If diameter of rivets is 9mm, then margin can be taken as?
a) 13.5mm
b) 12.5mm
c) 11.5mm
d) 9mm
Q.2.
Which of the following rivet head consist of frustum of cone attached to the shank?
a) Pan head rivet
b) Countersunk head rivet
c) Flat head rivet
d) Cone head rivet
Q.3.
Among flat head and snap head rivet, which has the higher head height?
a) Snap
b) Flat
c) Equal
d) There is no such relation
Q.4.
Which of the following are used in light sheet metal work?
a) Tinmen’s rivets
b) Snap head rivets
c) Button head rivets
d) Each of the mentioned
Q.5.
Two plates each of thickness t are to be riveted together. If length of shank portion necessary to form the closing head is a, then length of rivet shank is given by?
a) 2t+a
b) 2(t+a)
c) t+2a
d) Can’t be determined
Q.6.
A strap is used in a lap joint which is riveted to each of the two plates.
a) True
b) False
Q.7.
What is the other name for pitch?
a) Transverse pitch
b) Back pitch
c) Row pitch
d) None of the listed
Q.8.
Are the rivets subjected any bending moment in case of lap joint?
a) Yes
b) No
Q.9.
Lozenge joint is a kind of lap joint.
a) True
b) False
Q.10.
Can we use rivets of the same materials as the parts to be joined?
a) True
b) False
Q.11.
Failure in rivet occurs by which mode?
a) Shear
b) Compression
c) Tensile
d) Each of the mentioned
Q.12.
Fullering is done with a pointed tool.
a) True
b) False
Q.13.
Calculate the diameter of the rivets by shear considerations if permissible shear stress in rivets is 60N/mm² and P=15kN.
a) 6mm
b) 7mm
c) 9mm
d) 8mm
Q.14.
Calculate the diameter of the rivets by crushing consideration if permissible compression stress in rivets is 120N/mm², thickness of plate 3mm and P=15kN.
a) 10.4mm
b) 11.5mm
c) 9.2mm
d) 8.6mm
Q.15.
Calculate width of the band if permissible tensile stress is 80N/mm². Force P=15kN and diameter of the rivet can be taken as 9mm. Given thickness=3mm
a) 80.5mm
b) 79.5mm
c) 76.66mm
d) 54.6mm
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