Environmental Engineering (3160611) MCQs

MCQs of House Drainage

Showing 21 to 30 out of 53 Questions
1 2 3 4 5 6
21.

What is the preferred class of iron pipes?

(a)

A
(b)

B
(c)

C
(d)

D
Answer:

Option (c)

22.

What is the preferred size of water closet pan?

(a)

10”
(b)

15”
(c)

20”
(d)

25”
Answer:

Option (d)

23.

What is the capacity of the preferred low level flushing cistern?

(a)

10 litres
(b)

15 litres
(c)

20 litres
(d)

25 litres
Answer:

Option (b)

24.

What is the diameter of flush pipe?

(a)

 30 mm
(b)

32 mm
(c)

34 mm
(d)

36 mm
Answer:

Option (b)

25.

What is the size of preferred taps for wash basins?

(a)

10 mm
(b)

12 mm
(c)

14 mm
(d)

15 mm
Answer:

Option (b)

26.

What is the depth of concrete required for half-round channels for surface drains?

(a)

50 mm
(b)

75 mm
(c)

100 mm
(d)

105 mm
Answer:

Option (b)

27.

What is the ratio of cement to be used to plaster the drain at the bottom of the camber?

(a)

1:1
(b)

1:2
(c)

2:4
(d)

1:3
Answer:

Option (b)

28.

What is the minimum diameter of pipes used for drainage of waste water?

(a)

50 mm
(b)

75 mm
(c)

100 mm
(d)

105 mm
Answer:

Option (b)

29.

 What is the wastewater from kitchen sinks called?

(a)

Grey water
(b)

Black water
(c)

Yellow water
(d)

Brown water
Answer:

Option (a)

30.

What is the water from urinals called?

(a)

Black water
(b)

Yellow water
(c)

Grey water
(d)

Brown water
Answer:

Option (a)

Showing 21 to 30 out of 53 Questions
1 2 3 4 5 6