127. Thickness of strap for double strap joint in terms of thickness of plate t is equal to
A.0.4t
B.0.6t to t
C.1.2t
D.1.75t
128. The stress concentration in a riveted joint with unequal width cover plates as compared to one with equal width straps will be
A.Less
B.More
C.Equal
D.Depends on size of plate and diameter of rivet
129. With the percentage increase of carbon in steel
A.Strength of steel decreases
B.Hardness of steel decreases
C.Brittleness of steel decreases
D.Ductility of steel decreases
130. Factor of safety is the ratio of
A.Yield stress/working stress
B.Tensile stress/working stress
C.Compressive stress/working stress
D.Bearing stress/working stress
131. The rivets which are heated and then driven in the field are known as
A.Power driven shop rivets
B.Power driven filed rivets
C.Hand driven rivets
D.Cold driven rivets
132. Cold driven rivets range from
A.6 to 10 mm in diameter
B.10 to 16 mm diameter
C.12 to 22 mm in diameter
D.22 to 32 mm in diameter
133. In an eccentric riveted connection, the rivets have to resist
A.Linear displacement
B.Rotary displacement
C.Linear as well as rotary displacements
D.Linear or rotary displacement
Page 19 of 43