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
A. Shear strength is equal to crushing strength
Leather
Rubber
Canvas or cotton duck
Balata gum
0.75 t for narrow strap on the inside and 0.625 t for wide strap on the outside
0.75 t for wide strap on the inside and 0.625 t for narrow strap on the outside
0.75 t for both the straps on the inside and outside
0.625 t for both the straps on the inside and outside
0.75/ (0.75 + √v)
3/ (3 + v)
4.5/ (4.5 + v)
6/ (6 + v)
Flaring
Brazing
Soft soldering
Fusion welding
Eutectoid steel
Hypereutectoid steel
Hypo-eutectoid steel
None of these
29°
55°
47.3°
60°
Elastic limit
Strain
Factor of safety
Bulk modulus
l/2
l/√2
l
2 l
Maximum principal stress theory
Maximum shear stress theory
Maximum strain energy theory
Maximum distortion energy theory
0.1 and 0.25
0.25 and 0.50
0.50 and 0.75
0.75 and 1
Pan Head
Snap head
Counter sunk head
Conical head
10°
20°
30°
45°
Minor diameter
Major diameter
Pitch diameter
None of these
Material and geometry of the part
Geometry of the part
Material of the part
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
Increasing the initial tension in the belt
Dressing the belt to increase the coefficient of friction
Increasing wrap angle by using idler pulley
All of the above methods
Ductile material
Brittle material
Elastic material
Hard material
Measure forces
Apply forces
Store energy
All of these
Heavy load
Loose belt
Driving pulley too small
Any one of the above
d
1.25 d
1.5 d
1.75 d
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
M6
M8
M6 - 8d
M8 - 6d
Self locking bolt
Same as stud
Provided with hexagonal depression in head
Used in high speed components
Equal to
sinα times more than
sinα times less than
cosecα times more than
Spindles of bench vices
Railway carriage couplings
Feed mechanism of machine tools
Screw cutting lathes
Helical compression spring
Spiral spring
Torsion spring
Belleville spring
Nickel
Chromium
Nickel and chromium
Cobalt and molybdenum
Axial load plus stress due to bending
Acceleration/retardation of masses plus stress due to bending
Axial load plus stress due to acceleration/retardation
Bending plus stress due to acceleration/retardation
Be independent of ratio of mass of load W to mass of bar (y)
Increase with increase in y
Decrease with decrease in y
Depend on other considerations
Jam nut
Castle nut
Sawn nut
Ring nut