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 parts
Provided with detachable caps
A. Similar to small size tap bolts except that a greater variety of shapes of heads are available
Brittle materials
Ductile materials
Plastic materials
Nonferrous materials
Both the ends fixed
Both the ends hinged
One end fixed and the other end hinged
One end fixed and the other end free
Bottom side only
Top side only
On both sides
Any side
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
Keeping the core diameter of threads equal to the diameter of unthreaded portion of the bolt
Keeping the core diameter smaller than the diameter of the unthreaded portion
Keeping the nominal diameter of threads equal to the diameter of unthreaded portion of the bolt
None of the above
Axial load only
Both radial and axial loads and the ratio of these being greater than unity
Radial load only
Both radial and axial loads and the ratio of these being less than unity
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
0.20
0.35
0.50
0.65
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
Flanged
Threaded
Bell and spigot
Expansion
3.6 N/mm² compression
3.6 N/mm² tension
7.2 N/mm² compression
7.2 N/mm² tension
The pitch of rivets is obtained by equating the tearing resistance of the plate to the shearing resistance of the rivets
The pitch of rivets should not be less than 2d, where d is the diameter of rivet hole
The maximum value of the pitch of rivets for a longitudinal joint of a boiler, as per I.B.R., is given by Pmax = C.t + 41.28 mm
According to I.B.R., the thickness of butt strap shall not be less than 5 mm
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
Leather
Rubber
Cotton duck
Balata gum
Angular bevel gears
Crown bevel gears
Internal bevel gears
Mitre gears
Power transmitted increases
Power transmitted decreases
Power transmitted increases to a maximum value and then decreases
Power transmitted remains the same
Low
High
Medium
None of these
Fine threads
Course threads
Coefficient of friction is greater than tangent of load angle
Hole for inserting split pin
Increases
Decreases
Remain same
None of these
Same
Coarser
Finer
Very fine
2000-3000 kg/m²
3000-4000 kg/cm²
4000-4500 kg/cm²
7500-10,000 kg/cm²
The efficiency of a self locking screw can not be more than 50%
The efficiency of Acme (trapezoidal) thread is less than that of a square thread
If the friction angle is less than the helix angle of the screw, then the efficiency will be more than 50%
(A) and (B) Only
Shoe brake
Band and block brake
Band brake
Internal expanding brake
Gd⁴/ 8D3n
Gd3/ 8D3n
Gd⁴/ 4D3n
Gd⁴/ 8D²n
Bolted joint
Knuckle joint
Cotter joint
Universal joint
Same
Higher
Lower
None of these
Which are not in exact alignment
Which are perfectly aligned
Whose axes intersect at a small angle
Have lateral misalignment
T/2
T
2T
4T
45 to 60 %
63 to 70 %
70 to 83 %
80 to 90 %
Static load
Dynamic load
Impact load
Completely reversed load