Important questions about Quality of Water. Quality of Water MCQ questions with answers. Quality of Water exam questions and answers for students and interviews.

Match list 1(calculation of fire demand) with list 2 (formulae) and select the correct answer using the codes given below. where Q = quantity of water, P = population in thousands CODE A?B?C?D

Options

A : a. 1?2?3?4

B : b. 2?3?4 ?1

C : c. 2?1?4?3

D : d. 1?2?4?3

What can be filled in place of the question mark in the following table?

Options

A : a. Excessive hard water

B : b. Reasonably soft water

C : c. Very hard water

D : d. Hard water

Given list 1 and list 2, find which of the following pair is correctly matched?

Options

A : a. A-5

B : b. B-3

C : c. C-4

D : d. D-2

The average quantity of water (in lpcd) required for domestic purposes according to IS code is ________

Options

A : a. 100

B : b. 120

C : c. 70

D : d. 135

The average consumption of water required in factories in lpcd is ___________

Options

A : a. 10-15

B : b. 20-30

C : c. 30-45

D : d. 70-80

In which type of water demand, minimum average consumption of water takes place?

Options

A : a. Domestic water demand

B : b. Industrial water demand

C : c. Institutional and commercial water demand

D : d. Fire demand

What is the minimum water pressure available at fire hydrants?

Options

A : a. 80-100kN/m²

B : b. 100-150kN/m²

C : c. 40-60kN/m²

D : d. 150-200kN/m²

What is the fire demand of the city of 1lakh population by Buston’s formula?

Options

A : a. 5663

B : b. 56630

C : c. 566300

D : d. 5663000

Water lost in theft and waste contributes to how much % of total consumption?

Options

A : a. 5

B : b. 10

C : c. 15

D : d. 20

Which is the correct statement regarding per capita demand?

Options

A : a. Daily water required by an individual

B : b. Water required for various purposes by a person

C : c. Water required by an individual in a year

D : d. Annual average amount of daily water required by one person

What are the factors affecting per capita demand?

Options

A : a. Size of city

B : b. Size of city, habit of people

C : c. Cost of water, quality of water, size of city

D : d. Cost of water, quality of water, size of city, habit of people

If the annual average hourly demand of the city is 10000m³, what is the maximum hourly consumption?

Options

A : a. 2700 m³

B : b. 27000 m³

C : c. 270000 m³

D : d. 2700000 m³

If in a city, the maximum daily draft is 25MLD, fire draft is 35MLD and maximum hourly draft is 40MLD, what is the coincident draft?

Options

A : a. 60MLD

B : b. 40MLD

C : c. 25MLD

D : d. 35MLD

What is the design period for the water treatment unit?

Options

A : a. 10 years

B : b. 15 years

C : c. 20 years

D : d. 30 years

What is the design discharge for intake structures?

Options

A : a. Maximum daily demand

B : b. Maximum hourly demand

C : c. Maximum weekly demand

D : d. Average daily demand

In which of the following units, design period is maximized?

Options

A : a. Distribution system

B : b. Demand reservoir

C : c. Water treatment unit

D : d. Pipe mains

In which method of population forecasting, increase in population from decade to decade is assumed constant?

Options

A : a. Arithmetical increase method

B : b. Geometrical increase method

C : c. Incremental increase method

D : d. Decreased rate of growth method

What is the expression used for population forecasting by the arithmetical increase method?

Options

A : a. PO (1 + R/100)?

B : b. PO + n*x

C : c. PO + n*x + ( n(n+1)/2 )*y

D : d. PO – n*x

In which method of population forecast, percentage increase in population from decade to decade is assumed constant?

Options

A : a. Arithmetical increase method

B : b. Geometrical increase method

C : c. Incremental increase method

D : d. Decreased rate of growth method

What is the expression used for population forecasting by the geometrical increase method?