Question: Removal of props under______________?

• 1. slabs spanning upto 4.5 m is 14 days
• 2. beams spanning upto 6 m is 14 days
• 3. slabs spanning upto 4.5 m is 7 days
• 4. All the above

Question: The spans of filler joists supporting a slab may be considered approximately equal if the longest span does not exceed the shortest span more than__________________?

• 1. 5%
• 2. 10%
• 3. 15%
• 4. 25%

Question: All reinforcement should be free from_________________?

• 1. paints
• 2. loose rust
• 3. loose mill scales
• 4. All the above

Question: The permissible bending stresses Pbet for steel slab bases should not exceed_______________?

• 1. 1500 kg/cm2
• 2. 1650 kg/cm2
• 3. 1800 kg/cm2
• 4. 1890 kg/cm2

Question: Pick up the correct statement from the following?

• 1. For steel castings, the minimum tensile strength is 41 kg/mm2 and minimum yield stress is 20.5 kg/mm2
• 2. For high tensile steel, the minimum tensile strength is 58 kg/mm2
• 3. For mild steel the minimum tensile strength is 44 kg/mm2 and minimum elongation of 23% on a gauge length of 5.65A
• 4. All the above

Question: The anchorage value of standard U-type hook of a reinforcing bar of diameter d in tension, is______________?

• 1. 4 d
• 2. 8d
• 3. 12 d
• 4. 16 d

Question: Pick up the correct statement from the following?

• 1. The diameter of a rivet, before driving is taken as the nominal diameter of the rivet
• 2. The diameter of the rivet hole is taken as the gross area of the rivet
• 3. For rivets of nominal diameters less than 25 mm, the diameter of the rivet hole is taken as the nominal diameter of the rivet plus 1.5 mm
• 4. All the above

Question: Pick up the correct statement from the following?

• 1. The minimum pitch of rivets should not be less than 2.5 times the diameter of the rivet hole
• 2. The distance between centres of two adjacent rivets in line with the direction of stress shall not
• 3. The distance between the centres of two adjacent rivets in line with the direction of stress shall not exceed 12 t or 203 mm whichever is less in compression members
• 4. All the above

Question: Pick up the correct statement for the web stiffeners?

• 1. d is the distance between flange angles or the clear distance between flanges
• 2. vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
• 3. for horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
• 4. all the above

Question: Moist sand may contain surface water by mass upto__________________?

• 1. 1.25%
• 2. 2.5%
• 3. 5.0%
• 4. 7.5%