ESTIMATING AND COSTING QUIZ

Ball valves

Stop-cocks

All of these

Bib-cocks

None of these

Cub. m

Sq. m

Meters

Height, length, breadth

Breadth, length, height

None of these

Length, breadth, height

At the end of reinforcing bar, not less than 25 mm or twice the diameter of the bar

For reinforcing longitudinal bar in a beam 25 mm minimum or diameter of the largest bar which is more

In thin slabs, 12 mm minimum or diameter of the bar whichever is more

All of these

3.5 m³

1.5 m³

5.0 m³

2.5 m³

Lift and wall including landing

Area of cantilevered porch

Area of the walls at the floor level

Internal shaft for sanitary installations up to 2 sq m. in area

The centre line is worked out separately for different sections of walls of a building

Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item

The centre line length is reduced by half the layer of main wall joining the partition wall

All of these

3250 m³

3300 m³

3225 m³

3275 m³

All of these

1.20 liters for 15 users

1.35 for 20 users

1.80 liters for 5 to 10 users

√[d² × (ds)²]

2 L.D √(1 + s²)

L.D √(1 + s²)

d × d × s