(π/4) d² × τ × n
1.875 × (π/4) d² × τ × n
2 × (π/4) d² × τ × n
3 × (π/4) d² × τ × n
B. 1.875 × (π/4) d² × τ × n
Diameter of bolt
0.75 × diameter of bolt
1.25 × diameter of bolt
1.5 × diameter of bolt
Lame's equation
Birnie's equation
Clavarinos' equation
All of these
Tensile stress
Compressive stress
Shear stress
Bending stress
14 ½° composite and full depth involute system
20° full depth involute system
20° stub system
None of the above
12
14
18
24
1.06
1.12
1.26
1.58
Normalising
Full annealing
Process annealing
Spheroidising
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
Woodruff key
Feather key
Flat saddle key
Gib head key
Rectangular
Elliptical
I-section
Any one of these
Transmission
Machine
Machine frame
None of these
Regain its original shape after deformation when the external forces are removed
Draw into wires by the application of a tensile force
Resist fracture due to high impact loads
Retain deformation produced under load permanently
d/2
d/3
3d/4
d/4
Elastic strength
Yield strength
Shear strength
None of these
Nickel
Chromium
Nickel and chromium
Cobalt and molybdenum
Gd⁴/ 8D3n
Gd3/ 8D3n
Gd⁴/ 4D3n
Gd⁴/ 8D²n
Compression
Tension
Shear
Combined loads
Load lifted to the effort applied
Mechanical advantage to the velocity ratio
Load arm to the effort arm
Effort arm to the load arm
Single
Double
Triple share
None of these
The pitch circle diameter is equal to the product of module and number of teeth
The addendum is less than dedendum
The pitch circle is always greater than the base circle
All of the above
The pitch of the thread is 24 mm and depth is 2 mm
Cross-sectional area of the threads is 24 mm²
The nominal diameter of bolt is 24 mm and pitch is 2 mm
The effective diameter of bolt is 24 mm and there are 2 threads per cm
8
12
18
20
Brittle materials
Ductile materials
Plastic materials
Nonferrous materials
Acme threads
Square threads
Buttress threads
Multiple threads
White metal
Silicon bronze
Monel metal
Phosphor bronze
Strong in buckling about X-axis
Strong in buckling about Y-axis
Equally strong in buckling about X-axis and Y-axis
Any one of the above
Heavy load
Loose belt
Driving pulley too small
Any one of the above
Tensile stress in bending
Shear stress
Compressive stress in bending
Fatigue stress
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
Copper
Mild steel
Aluminium
Zinc