Leather
Rubber
Cotton duck
Balata gum
B. Rubber
Gerber relation
Soderberg relation
Goodman relation
None of these
1.06
1.12
1.26
1.58
Tensile stress
Bending stress
Bearing stress
Shear stress
Always in single shear
Always in double shear
Either in single shear or double shear
Any one of these
Dun cylinder
Hollow shaft
Solid shaft
Thick cylinder
8
4
2
6
Master leaf
Lower leaf
Upper leaf
None of these
Bolts and nuts
Studs
Headless taper bolts
None of these
The ratio of endurance limit with stress concentration to the endurance limit without stress concentration
The ratio of endurance limit without stress concentration to the endurance limit with stress concentration
The product of the endurance limits with and without stress concentration
All of the above
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
Tensile strength
Compressive strength
Shear strength
Bending strength
A taper key which fits half in the key way of hub and half in the key way of shaft
A taper key which fits in a key way of the hub and is flat on the shaft
A taper key which fits in a key way of the hub and the bottom of the key is shaped to fit the curved surface of the shaft
Provided in pairs at right angles and each key is to withstand torsion in one direction only
Increasing its shank diameter
Decreasing its shank diameter
Tightening the bolt properly
Making the shank diameter equal to core diameter of thread
Addendum
Dedendum
Clearance
Working depth
Woodruff key
Feather key
Flat saddle key
Hollow saddle key
0.45
0.55
0.65
0.75
Bending moment only
Twisting moment only
Combined bending moment and twisting moments
Combined action of bending moment, twisting moment and axial thrust
(k₁ k₂)/ (k₁ + k₂)
(k₁ - k₂)/ (k₁ + k₂)
(k₁ + k₂)/ (k₁ k₂)
(k₁ - k₂)/ (k₁ k₂)
Thick film
Thin film
Either A or B
None of these
ISO metric thread
Acme thread
Square thread
Buttress thread
εc + 2εl
2εc + εl
εc + εl²
εc² + εl
Brinell
Rockwell
Vickers
None of the above
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
Is provided with pointed threads
Material of belt
Material of pulley
Materials of belt and pulley
Belt velocity
Circular pitch
Diametral pitch
Module
None of these
Square
Acme
Buttress
BSW
Bondability
Embeddability
Comformability
Fatigue strength
T₁/T₂ = μθ
log (T₁/T₂) = μθ
T₁/T₂ =eμθ
T₁/T₂ = log μθ
The strength of the shaft
The rigidity of the shaft
Both the strength and rigidity of the shaft
The ductility of the shaft
Muff coupling
Compression coupling
Flange coupling
All of these