Knife edge follower
Flat faced follower
Spherical faced follower
Roller follower
D. Roller follower
Bending moment only
Twisting moment only
Combined bending moment and twisting moments
Combined action of bending moment, twisting moment and axial thrust
Sleeve bearings
Hydrodynamic bearings
Thin lubricated bearings
None of the above
Low efficiency
High efficiency
Very fine threads
Strong teeth
Intersecting and the teeth are curved
Non-intersecting and nonparallel and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight
None of the above
Varies linearly
Is uniform throughout
Varies exponentially, being more near the torque-input end
Varies exponentially, being less near the torque-input end
Elastic strength
Yield strength
Shear strength
None of these
Muff coupling
Compression coupling
Flange coupling
All of these
Elastic limit to the working stress
Elastic limit to the yield point
Endurance limit to the working stress
Young's modulus to the ultimate tensile strength
When the maximum shear stress in a biaxial stress system reaches the shear stress at elastic limit in a simple tension test
When the maximum principal stress in a biaxial stress system reaches the elastic limit of the material in a simple tension test
When the strain energy per unit volume in a biaxial stress system reaches the strain energy at the elastic limit per unit volume as determined from a simple tension test
When the maximum principal strain in a biaxial stress system reaches the strain at the elastic limit as determined from a simple tension test
Same
Coarser
Finer
Very fine
Increase the key length
Increase the key depth
Increase the key width
Decrease the key length
Remains constant at all speeds
Is minimum at zero speed and increases monotonically with increase in speed
Is maximum at zero speed and decreases monotonically with increase in speed
Becomes minimum at an optimum speed and then increases with further increase in speed
d
1.5 d
2.5 d
2 d
Single
Double
Triple share
None of these
Low
High
Moderate
None of these
Tensile stress
Bending stress
Bearing stress
Shear stress
Joint may not open up
Bolts are weakest elements
The resultant load on the bolt would not be affected by the external cyclic load
Bolts will not loosen during service
In decreasing the slip of the belt
In increasing the slip of the belt
To keep the belt in centre on a pulley while it is in motion
To increase pulley life
Centroidal axis
Neutral axis
Inside fibre
Outside fibre
Foundation purposes
Absorbing shock and vibrations
Transmission of power
Lifting and transportation of machines and cubicles
d/2
d/3
3d/4
d/4
Has a head on one end and a nut fitted to the other
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded
Has pointed threads
Carbon content is 2%
Maximum compressive strength is 200 N/mm²
Minimum tensile strength is 200 N/mm²
Maximum shear strength is 200 N/mm²
One-eighth
One-fourth
One-half
Double
On both the sides
On one side only
On none of the sides
May be provided anywhere
12
14
18
24
Elliptical cross-section
Major axis in plane of rotation
Major axis twice the minor axis
All the three characteristics
120°
180°
270°
360°
Gerber relation
Soderberg relation
Goodman relation
None of these
4430 mm as diameter of small pulley
4430 mm as nominal pitch length
4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys