Mass and stiffness
Mass and damping coefficient
Mass and natural frequency
Damping coefficient and natural frequency
A. Mass and stiffness
Minimum
Zero
Maximum
None of these
In increasing velocity ratio
In decreasing the slip of the belt
For automatic adjustment of belt position so that belt runs centrally
Increase belt and pulley life
r sinφ
r cosφ
r tanφ
(r/2) cosφ
Ellipse
Circle
Parabola
Hyperbola
The former is mathematically accurate
The former is having turning pair
The former is most economical
The former is most rigid
(1/2) μ W R
(2/3) μ W R
(3/4) μ W R
μ W R
Lower pair
Higher pair
Self-closed pair
Force-closed pair
n/2
n
n - 1
n(n - 1)/2
Double slider crank chain
Elliptical trammel
Scotch yoke mechanism
All of these
The system is critically damped
There is no critical speed in the system
The system is also statically balanced
There will absolutely no wear of bearings
A single plane
Two planes
Three planes
Four planes
(ω₁ + ω₂)y
(ω₁/ω₂)y
(ω₁ × ω₂)y
(ω₁ + ω₂)/y
Incompletely constrained motion
Partially constrained motion
Completely constrained motion
Successfully constrained motion
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
Equal to 1
Less than 2
Equal to 2
Greater than 2
The power absorbed in operating the piston valve is less than D-slide valve
The wear of the piston valve is less than the wear of the D-slide valve
The D-slide valve is also called outside admission valve.
All of the above
D/T
T/D
2D/T
2T/D
Diameter of disc
Span of shaft
Eccentricity
All of these
Crank has uniform angular velocity
Crank has nonuniform angular velocity
Crank has uniform angular acceleration
Crank has nonuniform angular acceleration
The broken belt only
All the belts
The broken belt and the belts on either side of it
None of the above
Uniform velocity
Simple harmonic motion
Uniform acceleration and retardation
Cycloidal motion
Dead weight governor
Pendulum type governor
Spring loaded governor
Inertia governor
0° and 90°
180° and 360°
Both (A) and (B)
None of these
ω × AB
ω × (AB)²
ω² × AB
(ω × AB)²
A small value of pressure angle
A large value of pressure angle
There is no such relation with pressure angle
Something else
The friction force is dependent on the materials of the contact surfaces.
The friction force is directly proportional to the normal force.
The friction force is independent of me area of contact.
All of the above
Hammer blow
Swaying couple
Variation in tractive force along the line of stroke
All of the above
Dynamically balanced
Statically balanced
Statically and dynamically balanced
Not balanced
Closed pair
Open pair
Mechanical pair
Rolling pair
10°
14°
20°
30°