Which are perfectly aligned
Which are not in exact alignment
Which have lateral misalignment
Whose axes intersect at a small angle
C. Which have lateral misalignment
Bolts and nuts
Studs
Headless taper bolts
None of these
Ductile materials
Brittle materials
Elastic materials
All of the above
p.d.σt
p.t.σt
(p - d) σt
(p - d) t.σt
4430 mm as diameter of small pulley
4430 mm as nominal pitch length
4430 mm as diameter of large pulley
4430 mm as centre distance between pulleys
Zero film bearing
Boundary lubricated bearing
Hydrodynamic lubricated bearing
Hydrostatic lubricated bearing
Low efficiency
High efficiency
Very fine threads
Strong teeth
(6V/ π)1/2
(6V/ π)1/3
(6V/ π)2
(6V/ π)3
Jam nut
Castle nut
Sawn nut
Ring nut
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
d/2
d/3
3d/4
d/4
An axial compressive force
A tangential force
An axial tensile force
Any one of these
Equal to
Twice
Three times
Four times
Shafts are arranged at right angles and rotate in one definite direction
Shafts are arranged parallel and rotate in the opposite directions
Shafts are arranged parallel and rotate in the same directions
Driven shaft is to be started or stopped whenever desired without interfering with the driving shaft
Equal to
Less than
Greater than
None of these
Brittle materials
Ductile materials
Brittle as well as ductile materials
Elastic materials
Margin
Pitch
Back pitch
Diagonal pitch
Hydrostatic lubricated bearing
Hydrodynamic lubricated bearing
Boundary lubricated bearing
Zero film bearing
Less than 50 %
More than 50 %
Equal to 50 %
None of these
Maximum stress to the endurance limit
Nominal stress to the endurance limit
Maximum stress to the nominal stress
Nominal stress to the maximum stress
Angular bevel gears
Crown bevel gears
Internal bevel gears
Mitre gears
More than 50 %
Less than 50 %
Equal to 50 %
None of these
Brinell
Rockwell
Vickers
None of the above
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
Butt joint with single cover plate
Butt joint with double cover plate
Lap joint with one ring overlapping the other
Any one of the above
Bolted joint
Knuckle joint
Cotter joint
Universal joint
Friction angle is less than helix angle
Friction angle is more than helix angle
Friction angle is equal to helix angle
Efficiency of screw is 100%
Variation in properties of material from point to point in a member
Pitting at points or areas at which loads on a member are applied
Abrupt change of section
All of the above
Low
High
Moderate
None of these
Self locking bolts
Designed for shock load
Used in aircraft application
Provided with hexagonal depression in head
Shoe brake
Band and block brake
Band brake
Internal expanding brake