0.5
1
1.5
2
B. 1
Eight links
Six links
Four links
Twelve links
2 links and 3 turning pairs
3 links and 4 turning pairs
4 links and 4 turning pairs
5 links and 4 turning pairs
Balancing partially revolving masses
Balancing partially reciprocating masses
Best balancing of engines
All of these
One
Two
Four
Six
Material of the pulley
Material of the belt
Larger size of the driver pulley
Uneven extensions and contractions due to varying tension
Increases
Decreases
Remain unaffected
First increases and then decreases
T = W.r tan(φ - α)
T = W.r tan(φ + α)
T = W.r tanα
T = W.r tanφ
0°
90°
180°
270°
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
n/2
n
n - 1
n(n - 1)/2
The reaction on me inner wheels increases and on the outer wheels decreases
The reaction on the outer wheels increases and on the inner wheels decreases
The reaction on the front wheels increases and on the rear wheels decreases
The reaction on the rear wheels increases and on the front wheels decreases
Straight line
Circle
Ellipse
Parabola
ω/2π
2π/ω
ω × 2π
π/ω
Coupler link is fixed
Longest link is a fixed link
Slider is a fixed link
Smallest link is a fixed link
Slider crank mechanism
Four bar chain mechanism
Quick return motion mechanism
All of these
π (r₁ + r₂) + [(r₁ + r₂)²/x] + 2x
π (r₁ + r₂) + [(r₁ - r₂)²/x] + 2x
π (r₁ - r₂) + [(r₁ - r₂)²/x] + 2x
π (r₁ - r₂) + [(r₁ + r₂)²/x] + 2x
sinφ
cosφ
secφ
cosecφ
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
To raise the bow and stern
To lower the bow and stern
To raise the bow and lower the stern
To raise the stern and lower the bow
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
Crank has a uniform angular velocity
Crank has non-uniform velocity
Crank has uniform angular acceleration
Crank has uniform angular velocity and angular acceleration
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
Will remain same
Will change
Could change or remain unaltered depending on which link is fixed
Will not occur
Slow speed
Moderate speed
Highs peed
Any one of these
h/kG
h²/kG
kG²/h
h × kG
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
Lower pairs
Higher pairs
Rolling pairs
Turning pairs
r sinφ
r cosφ
r tanφ
(r/2) cosφ
Turning only
Sliding only
Rolling only
Partly turning and partly sliding