27 real Steel Structures Fundamentals questions from the Civil Core bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.
1. What is E250 (Fe410) structural steel?
Junior
A.property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
B.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
C.IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
D.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
A.E250 (Fe410) structural steel — short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced
B.E250 (Fe410) structural steel — property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
C.E250 (Fe410) structural steel — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
D.E250 (Fe410) structural steel — IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
5. Which term means: "property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength"?
A.Bolt grade 4.6 — property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
B.Bolt grade 4.6 — IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
C.Bolt grade 4.6 — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
D.Bolt grade 4.6 — crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
A.Net area of a tension member — property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
B.Net area of a tension member — tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
C.Net area of a tension member — gross area minus bolt holes, each hole taken as bolt diameter plus 2 mm clearance for M16 to M24 bolts
D.Net area of a tension member — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
11. Which term means: "secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section"?
A.Purlin — secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
B.Purlin — crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength
C.Purlin — IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
D.Purlin — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
A.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
B.short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced
C.crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength
D.tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
14. Which term means: "tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets"?
A.Block shear — tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
B.Block shear — secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
C.Block shear — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
D.Block shear — crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
A.gross area minus bolt holes, each hole taken as bolt diameter plus 2 mm clearance for M16 to M24 bolts
B.short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced
C.non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
D.crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength
A.Shear lag — IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
B.Shear lag — crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
C.Shear lag — tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
D.Shear lag — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
20. Which term means: "short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced"?
23. Which term means: "crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes"?
A.Gantry girder — property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
B.Gantry girder — crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
C.Gantry girder — short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced
D.Gantry girder — secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
A.property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
B.tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
C.crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength
D.non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
26. Which term means: "crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength"?
A.Fatigue in steel — short angle at a connection that engages the outstanding leg of a tension member so the joint length and number of bolts can be reduced
B.Fatigue in steel — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
C.Fatigue in steel — crack growth under repeated stress cycles below yield at welds and stress concentrations, governed by detail category and number of cycles rather than static strength
D.Fatigue in steel — tearing out of a block of material at a bolted end along a shear plane plus a perpendicular tension plane, checked for tension members and gussets
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