Half
Same
Double
None of the above
C. Double
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
Above
Below
At
None of these
(1/2) × √(σ² + 4τ²)
√(σ² + 4τ²)
(1/2) × [σ + √(σ² + 4τ²)]
σ + √(σ² + 4τ²)
Diameter of both the shafts is same
Angle of twist of both the shafts is same
Material of both the shafts is same
Twisting moment of both the shafts is same
Foundation purposes
Absorbing shock and vibrations
Transmission of power
Lifting and transportation of machines and cubicles
In a direction perpendicular to the cam axis
In a direction parallel to the cam axis
In any direction irrespective of cam axis
Along the cam axis
1/sinθ
1/cosθ
1/tanθ
sinθ cosθ
Tip of the pinion and flank of gear
Tip of the gear and flank of pinion
Flanks of both gear and pinion
Tip of both gear and pinion
Elastic strength
Yield strength
Shear strength
None of these
Same
Coarser
Finer
Very fine
0.70
0.25
0.40
0.55
d + 17 mm
2d + 13 mm
2d + 20 mm
3.5d
Transmission
Machine
Machine frame
None of these
Metric threads of 33 numbers in 2 cm
Metric threads with cross-section of 33 mm
Metric threads of 33 mm outside diameter and 2 mm pitch
Bolt of 33 mm nominal diameter having 2 threads per cm
Very serious in brittle materials and less serious in ductile materials
Very serious in ductile materials and less serious in brittle materials
Equally serious in both types of materials
Seriousness would depend on other factors
Helical spring
Conical spring
Flat spiral spring
Volute spring
[(√P1 + √P2)/2]²
P1 + P2
2 × (P1 + P2)
[2 × (P1 + P2)] + Pc Where Pc is centrifugal tension
45°
60°
75°
90°
5°
8°
15°
25°
Finishing and polishing
Shotpeening
De-carburisation
Electroplating
Similar to small size tap bolts except that a greater variety of shapes of heads are available
Slotted for a screw driver and generally used with a nut
Used to prevent relative motion between two parts
Similar to stud
45 to 60 %
63 to 70 %
70 to 83 %
80 to 90 %
Lame's equation
Birnie's equation
Clavarinos' equation
All of these
Master leaf
Lower leaf
Upper leaf
None of these
Thick lubricated bearings
Plastic bearings
Antifriction bearings
Thin lubricated bearings
Actual size and the corresponding basic size
Maximum limit and the basic size
Minimum limit and the basic size
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
Has pointed threads
Material of belt and pulley
Slip of belt
Speed of belt
All of these
Low
High
Medium
None of these
Increases markedly
Decreases markedly
Remain same
Depends on heat treatment carried out