Two elements held together mechanically
Two elements having relative motion
Two elements having Coriolis component
Minimum of two instantaneous centres
B. Two elements having relative motion
Sum
Difference
Product
Ratio
The difference between the maximum and minimum energies is called maximum fluctuation of energy
The coefficient of fluctuation of speed is the ratio of maximum fluctuation of speed to the mean speed
The variations of energy above and below the mean resisting torque line is known as fluctuation of energy
None of the above
Have line contact
Have surface contact
Permit relative motion
Are held together
Whole of the mechanism in the Ackerman steering gear is on the back of the front wheels
The Ackerman steering gear consists of turning pairs
The Ackerman steering gear is most economical
Both (A) and (B)
Parallel to AB
Perpendicular to AB
Along AB
At 45° to AB
T/3
(T.g)/3
√(T/3m)
√(3m/T)
x₁/x₂
log(x₁/x₂)
loge(x₁/x₂)
log(x₁.x₂)
Cross head
Slider crank
Connecting rod
Gudgeon pin
r sinφ
r cosφ
r tanφ
(r/2) cosφ
A single mass in different planes
Two masses in any two planes
A single mass in one of the planes of the revolving masses
Two equal masses in any two planes
0.4985/√δ
0.5615/√δ
0.571/√δ
0.6253/√δ
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
Centripetal component of acceleration with length of link
Tangential component of acceleration with length of link
Resultant acceleration with length of link
All of the above
Open pair
Closed pair
Sliding pair
Point contact pair
Zero
Less than one
Greater than one
Infinity
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
2 W CE / CS
W CE / 2CS
W CE / CS
W CS / 2CE
Structure
Machine
Inversion
Compound mechanism
No acceleration
Only linear acceleration
Only angular acceleration
Both linear and angular acceleration
Rolling pair
Sliding pair
Screw pair
Turning pair
(1 - sinφ)/(1 + sinφ)
(1 + sinφ)/(1 - sinφ)
(1 - tanφ)/(1 + tanφ)
(1 + tanφ)/(1 - tanφ)
Point contact
Surface contact
No contact
None of the above
h/kG
h²/kG
kG²/h
h × kG
Acceleration and velocity of the piston P is zero
Acceleration and velocity of the piston P is maximum
Acceleration of the piston P is zero and its velocity is maximum
Acceleration of the piston P is maximum and its velocity is zero
Knife edge follower
Flat faced follower
Spherical faced follower
Roller follower
Long drives
Short drives
Long and short drives
None of these
For changing the direction of motion of the belt
For applying tension
For increasing velocity ratio
All of the above
Same
Opposite
Perpendicular
None of these
l = (1/2).(j + 2)
l = (2/3).(j + 2)
l = (3/4).(j + 3)
l = j + 4
Is in motion
Is at rest
Just begins to slide over the surface of the other body
None of the above