Incompletely constrained motion
Partially constrained motion
Completely constrained motion
Successfully constrained motion
A. Incompletely constrained motion
Completely constrained motion
Incompletely constrained motion
Successfully constrained motion
None of these
0°
90°
180°
360°
2ECS
ECS/2
2ECS²
2E²CS
Bulky
Wears rapidly
Difficult to manufacture
Both (A) and (B) above
Circular
Tangent
Reciprocating
None of the above
Screw pair
Spherical pair
Turning pair
Sliding pair
sin (θ + φ) + 1/ cos (θ - φ) + 1
cos (θ - φ) + 1/ sin (θ + φ) + 1
cos (θ + φ) + 1/ cos (θ - φ) + 1
cos (θ - φ) + 1/ cos (θ + φ) + 1
Minimum
Maximum
Zero
Infinity
Completely constrained motion
Incompletely constrained motion
Successfully constrained motion
None of these
Enhance the load carrying capacity of the jack
Reduce the effort needed for lifting the working load
Reduce the value of frictional torque required to be countered for lifting the load
Prevent the rotation of load being lifted
Simple gear train
Reverted gear train
Sun and planet gear
Differential gear
Along PO
Perpendicular to PO
At 45° to PO
None of the above
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
Bolt and nut
Lead screw of a lathe
Ball and socket joint
Ball bearing and roller bearing
In plane rotation with variable velocity
In plane translation with variable velocity
In plane motion which is a resultant of plane translation and rotation
Restrained to rotate while sliding over another body
Universal joint
Knuckle joint
Oldham's coupling
Flexible coupling
Point or line contact between the two elements when in motion
Surface contact between the two elements when in motion
Elements of pairs not held together mechanically
Two elements that permit relative motion
2 mm
2.22 mm
2.50 mm
3.0 mm
Point or line contact between the two elements when in motion
Surface contact between the two elements when in motion
Elements of pairs not held together mechanically
Two elements that permit relative motion
2π. √(q/I)
2π qI
(1/2π). √(q/I)
1/2π
Above
Below
At
None of these
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)
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
l₁ = kG
l₂ = kG
l₁l₂ = kG
l₁l₂ = kG²
Hammer blow
Swaying couple
Variation in tractive force along the line of stroke
All of the above
One
Two
Four
Six
sinφ + sinα = b/c
cosφ - sinα = c/b
cotφ - cotα = c/b
tanφ + cotα = b/c
n₁ + n₂
n₁ + n₂ + 1
n₁ + n₂ - 1
n₁ + n₂ - 2
Two links should be fixed
One link should be fixed
None of the links should be fixed
There is no such criterion
tan (α + φ)/tanα
tanα/tan (α +φ)
tan (α - φ)/tanα
tanα/tan (α - φ)