Steel Structures Fundamentals interview questions

1. 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
2. B.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
3. C.IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
4. D.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section

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1. A.E250 (Fe410) structural steel
2. B.Bolt grade 4.6
3. C.Purlin
4. D.Gantry girder

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1. 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
2. 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
3. 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
4. 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

Answer + AI explanation with Pro

1. A.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
2. B.property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
3. C.IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
4. 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

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1. A.Net area of a tension member
2. B.Bolt grade 4.6
3. C.Fatigue in steel
4. D.Purlin

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1. 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
2. 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
3. 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
4. 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

Answer + AI explanation with Pro

1. A.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
2. B.gross area minus bolt holes, each hole taken as bolt diameter plus 2 mm clearance for M16 to M24 bolts
3. C.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
4. D.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes

Answer + AI explanation with Pro

1. A.Fatigue in steel
2. B.Bolt grade 4.6
3. C.Shear lag
4. D.Net area of a tension member

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. 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

Answer + AI explanation with Pro

1. A.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
2. B.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
3. C.property class whose first number times 100 gives 400 N/mm² ultimate strength and whose product times 10 gives 240 N/mm² yield strength
4. D.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes

Answer + AI explanation with Pro

1. A.E250 (Fe410) structural steel
2. B.Purlin
3. C.Gantry girder
4. D.Block shear

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. D.Purlin — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section

Answer + AI explanation with Pro

1. A.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
2. 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
3. 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
4. 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

Answer + AI explanation with Pro

1. A.Net area of a tension member
2. B.Block shear
3. C.Gantry girder
4. D.Bolt grade 4.6

Answer + AI explanation with Pro

1. 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
2. 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
3. C.Block shear — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
4. 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

Answer + AI explanation with Pro

1. A.gross area minus bolt holes, each hole taken as bolt diameter plus 2 mm clearance for M16 to M24 bolts
2. 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
3. C.non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
4. 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

Answer + AI explanation with Pro

1. A.Fatigue in steel
2. B.Shear lag
3. C.Lug angle
4. D.Gantry girder

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. D.Shear lag — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section

Answer + AI explanation with Pro

1. 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
2. B.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section
3. C.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
4. D.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

Answer + AI explanation with Pro

1. A.Fatigue in steel
2. B.Gantry girder
3. C.Lug angle
4. D.Purlin

Answer + AI explanation with Pro

1. A.Lug angle — IS 2062 grade with 250 N/mm² yield and 410 N/mm² ultimate strength, the default mild steel for rolled sections and plates
2. B.Lug angle — 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
3. C.Lug angle — non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
4. D.Lug angle — gross area minus bolt holes, each hole taken as bolt diameter plus 2 mm clearance for M16 to M24 bolts

Answer + AI explanation with Pro

1. A.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
2. B.non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section
3. C.crane-rail beam designed for moving wheel loads with lateral surge and a 25 percent vertical impact allowance for electric overhead cranes
4. D.secondary roof member spanning between trusses or rafters that carries sheeting load to the truss nodes, typically a Z, C or angle section

Answer + AI explanation with Pro

1. A.Purlin
2. B.Fatigue in steel
3. C.Block shear
4. D.Gantry girder

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. 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

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. D.non-uniform stress in a tension member whose outstanding leg is not connected, reducing the effective net area of the section

Answer + AI explanation with Pro

1. A.Lug angle
2. B.Bolt grade 4.6
3. C.Fatigue in steel
4. D.Net area of a tension member

Answer + AI explanation with Pro

1. 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
2. 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
3. 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
4. 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

Answer + AI explanation with Pro