l = (1/2).(j + 2)
l = (2/3).(j + 2)
l = (3/4).(j + 3)
l = j + 4
B. l = (2/3).(j + 2)
(1 - sinφ)/(1 + sinφ)
(1 + sinφ)/(1 - sinφ)
(1 - tanφ)/(1 + tanφ)
(1 + tanφ)/(1 - tanφ)
On their point of contact
At the centre of curvature
At the centre of circle
At the pin joint
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
95 mm
Slightly less than 95 mm
Slightly more than 95 mm
45 mm
l = (1/2).(j + 2)
l = (2/3).(j + 2)
l = (3/4).(j + 3)
l = j + 4
ω √(x² - r²)
ω √(r² - x²)
ω² √(x² - r²)
ω² √(r² - x²)
The former is mathematically accurate
The former is having turning pair
The former is most economical
The former is most rigid
P = W tan(α - φ)
P = W tan(α + φ)
P = W tan(φ - α)
P = W cos(α + φ)
Between I₁, and I₂ but nearer I₁
Between I₁, and I₂ but nearer to I₂
Exactly in the middle of the shaft
Nearer to I₁ but outside
Crank
Connecting rod
Crank pin
Crosshead
The reaction on me inner wheels increases and on the outer wheels decreases
The reaction on the outer wheels increases and on the inner wheels decreases
The reaction on the front wheels increases and on the rear wheels decreases
The reaction on the rear wheels increases and on the front wheels decreases
Bolt and nut
Lead screw of a lathe
Ball and socket joint
Ball bearing and roller bearing
Inner dead centre
Outer dead centre
Right angles to the link of the stroke
All of the above
(m.g + S₁)/(m.g + S₂) = r₁/r₂
(m.g - S₁)/(m.g - S₂) = r₂/r₁
S₁/S₂ = r₁/r₂
S₂/S₁ = r₁/r₂
Increases as the radius of rotation decreases
Increases as the radius of rotation increases
Decreases as the radius of rotation increases
Remains constant for all radii of rotation
Inner edge
Outer edge
Corners
None of these
Diameter of disc
Span of shaft
Eccentricity
All of these
2π. √(q/I)
2π qI
(1/2π). √(q/I)
1/2π
Lower pair
Higher pair
Self-closed pair
Force-closed pair
Toothed gearing
Belt and rope drive
Ball and roller bearing
All of these
Increases
Decreases
Remain same
None of these
Number of cycles per hour
Number of cycles per minute
Number of cycles per second
None of these
Increases
Decreases
Remain unaffected
First increases and then decreases
Leads the sliding velocity vector by 90°
Lags the sliding velocity vector by 90°
Is along the sliding velocity vector
Leads the sliding velocity vector by 180°
Sum
Difference
Product
Ratio
Mass
Stiffness
Mass and stiffness
Stiffness and eccentricity
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
Is a simplified version of instantaneous centre method
Utilises a quadrilateral similar to the diagram of mechanism for reciprocating engine
Enables determination of coriolis component
Is based on the acceleration diagram
Dependent on the size of teeth
Dependent on the size of gears
Always constant
Always variable
2π. √(g/δ)
1/2π. √(g/δ)
2π. √(δ/g)
1/2π. √(δ/g)