The maximum diameter of sewers adopted in the designs is

In olden days the type of section adopted in trunk and out fall sewers was

A

Parabolic shaped

B

Horse shoe shaped

C

Egg shaped

D

Circular shaped

Large diameter sewers subjected to external pressure alone, are reinforced

A

Near the inner surface of the pipe

B

Near the outer surface of the pipe

C

Both A and B

D

With elliptical cage

The minimum recommended diameter of sewers, is

A

5 cm

B

10 cm

C

15 cm

D

20 cm

The minimum and maximum diameters of sewers shall preferably be

A

15 cm and 100 cm

B

15 cm and 300 cm

C

30 cm and 450 cm

D

60 cm and 300 cm

For large sewers, maximum distance between manholes may be

A

50 m

B

100 m

C

200 m

D

300 m

Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?

A

Third and Fourth stanza

B

The whole song

C

First and Second stanzav

D

Only the first stanza

The self cleansing velocity for all sewers in India is usually

A

Less than 1.0 m/sec

B

1.0 m/sec to 1.2 m/sec

C

1.5 m/sec to 2.0 m/sec

D

3.0 m/sec to 3.5 m/sec

The main disadvantage of cement concrete sewers is

A

Less strength

B

Difficulty in construction

C

Difficulty in transportation due to heavy weight

D

Less life

A sewer that receives the discharge of a number of house sewers is called

A

House sewer

B

Lateral sewer

C

Intercepting sewer

D

Sub-main sewer

Laying of sewers is usually done with the help of

A

A Theodolite

B

A compass

C

Sight rails and boning rods

D

A plane table

The maximum diameter of sewers adopted in the designs is

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