2000-3000 kg/m²
3000-4000 kg/cm²
4000-4500 kg/cm²
7500-10,000 kg/cm²
C. 4000-4500 kg/cm²
Guest's theory
Rankine's theory
St Venant's theory
Von Mises theory
Static load
Dynamic load
Static as well as dynamic load
Completely reversed load
Ductile material
Brittle material
Elastic material
Hard material
45 to 60 %
63 to 70 %
70 to 83 %
80 to 90 %
Direction of twist of wires in strands is opposite to the direction of twist of strands
Direction of twist of wires and strands are same
Wires in two adjacent strands are twisted in opposite direction
Wires are not twisted
Outer diameter
Hole diameter
Thickness
Mean diameter
Mild steel
High speed steel
Stainless steel
Aluminium
Sleeve bearings
Hydrodynamic bearings
Thin lubricated bearings
None of the above
Low
High
Moderate
None of these
Zero at the centroidal axis
Zero at the point other than centroidal axis
Maximum at the neutral axis
None of these
Maximum principal stress theory
Maximum shear stress theory
Maximum strain energy theory
Maximum distortion energy theory
Knuckle joint
Cotter joint
Oldham coupling
Universal joint
[(√P1 + √P2)/2]²
P1 + P2
2 × (P1 + P2)
[2 × (P1 + P2)] + Pc Where Pc is centrifugal tension
18% nickel and 8% chromium
18% chromium and 8% nickel
18% nickel and 8% vanadium
18% vanadium and 8% nickel
√(T/m)
√(T/2m)
√(T/3m)
None of these
Plasticity
Elasticity
Ductility
Malleability
Angular bevel gears
Mitre gears
Internal bevel gears
Crown bevel gears
Woodruff key
Feather key
Flat saddle key
Gib head key
Thickness of plates to be riveted
Length of rivet
Diameter of head
Nominal diameter
Both the ends fixed
Both the ends hinged
One end fixed and the other end hinged
One end fixed and the other end free
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
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
Bolt
Tap bolt
Stud
None of these
Power transmitted increases
Power transmitted decreases
Power transmitted increases to a maximum value and then decreases
Power transmitted remains the same
Initial tension
External load applied
Sum of the initial tension and external load applied
Initial tension or external load, whichever is greater
At bottom
At sides only
Both at bottom and sides
Could touch anywhere
Material of the belt
Material of the pulley
Uneven extensions and contractions due to varying tension
All of the above
Material and geometry of the part
Geometry of the part
Material of the part
None of these
40°
45°
38°
60°
1100 to 1300°C
1300 to 1500°C
500 to 600°C
700 to 900°C