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
B. In a direction parallel to the cam axis
Material of the belt
Material of the pulley
Uneven extensions and contractions due to varying tension
All of the above
Low starting and low running friction except at very high speeds
Accuracy of shaft alignment
Small overall dimensions
All of the above
Minor diameter
Major diameter
Pitch diameter
None of these
0.45
0.55
0.65
0.75
3.6 N/mm² compression
3.6 N/mm² tension
7.2 N/mm² compression
7.2 N/mm² tension
8
6
4
2
Free from corrosion
Stronger in tension
Free from stress
Leak-proof
Short bearing
Long bearing
Medium bearing
Square bearing
It is subjected to a higher cyclic loading than the outer side
It is subjected to a higher stress than the outer side
It is more stretched than the outer side during the manufacturing process
It has a lower curvature than the outer side
Both ends hinged
Both ends fixed
One end fixed and the other end hinged
One end fixed and the other end free
Heavy load
Loose belt
Driving pulley too small
All of the above
Less than 50 %
More than 50 %
Equal to 50 %
None of these
Decreases the power transmitted
Increases the power transmitted
Increase the wrap angle
Increases the belt tension without increasing power transmission
Bending stress only
A combination of torsional shear stress and bending
Direct shear stress only
A combination of bending stress and direct shear stress
1 in 24 to 1 in 20
1 in 15 to 1 in 10
1 in 32 to 1 in 24
1 in 48 to 1 in 24
Torque in each shaft is the same
Shear stress in each shaft is the same
Angle of twist of each shaft is the same
Torsional stiffness of each shaft is the same
Knuckle threads
Square threads
Acme threads
Buttress threads
Dependent on number of teeth of a gear
Dependent on system of teeth
Independent of size of teeth
All of these
40°
122°
136°
152°
Longitudinal stress
Circumferential stress
Shear stress
None of these
To apply forces
To measure forces
To absorb shocks
To store strain energy
1
1/π
π
π × number of teeth
1 kN-m
2 kN-m
3 kN-m
4 kN-m
Spigot and socket cotter joint
Sleeve and cotter joint
Gib and cotter joint
Any one of these
Static load
Dynamic load
Static as well as dynamic load
Completely reversed load
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
Combined effect of transverse shear stress and bending stress in the wire
Combined effect of bending stress and curvature of the wire
Combined effect of transverse shear stress and curvature of wire
Combined effect of torsional shear stress and transverse shear stress in the wire
Regains its original shape after deformation when the external forces are removed
Draw into wires by the application of a tensile force
Resists fracture due to high impact loads
Retain deformation produced under load permanently
Metric
Square
Buttress
Acme
Bottom of groove of the pulley
Sides and bottom of groove of the pulley
Anywhere in the groove of the pulley
Sides of groove of the pulley