Civil Engineering - Water Supply Engineering - Discussion


Most satisfactory formula for an estimate of fire demand Q for a city of population P in thousands for Indian conditions, is

[B]. Q = 1640 P (1 - 0.01 P)
[C]. Q = 3180 P
[D]. none of these.

Answer: Option C


No answer description available for this question.

Amar Sathe said: (Jul 27, 2015)  
Q = 3182 under root p.

Nani said: (Sep 18, 2015)  
According to Indian standard formula it is B.

P S Thanveer said: (Feb 13, 2016)  
It's known as Kuchling's Formula & its used when population exceeds 50, 000.

Uchit said: (Jun 24, 2017)  
I think b would be more appropriate because Indian standard code recommend it to be used in Indian condition.

Ashish Tiwari said: (Jul 3, 2017)  
Actually formula a and b are wrong

1136(p/5 +10).

4637under root p(1-0.01under root p).

That's why answer is C?

If above formulas were right then and must be b because it is suggested by Indian standards

Dvs said: (Aug 24, 2017)  
Yes, @Ashish.

5 correct.

Mahidip said: (Sep 23, 2017)  
Kuchling's formulae is appropriate and most satisfactorily to measure fire demands.

Akshay said: (Jun 14, 2018)  
3182 √p -> Kuchling's Formula.

Amar said: (Sep 3, 2018)  
Actual formula 3182√ P. None of the above answer is correct.

Prabhat said: (Sep 22, 2018)  
Yes, Option D (none of the above answers is correct).

Due to Kuching's Formula:
Q=3182 X √P.

Pari said: (Jun 6, 2019)  
Kuchling's formula. Q=3182 * √ P, where P is in thousands and Q in litres/min.

Sipashree Behera said: (Jun 9, 2019)  
Yes, Q=3182*√P.

K.Nandini said: (Sep 20, 2019)  
It should be Q=3182 √p.

Suraj said: (Sep 4, 2020)  
Q = 3182 √P.

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