Q.1
Which of the following statement is correct?
Q.2
Which of the following statement is correct?
Q.3
Which of the following statement is correct?
Q.4
Which of the following statement is correct?
Q.5
A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called
Q.6
The backlash for spur gears depends upon
Q.7
When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is
Q.8
The shear stress at a point in a shaft subjected to a torque is
Q.9
The edges of a boiler plate are bevelled to an angle of
Q.10
The shear plane in case of bolts should
Q.11
In case of V belt drive
Q.12
In a transverse fillet welded joint, the size of weld is __________ the throat of weld.
Q.13
The radial distance of a tooth from the pitch circle to the top of the tooth is called
Q.14
In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to
Q.15
The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress.
Q.16
In order to permit the thermal expansion/contraction of tubing, it should be
Q.17
The rolling contact bearings are known as
Q.18
Deep groove ball bearings are used for
Q.19
When the screw in a mechanical screw jack rotates, the load kept on the top of it moves
Q.20
If a material fails below its yield point, failure would be due to
Q.21
In a butt welded joint, the size of weld is __________ the throat of weld.
Q.22
A compound cylinder with inner radius 50 mm and outer radius 70 mm is made by shrinking one cylinder on to the other cylinder, the junction radius is 60 mm and the junction pressure is 1.1 N/mm². The maximum hoop stress developed in the inner cylinder is
Q.23
A backing ring is used inside the pipe joint when making a
Q.24
In a steam engine, the piston rod is usually connected to the cross-head by means of a
Q.25
Which of the following statement is correct regarding power screws?
Q.26
A locking device extensively used in marine type connecting rod ends is a
Q.27
A connecting rod should be
Q.28
A screw is said to be over hauling screw, if the
Q.29
When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of loads
Q.30
Creep in belt is due to
Q.31
The spring mostly used in gramophones is
Q.32
In designing a connecting rod, it is considered like __________ for buckling about X-axis.
Q.33
In designing a connecting rod, it is considered like __________ for buckling about Y-axis.
Q.34
Tensile strength of a mild steel specimen can be roughly predicted from following hardness test
Q.35
The material used for brake lining should have __________ coefficient of friction.
Q.36
Form coefficient of spring is
Q.37
The piston pin bearings in heavy duty diesel engines are
Q.38
A locking device extensively used in automobile industry is a
Q.39
The design calculations for members subject to fluctuating loads with the same factor of safety, yield the most conservative estimates when using
Q.40
The elasticity is the property of a material which enables it to
Q.41
The plasticity is the property of a material which enables it to
Q.42
Taper usually provided on cotter is
Q.43
The included angle between the sides of V-belt is
Q.44
The width of the pulley should be __________ width of the belt.
Q.45
The gears are termed as medium velocity gears, if their peripheral velocity is
Q.46
For hardening alloy steels and high speed steels, they are heated to
Q.47
In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to
Q.48
If shearing stress in nut is half the tensile stress in a bolt, then nut length should be equal to
Q.49
The maximum stress due to stress concentration in a bar having circular transverse hole, as compared to its static stress without hole will be
Q.50
The largest diameter of an external or internal screw thread is known as
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