Both ends hinged
Both ends fixed
One end fixed and the other end hinged
One end fixed and the other end free
A. Both ends hinged
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
10 times
5 times
15 times
20 times
Very fine threads
High efficiency
Low efficiency
Strong teeth
Joint may not open up
Bolts are weakest elements
The resultant load on the bolt would not be affected by the external cyclic load
Bolts will not loosen during service
Equal to
Less than
Greater than
None of these
Tensile strength
Compressive strength
Shear strength
Bending strength
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
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
Basic size is 100 mm
Actual size is 100 mm
Difference between the actual size and basic size is 100 mm
None of the above
Metric
Square
Buttress
Acme
Mild steel
High speed steel
Stainless steel
Aluminium
Both sides of the actual size
One side of the actual size
One side of the nominal size
Both sides of the nominal size
Always in single shear
Always in double shear
Either in single shear or double shear
Any one of these
½
1
2
4
Tensile stress in bending
Shear stress
Compressive stress in bending
Fatigue stress
For conveying steam
In water and sewage systems
In pressure lubrication systems on prime movers
All of the above
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
Same in both cases
2 times more
3 times more
4 times more
1.2 d
1.6 d
2d
2.5 d
Transmission
Machine
Machine frame
None of these
Normalising
Full annealing
Process annealing
Spheroidising
18% nickel and 8% chromium
18% chromium and 8% nickel
18% nickel and 8% vanadium
18% vanadium and 8% nickel
(WD/ πd3) × K
(2WD/ πd3) × K
(4WD/ πd3) × K
(8WD/ πd3) × K
Power transmitted increases
Power transmitted decreases
Power transmitted increases to a maximum value and then decreases
Power transmitted remains the same
0.45
0.55
0.65
0.75
Measure forces
Apply forces
Store energy
All of these
2.5
2.8
3.0
3.5
Decreasing the cross-section area of bar
Increasing the cross-section area of bar
Remain unaffected with cross-section area
Would depend upon other factors
Parallel
Perpendicular
Both A and B
None of these
Surface
Just below the surface
Within the core
None of the above