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ESE 2021 Technical Quiz || Structural Fasteners
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Question 1
Statement (I): The permissible stresses in steel are increased by 331/3 percent when the effect of wind or seismic load is taken into account.
Statement (II): The permissible stress in bolts are increased by 662/3 percent when the effect of wind or seismic load is taken into account.
Question 2
An angle ISA 
is connected to a gusset plate 5 mm thick, with 16 mm bolts. What is the bearing strength of the bolt when the hole diameter is 16 mm and the allowable bearing stress is 250 MPa?
is connected to a gusset plate 5 mm thick, with 16 mm bolts. What is the bearing strength of the bolt when the hole diameter is 16 mm and the allowable bearing stress is 250 MPa? Question 3
A mild steel flat subjected to a tensile force of 840 kN is connected to a gusset plate using rivets. If the permissible forces required per pitch length
1) to shear a single rivet.
2) to crush the rivet and
3) to tear the palte are 50 kN, 80 kN and 60 kN respectively, then the number of rivets required is
1) to shear a single rivet.
2) to crush the rivet and
3) to tear the palte are 50 kN, 80 kN and 60 kN respectively, then the number of rivets required is
Question 4
Math List-I and List-II and choose the correct option using the codes given below
List – I (Definition)
P. Failure governed by yielding
Q. Failure governed by ultimate stress
R. Failure governed by buckling
List-II (Partial factor of safety as per IS 800 : 2007)
1) 1.10
2) 1.25
3) 1.50
Question 5
Given below is fillet weld subjected to direct load and bending moment.
Size of fillet weld = 6 mm
Use steel of grade 410 and shop welding
As per IS 800: 2007, the equivalent stress in MPa will be.
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Jul 8ESE & GATE CE
