(1/2π). √(kG/g)
(1/2π). √(2kG/g)
2π. √(kG/g)
2π. √(2kG/g)
D. 2π. √(2kG/g)
Minimum
Zero
Maximum
None of these
0°
90°
180°
360°
45°
90°
135°
180°
l = 2p - 2
l = 2p - 3
l = 2p - 4
l = 2p - 5
The interference is inherently absent.
The variation in centre distance of shafts increases radial force.
A convex flank is always in contact with concave flank.
The pressure angle is constant throughout the teeth engagement.
Two forks
One fork
Three forks
Four forks
For changing the direction of motion of the belt
For applying tension
For increasing velocity ratio
All of the above
(1/2) μ W R cosec α
(2/3) μ W R cosec α
(3/4) μ W R cosec α
μ W R cosec α
2 W CE / CS
W CE / 2CS
W CE / CS
W CS / 2CE
45° in the direction of rotation of the link containing the path
45° in the direction opposite to the rotation of the link containing the path
90° in the direction of rotation of the link containing the path
180° in the direction opposite to the rotation of the link containing the path
Straight line
Circle
Ellipse
Parabola
60 to 80 r.p.m.
80 to 100 r.p.m.
100 to 200 r.p.m.
200 to 300 r.p.m.
Decrease the variation of speed
Maximize the fuel economy
Limit the vehicle speed
Maintain constant engine speed
Simple gear train
Compound gear train
Reverted gear train
Epicyclic gear train
l - 2
l - 1
l
l + 1
Cause withdrawing or throttling of steam
Reduce length of effective stroke of piston
Reduce maximum opening of port to steam
All of these
Scott-Russell's mechanism
Hart's mechanism
Peaucellier's mechanism
All of these
(1/2). μ W cosecα (r₁ + r₂)
(2/3). μ W cosecα (r₁ + r₂)
(1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]
(2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]
Remains unaffected
Decreases
Increases
None of these
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
Difference between the maximum and minimum energies
Sum of the maximum and minimum energies
Variations of energy above and below the mean resisting torque line
Ratio of the mean resisting torque to the workdone per cycle
Yes
No
It is a marginal case
Data are insufficient to determine it
Simple gear train
Compound gear train
Reverted gear train
Epicyclic gear train
15
28
30
8
Straight line path
Hyperbolic path
Parabolic path
Elliptical path
Lower pairs
Higher pairs
Rolling pairs
Turning pairs
Parallel
Perpendicular
Both A and B
None of these
Tension on tight side of belt
Tension on slack side of belt
Radius of pulley
All of the above
Can be used
Cannot be used
Unpredictable
None of these
Pitch circle
Base circle
Prime circle
Outer circle