Ans. 25 degree. Mostly used is 35 degrees.
New Question in 2022 for G+1& G+4 steel contracting
Q1. W/Cis mix of
Ans. Water to cement ratio with respect to weight.
Q2. Minimum days to deshutter the beam sides
A: 1 B:3 C:7 D: 14
Q3) Cube test is taken for or done for
Ans. To determine the compressive strength of concrete.
Q4) Water content increase in concrete than
Ans. Compressive strength of concrete decrease while the workability increase.
Q5) Adding admixtures in concrete
A: increase durability B: reduce segregation C: increase workability D: All
They also help in frost resistance and sulfate resistance.
Q6) Curing of concrete is
Ans. Adding adequate water while concrete is gaining strength or keeping concrete m oisture to allow
the hydration reaction.
Q7) HEA 280B height is ? H= 270 W=280 see the table for full understanding.
A: 300 B: 270 C: 400 D: 280
Q8) Ub 533x210 height is_?533
Ans. 533 inches is the height or depth and 210 is width.
Q9) UPN is ?
Ans. Channels
Q10. HEA which standard?
Ans. European standard steel beams.
Q11) 205x205x97 weight per m?
Ans. 97 kg/m
Q12) Yield strength of grade 60 steel?
Ans. 60000 pounds per square inch or 420 Mpa
Q13) Yield strength of grade 60 steel 16mm?
Ans. 60000 pounds per square inch or 420 Mpa
Q14) Yield strength of grade43(S275 new name) steel 63 mm?
Ans. 255 N/mm2 while for grade50 is 335 N/mm2
Q15) Eave connection between?
Ans. Column and beam
Q16) Allowable sway in column with full block work while wind force?
Ans. H/400 to H/500. Mostly used h/500
Q17) Vertical deflection of floors members for DL+LL?
Ans. Span/240 or L/240
Q18) When large radius of gyration is not required?
Ans. Channel flanges are kept inward.
Q19) Plate girdersoutside Flanget is?
Ans. 16t
Q20) Minimum thickness of plate in PreEngineering?
Ans. 6mm
Q21) Battern plates?
Ans. Are steel plates uniting the angles or flanges of composite girders, columns or strut.
Q22) Laced strut design when?
Ans. Rx>Ry means when there is eccentric load to carry. Like earth quake and wind load.
Q23) Compressive forces acting and member of longitudinal support named?
A: Column B: strut C: post D: stanchion E: All
Q24) Horizontal forces transverse to rails for electric operated cranes?
Ans. 109% of the vertical load.
Q25) Minimum inclination?
Ans. 20 degrees
Q26) HE 300B width is ?
Ans. B=300 and h= 300
Q27) Column moulds deshuttering time after casting concrete?
A: 2 days B:5 days C:7 days D: 10 days
Q28) Footing deshuttering time?
A:3 days B:7 days C:5 days D: 1 day
Q29) Water content increase in concrete, compressive strength wil?
Ans. Decrease
q30) Allowable temperature of concrete while casting?
A: 28C B: 30 C: 36 D: 32C0
Q31) In super structure concrete, which type of cement is used?
Ans. OPC
Q32) In sub structure concrete, which cement is used?
Ans. SRC(sulfate resisting cement)
Q33) Column clear cover for below ground level?
A: 15mm B: 100mm C: 50mm D: Any one
Q34) 533x210x122 weight per meter?
A: 533 B: 210 C: 122 D: 500
Q35) Apex connection is in between?
A: beam & beam B: beam & column C: column & column D: anywhere
Q36) Two equal wheel loads act where maximum bending moment?
A: L/4 B: L/3 C: near support D: L/2
Q37) A36 118 kn.M than which beam is safest?
A: 500 B: 700 C: 900 D: 3200 (the greater the section modulus the safer the beam)
Q38) Which of the following is weld test method?
A: LPI B: magnetic test C: ultrasonic sound test D: All
Q39) Tie beam cover below ground level is?
Ans. 50mm
Q40) Batten plate height or depth?
C: 23 times of width D: 2 times of width
A: 4 times of width B:6 times oft
Q41) RHS is which hollow section?
Ans. Rectangular hollow section
Q42) UPN is?
A: beam section B: column section C:Ibeam D: channel section
Q43) Grade50 yield strength for 16mm plate?
A: 335 B: 275 C: 235 D: 355
Q44) Impact load for crane girders for electric operated crane is?
Ans. 25% of the vertical load.
Q45) The effective length of Simply supported beam restrained against torsion and flanges restrain
partially against lateral bending is ?
A: L B: 0.75L C: 0.7L D: 0.85L
Q46) intermediate vertical stiffeners in plate girder need to be provided if the depth of web exceeds?
A: S0t B: 100t C: 200t D: 85t
Q47) The effective length of a battened column is increased by?
A: 20% B: 15% C: 5% D: 10%
Q48) Fora cantilever beam of length Lbuilt in at the support and restrained against torsion at the free
end, the effective length is?
A: 0.5L B: 2L C: 0.7L D: 0.75L
Q49) For a cantilever beam of length Lcontinuous at the support and unrestrained against torsion at
the support and free end, the effective length is?
Ans. 3L
Q50) The effective length of a compression member of length Lheld in position and restrained in
direction at both ends is?
Ans. 0.67L
Recent Exam G+12 and Unlimited in 2022 & 2023
Q1) Tops of all piles shall be embedded at least in concrete pile cap.
A: 150mm B: 100mm C: 125mm D: 75mm
Q2) The distance between the center of gravity of compression and center of gravity of tension of the
steel beams is called
A: Overall depth B: clear depth C: total depth D: Effective depth
Q3) In plate girder bending moment is primarily resisted by
A: Web Plate B: flange angle C: Flange plate D: All
