90°
0° and 180°
90° and 180°
180° and 360°
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
Longitudinal vibrations
Transverse vibrations
Torsional vibrations
None of these
D₁/D₂
D₂/D₁
D₁.D₂
D₁
The tip of a tooth of a mating gear digs into the portion between base and root circles
Gears do not move smoothly in the absence of lubrication
Pitch of the gears is not same
Gear teeth are undercut
(Length of the path of approach)/(Circular pitch)
(Length of path of recess)/(Circular pitch)
(Length of the arc of contact)/(Circular pitch)
(Length of the arc of approach)/cosφ
No node
One node
Two nodes
Three nodes
Remains unaffected
Decreases
Increases
None of these
Cylinder and piston
Piston rod and connecting rod
Crankshaft and flywheel
Flywheel and engine frame
Each of the four pairs is a turning pair
One is a turning pair and three are sliding pairs
Two are turning pairs and two are sliding pairs
Three are turning pairs and one is a sliding pair
1
2
3
4
(1/2). μ W cosec α (r₁ + r₂)
(2/3).μ W cosec α (r₁ + r₂)
(1/2). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)]
(2/3). μ W cosec α [(r₁³ - r₂³)/(r₁² - r₂²)]
Toothed gearing
Belt and rope drive
Ball and roller bearing
All of these
Pitch circle
Base circle
Addendum circle
Dedendum circle
Velocity of slider
Angular velocity of the link
Both (A) and (B)
None of these
Increases power transmitted
Decreases power transmitted
Have no effect on power transmitted
Increases power transmitted upto a certain speed and then decreases
Less
More
Same
None of these
Straight line
Parabolic curve
Triangle
Rectangle
Slow speed
Moderate speed
Highs peed
Any one of these
10° to 20°
20° to 30°
30° to 40°
60° to 80°
ω √(x² - r²)
ω √(r² - x²)
ω² √(x² - r²)
ω² √(r² - x²)
Mean force exerted at the sleeve for a given percentage change of speed
Workdone at the sleeve for maximum equilibrium speed
Mean force exerted at the sleeve for maximum equilibrium speed
None of the above