190. Tacking rivets in tension members, are provided at a pitch in line not exceeding
A. 25 cm
B. 50 cm
C. 75 cm
D. 100 cm.
191. The greatest gauge of long rivets should not exceed, where d is the diameter of the holes.
A. 2 d
B. 4 d
C. 6 d
D. 8 d
192. The diameter of a bolt hole is taken as the nominal diameter of the bolt plus
A. 1.0 mm
B. 1.2 mm
C. 1.4 mm
D. 1.6 mm
193. The maximum length of 6 mm fillet weld required to connect a tie bar 80 mm x 8 mm with a gusset plate 8 mm thick, assuming permissible stress in tension as 1500 kg/cm2, is
A. 20.32 cm
B. 21.32 cm
C. 22.32 cm
D. 23.32 cm.
194. The strength of ISA 125 = 75 x 10 min used as a tie member with its longer leg connected at the ends by 27 mm diameter rivets, is
A. 26,000 kg
B. 26,025 kg
C. 26,050 kg
D. 26,075 kg
195. The stress in the wall of a thin cylinder subjected to internal pressure, is
A. hoop compression
B. shear
C. torsional shear
D. hoop tension,
196. Water pressure in a 80 cm water main is 10 kg/cm2. The minimum thickness of the metal required for the water main, not to be stressed more than 200 kg/cm2, is
A. 1 cm
B. 1.5 cm
C. 2 cm
D. 2.5 cm
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