Same
Higher
Lower
Depends on other factors
C. Lower
0.75/ (0.75 + √v)
3/ (3 + v)
4.5/ (4.5 + v)
6/ (6 + v)
Increases
Decreases
Remains unchanged
None of these
1
2
3
4
Tension
Shear
Compression
All of the above
(1 - sinφ)/ (1 + sinφ)
(1 + sinφ)/ (1 - sinφ)
(1 - sinφ)/ (1 + cosφ)
(1 + cosφ)/ (1 - sinφ)
Brittle
Ductile
Elastic
Plastic
18
16
20
22
Bolted joint
Knuckle joint
Cotter joint
Universal joint
Along the axis of rotation
Parallel to the axis of rotation
Perpendicular to the axis of rotation
In any direction
Bending moment only
Twisting moment only
Combined bending moment and twisting moments
Combined action of bending moment, twisting moment and axial thrust
Nil or lightest
Maximum
Average
Any one of the above
Long column
Short column
Strut
All of these
Spindles of bench vices
Railway carriage couplings
Feed mechanism of machine tools
Screw cutting lathes
X-axis as neutral axis
Y-axis as neutral axis
X-axis or Y-axis as neutral axis
Z-axis
Addendum
Dedendum
Clearance
Working depth
Bolt
Tap bolt
Stud
None of these
Bolts and nuts
Studs
Headless taper bolts
None of these
0.5 times
Equal to
2 times
Double
Stiffness
Ductility
Resilience
Plasticity
Tensile stress
Compressive stress
Shear stress
None of these
A key is used as a temporary fastening
A key is subjected to tensile stresses
A key is always inserted parallel to the axis of the shaft
A key prevents relative motion between the shaft and boss of the pulley
Master leaf
Lower leaf
Upper leaf
None of these
Heavy load
Loose belt
Driving pulley too small
Any one of the above
4F/ πd²
6F/ πd²
8F/ πd²
16F/ 3πd²
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
Guest's theory
Rankine's theory
St Venant's theory
Von Mises theory
Low
High
Medium
None of these
10°
20°
30°
45°
Increasing velocity ratio
For applying tension
Changing the direction of motion of belt
All of these
5 N-m
7 N-m
10 N-m
15 N-m