1) What is Flat Slab?
Ans: The slab which is
supported on columns.
2) What is the slope of staircase?
Ans: It should be 250 to 400.
3) What is Durability?
Ans: Ability to
withstand under pressure is called Durability.
4) What do you mean by Reinforced Concrete?
Ans: Reinforced Concrete comprises of steel bars or mesh inside them, which gives additional
strength to the structure.
5) How much binding wire is used for binding one MT Reinforcement?
Ans: Approximate 10-12 kg.
6) What is the quantity of steel per square
feet in High Rise Buildings?
Ans: Approximate 6kg/sqft
of built-up area.
7) Rolling Margin in Steel Reinforcement as
per IS 1786:1985?
Ans: 8 dia to 10 dia + 7%
10 dia
to <= 16 dia + 5%
>16
dia + 3%
8) IS code for bending &
fixing of bars and most useful for making BBS?
Ans: IS: 2502.
9) How to calculate the lap length of steel bar?
Ans: Beam- 60 X D
Column-
45 X D.
10) What is the standard length of steel bar?
Ans: 12 Meter.
11) Types
of loads in building?
Ans: Gravity load &
Lateral load.
12) What is the full form of HYSD and CTD and MS?
Ans: HYSD – High Yield Strength Deformed
CTD – Cold Twisted Deformed
MS – Mild
Steel.
13) Chair bar minimum spacing?
Ans: 1 Sq.m – 1 no’s.
14) How to calculate the no of stirrups?
Ans: No of stirrups = (Clear
span/ spacing) +1
15) How much Clear
Cover provided for main Reinforcement
Ans: Footing = 50mm
Raft Foundation Top =50mm
Raft
Foundation Bottom Sides =75mm
Column
= 40mm
Beam =
25mm
Slab =15 to 25 mm
Staircase =15mm.
16) What Is the Weight of Steel?
Ans: 6mm = 0.222kg 20mm=2.466kg
8mm=0.395kg 25mm=3.853kg
10mm=0.313kg 32mm=6.313kg
12mm=0.88kg 40mm=9.865kg
16mm=1.578kg.
17)
Function of stirrups.
Ans:
Stirrups are provided to hold the main bar in position, or to handle the shear force.
18) What
do you mean by the moment of inertia?
Ans: A quantity expressing a body's tendency to resist angular acceleration,
which is the sum of the products of the mass of each particle in the body with the square of it distance from the axis of rotation.
19) What
is a crank length in the slab?
Ans:
The crank length in Slab is 0.42 D. Where, D is Depth of Slab.
D=Top cover - Bottom Cover.