Total lift, total angle of lift, minimum radius of cam and cam speed
Radius of circular arc, cam speed, location of centre of circular arc and roller diameter
Mass of cam follower linkage, spring stiffness and cam speed
Total lift, centre of gravity of the cam and cam speed
A. Total lift, total angle of lift, minimum radius of cam and cam speed
Offset between centre lines of cam and follower
Lift of follower
Angle of ascent
All of the above
Whitworth quick return mechanism
Elliptical trammels
Rotary engine
Universal joint
Long drives
Short drives
Long and short drives
None of these
Lower pair
Higher pair
Open pair
Close pair
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
fn/2
2 fn
4 fn
8 fn
Crank
Connecting rod
Crank pin
Crosshead
(1/2) μ W R
(2/3) μ W R
(3/4) μ W R
μ W R
Stable
Unstable
Isochronous
Hunt
To move the ship towards starboard
To move the ship towards port side
To raise the bow and lower the stern
To raise the stern and lower the bow
Velocity
Displacement
Rate of change of velocity
All of the above
Equal to
Directly proportional to
Inversely proportional to
Independent of
Ball and socket joint
Journal bearing
Lead screw and nut
Cam and follower
Bolt and nut
Lead screw of a lathe
Ball and socket joint
Ball bearing and roller bearing
2ECS
ECS/2
2ECS²
2E²CS
One-half
Two-third
Three-fourth
Whole
(1/2). μ W cosecα (r₁ + r₂)
(2/3). μ W cosecα (r₁ + r₂)
(1/2). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]
(2/3). μ W cosecα [(r₁³ - r₂³)/(r₁² - r₂²)]
Spur gear
Helical gear
Bevel gear
None of the above
ω₁.ω₂.r
(ω₁ - ω₂) r
(ω₁ + ω₂) r
(ω₁ - ω₂) 2r
Hammer blow
Swaying couple
Variation in tractive force along the line of stroke
All of the above
The sum of the two masses is equal to the total mass of body
The centre of gravity of the two masses coincides with that of the body
The sum of mass moment of inertia of the masses about their centre of gravity is equal to the mass moment of inertia of the body
All of the above
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
Are not held together mechanically
Displacement of various parts
Velocity of various parts
Acceleration of various parts
Angular acceleration of various parts
On their point of contact
At the centre of curvature
At the centre of circle
At the pin joint
30° V-engine
60° V-engine
120° V-engine
150° V-engine
Along the angular velocity
Opposite to angular velocity
May be any one of these
Perpendicular to angular velocity
ω sinθ/(n² - sin²θ)1/2
ω cosθ/(n² - cos²θ)1/2
ω sinθ/(n² - cos²θ)1/2
ω cosθ/(n² - sin²θ)1/2
Fluctuation of speed
Maximum fluctuation of speed
Coefficient of fluctuation of speed
None of these
sinα = b/c
cosα = c/b
tanα = c/2b
cotα = c/2b
Double helical gears having opposite teeth
Double helical gears having identical teeth
Single helical gear in which one of the teeth of helix angle a is more
Mutter gears