If P is population of a city in thousands and Q is fire demand in litres per minute, for proper estimate of water, the Empirical formula Q = 1135 [(P/5) + 10] is suggested by (A) National Board of fire under-writers (B) Freeman (C) Kuichling (D) None of these

If P is population of a city in thousands and Q is fire demand in litres per minute, for proper 

estimate of water, the Empirical formula Q = 1135 [(P/5) + 10] is suggested by 

(A) National Board of fire under-writers 

(B) Freeman 

(C) Kuichling 

(D) None of these 

by

1 Answer

Answer :

(B) Freeman 

by

Related questions

The fire demand for ascertaining the empirical formula 1136.5 [(P/10) + 10] known as (A) Kuichling's formula (B) Buston's formula (C) Freeman formula (D) Under Writers formula

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Last Answer : (C) Freeman formula

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

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Last Answer : (D) 5663 P

Most satisfactory formula for an estimate of fire demand Q for a city of population P in thousands for Indian conditions, is (A) Q = 1115 (p/5 + 20) (B) Q = 1640 P (1 - 0.01 P) (C) Q = 3180 P (D) None of these

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Last Answer : (C) Q = 3180 P

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

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For calculation of economical diameter D of a pipe in metres for a discharge Q to be pumped in cumecs, Lea suggested the empirical formula (A) D = 0.22 Q (B) D = 1.22 Q (C) D = 2.22 Q (D) D = 3.22 Q

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If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is (A) 1880 kilo litres (B) 2880 kilo litres (C) 3880 kilo litres (D) 4880 kilo litres

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To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 Q, the water horse power of the pump is (A) 400 (B) 450 (C) 500(D) 600

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If V is total consumption of water in litres for a population of N individuals, per capita consumption or water allowance for the water supply Q, is given by (A) Q = V/12N (B) Q = V/24N (C) Q = V/265N (D) None of these

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The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is A. 0.05552 cumec B. 0.05554 cumec C. 0.05556 cumec D. 0.0556 cumec

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As per Stevenson's empirical formula, the approximate value of the height of the wave in metres is given by (A) 0.34 VF (B) 0.5 VF (C) 1.5 VF (D) 3.4 VF

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A well penetrates to 30 m below the static water table. After 24 hours of pumping at 31.40 litres/minute, the water level in a test well at a distance of 80 m is lowered by 0.5 m and in a well 20 m away water is lowered by 1.0 m. The transmissibility of the aquifer, is (A) 1.185 m2 /minute(B) 1.285 m2/minute (C) 1.385 m2/minute (D) 1.485 m2/minute

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