The minimum recommended diameter of sewers, is

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 maximum diameter of sewers adopted in the designs is

A

1.0 m

B

2.0 m

C

3.0 m

D

4.0 m

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

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)

A

0.2 D

B

0.5 D

C

0.66 D

D

0.80 D

Minimum tube pitch recommended for shell and tube heat exchangers is about __________ times the outside diameter of the tube.

A

1.25

B

1.75

C

2.5

D

3.5

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter )

A

0.2 D

B

0.5 D

C

0.66 D

D

0.80 D

The maximum recommended pulse rate R, when exercising , for a person who is x years of age is given by the equation R = 176- 0.8 x. what is the age , in years , of a person whose maximum recommended pulse rate when exercising is 140?

A

40

B

45

C

50

D

55

The maximum recommended pulse rate R, when exercising .for a person who is x years of age is given by the equation R = 176 - 0.8 x . what is the age, in years , of a person whose maximum recommended pulse rate when exercising is 140?

A

40

B

45

C

50

D

55

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

The minimum recommended diameter of sewers, is

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