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Civil Engineering Objective Questions { Hydrology }



8.  Pick up the incorrect statement from the following regarding fire hydrants
A. Fire hydrants are fitted in water mains at 100 m to 150 m apart
B. The minimum water pressure at fire hydrants, iS kept 1.5 kg/cm2
C. The water at pressure 1 to 1.5 kg/cm2 is made available for 4 to 5 hours for constant use
D. None of these:

9.  45 litres of water per person per day, is provided in
A. office buildings
B. hOtels
C. hostels
D. nurse's homes.

10.  135 litres of water per person per day, is provided in
A. nurses homes
B. hostels
C. residential schools
D. all the above.

11.  The fire demand of a city may be worked out by
A. Kuichling's formula
B. Freeman formula
C. Under Writers formula
D. All the above.

12.  According to Kuichling's formula, fire demand in litres per minute for a population of P thousands, is
A. 31825 /7)
B. 1136.5 [ 1.0 - + 10]
C. 4637 VT El -0.01 V.Fl
D. 5663 i.T.

13.  According to Buston's formula, fire demand in litres per minute for a population of P thousands, is
A. 3182 ,IT)
B. 1136.5 -- + 10
C. 4637 AM- (1 -0.01 is)
D. 5663 )7P

14.  The fire demand for ascertaining the empirical formula Q = 1136.5 ?10 + 10 is known as
A. Kuichling's formula
B. Buston's formula
C. Freeman formula
D. Under Writers formula

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