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
B. Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses
cosθ = sinα
sinθ = ± tanα
tanθ = ± cosα
cotθ = cosα
Below the critical speed
Near the critical speed
Above the critical speed
None of these
During which the follower returns to its initial position
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
Dead weight governor
Pendulum type governor
Spring loaded governor
Inertia governor
ωv
2ωv
ω²v
2ωv²
Have a surface contact when in motion
Have a line or point contact when in motion
Are kept in contact by the action of external forces, when in motion
Permit relative motion
sinφ + sinα = b/c
cosφ - sinα = c/b
cotφ - cotα = c/b
tanφ + cotα = b/c
Radial component only
Tangential component only
Coriolis component only
Radial and tangential components both
α = 45° + φ/2
α = 45° - φ/2
α = 90° + φ
α = 90° - φ
(1/2).Iω²
Iω²
(1/2). I ω ωP
I ω ωP
Because of difficulty in manufacturing cam profile
Because of loose contact of follower with cam surface
In order to have acceleration in beginning and retardation at the end of stroke within the finite limits
Because the uniform velocity motion is a partial parabolic motion
The control of speed fluctuations
Balancing of forces and couples
Kinematic analysis
Vibration analysis
Lower pairs
Higher pairs
Rolling pairs
Turning pairs
The algebraic sum of the secondary forces must be equal to zero
The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero
Both (A) and (B)
None of these
(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)]
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
Be zero
Act in upward direction
Act in downward direction
None of these
0° and 90°
90° and 180°
135° and 315°
270° and 360°
sinβ
cosβ
cosecβ
secβ
1/2π × √(s/m)
1/2π × √(g/δ)
0.4985/√δ
Any one of these
Permanent instantaneous centres
Fixed instantaneous centres
Neither fixed nor permanent instantaneous centres
None of the above
Stable
Unstable
Isochronous
None of these
A round bar in a round hole form a turning pair
A square bar in a square hole form a sliding pair
A vertical shaft in a foot step bearing forms a successful constraint
All of the above
Zero
Less than one
Greater than one
Infinity
P = W tan α
P = W tan (α + φ)
P = W (sin α + μ cos α)
P = W (cos α + μ sin α)
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
ωr [sin θ + (sin 2θ/n)]
ωr [cos θ + (cos 2θ/n)]
ω²r [sin θ + (sin 2θ/n)]
ω²r [cos θ + (cos 2θ/n)]
Equal to sum of other two
Greater than sum of other two
Less than sum of other two
There is no such relationship
On their point of contact
At the centre of curvature
At the centre of circle
At the pin joint
Pendulum pump
Oscillating cylinder engine
Rotary internal combustion engine
All of these