Has a head on one end and a nut fitted to the other
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded
Has pointed threads
B. Has head at one end and other end fits into a tapped hole in the other part to be joined
d = t
d = 1.6 t
d = 2t
d = 6t
Same
Higher
Lower
Depends on other factors
Have same value as that of standard specimen
Increase
Decrease
None of these
Single
Double
Triple share
None of these
d
1.5 d
2d
2.5 d
45 to 60 %
63 to 70 %
70 to 83 %
80 to 90 %
Variations in load acting on a member
Variations in properties of materials in a member
Abrupt change of cross-section
All of these
d.t.τu
πd.t.τu
π/4 × d².τu
π/4 × d² × t.τu
1.06
1.12
1.26
1.58
80 kN/mm²
100 kN/mm²
110 kN/mm²
210 kN/mm²
External load applied
Initial tension due to tightening of the bolt
Relative elastic yielding of the bolt and the connected members
All of the above
The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy
If Ixx > 4 Iyy, the buckling will occur about Y-axis
If Ixx < 4 Iyy, the buckling will occur about X-axis
The most suitable section for the connecting rod is T-section
Maximum principal stress theory
Maximum shear stress theory
Maximum strain energy theory
Maximum distortion energy theory
Thread
Middle
Shank
Head
Bolts and nuts
Studs
Headless taper bolts
None of these
Same time to reach earth
Times proportional to weight to reach earth
Times inversely proportional to weight to reach earth
None of the above
Minor diameter
Major diameter
Pitch diameter
None of these
0.5 to 1
1 to 2
3 to 5
5 to 10
Jam nut
Castle nut
Sawn nut
Ring nut
Prevent the belt from running off the pulley
Increase the power transmission capacity
Increase the belt velocity
Prevent the belt joint from damaging the belt surface
½
1
2
4
0.45
0.55
0.65
0.75
Zero
Less than one
Greater than one
None of these
Compression
Tension
Shear
Combined loads
In a direction parallel to the cam axis
In a direction perpendicular to the cam axis
In any direction irrespective of cam axis
Along the cam axis
The oil film pressure is generated only by the rotation of the journal
The oil film is maintained by supplying oil under pressure
Do not require external supply of lubricant
Grease is used for lubrication
Constant period
Fixed period
Dwell period
Idle period
More
Less
Same
None of these
Decreases the power transmitted
Increases the power transmitted
Increase the wrap angle
Increases the belt tension without increasing power transmission
Length of arc of recess to the circular pitch
Length of path of contact to the circular pitch
Length of arc of contact to the circular pitch
Length of arc of approach to the circular pitch