The cold rolled shafting is stronger than hot rolled shafting
The hot rolled shafting is stronger than cold rolled shafting
The cold rolled and hot rolled shaftings are equally strong
The shafts are not made by rolling process
A. The cold rolled shafting is stronger than hot rolled shafting
Thread
Middle
Shank
Head
Whose upper deviation is zero
Whose lower deviation is zero
Whose lower as well as upper deviations are zero
Does not exist
40°
45°
38°
60°
p = D sin (90°/T)
p = D sin (120°/T)
p = D sin (180°/T)
p = D sin (360°/T)
Joining thick cylinders
Calculating stresses in thick cylinders
Pre-stressing thick cylinders
Increasing the life of thick cylinders
Varies linearly
Is uniform throughout
Varies exponentially, being more at the torque-input end
Varies exponentially, being less at the torque-input end
Half the angle between two inclined faces in axial plane
The angle between the tangent to the pitch helix and the plane of rotation
The angle between the tangent to the pitch helix and an element of the cylinder
None of the above
90° - φ
45° - φ
45° - φ/2
45° + φ/2
Length of arc of recess to the circular pitch
Length of path of contact to the circular pitch
Length of arc of contact to the circular pitch
Length of arc of approach to the circular pitch
1.2 d
1.6 d
2d
2.5 d
Sleeve bearings
Hydrodynamic bearings
Thin lubricated bearings
None of the above
Both sides of the actual size
One side of the actual size
One side of the nominal size
Both sides of the nominal size
2μ sinθ/(θ + sinθ)
μ sinθ/(2θ + sin 2θ)
4μ sinθ/(θ + sinθ)
4μ sinθ/(2θ + sin 2θ)
50°C above upper critical temperature
50°C below upper critical temperature
50°C above lower critical temperature
50°C below lower critical temperature
Shear strength is equal to crushing strength
Shear strength is greater than crushing strength
Shear strength is less than crushing strength
None of the above
To apply forces
To measure forces
To absorb shocks
To store strain energy
The effect of curvature of the cylinder wall is neglected
The tensile stresses are uniformly distributed over the section of the walls
The effect of the restraining action of the heads at the end of the pressure vessel is neglected
All of the above
Equal to
sinα times more than
sinα times less than
cosecα times more than
Along the axis of rotation
Parallel to the axis of rotation
Perpendicular to the axis of rotation
In any direction
Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt
Keeping the core diameter smaller than the diameter of the unthreaded portion
Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt
None of the above
Euler's formula
Rankine's formula
Johnson's straight line formula
Johnson's parabolic formula
√(T/m)
√(T/2m)
√(T/3m)
None of these
Uniform velocity
Simple harmonic motion
Uniform acceleration and retardation
Cycloidal motion
V-belt drive
Rope drive
Crossed flat belt drive
Chain drive
Crimped
Honed
Flared
Bent
Effective length of column to least radius of gyration of the column
Width of column to depth of column
Maximum size of column to minimum size of column
Effective length of column to width of column
Shaft B is better than shaft A
Shaft A is better than shaft B
Both the shafts are equally good
None of these
Brittle
Ductile
Elastic
Plastic
p.d.σt
p.t.σt
(p - d) σt
(p - d) t.σt
Increase the key length
Increase the key depth
Increase the key width
Decrease the key length