Water Demand MCQs : Here you will find MCQ Questions related to "Water Demand" in Environmental Engineering. These Water Demand MCQ Questions Will help you to improve your Environmental Engineering knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
The quantity of water required by a community, society or industry is called?
A. Water demand
B. Water Forecasting
C. Physical Characteristic of Water
D. Chemical Characteristic of Water
Explanation: The quantity of water required by a community, society or industry is called water demand.
Water demand is normally expressed as?
Explanation: It is normally expressed as litres per person per day or LPCD. While designing the water supply scheme for a region, it is necessary to determine the total quantity of water required for different purposes.
Which of the following is correct FREEMAN's Formula?
Explanation: Q=1136[(P/10)+10] is correct FREEMAN's Formula.
While estimating total quantity of water required, an allowance of _______ of the total quantity of water is added to compensate for losses, thefts and wastage
Explanation: While estimating total quantity of water required, an allowance of 15% of the total quantity of water is added to compensate for losses, thefts and wastage
Which of the following is correct reason for losses and wastage?
A. Defective pipe joints
B. Wastage by consumers
C. Unauthorised and illegal connections
D. All of the above
Explanation: The following are the reasons for losses and wastage: Defective pipe joints, cracked and broken pipes, faulty vaulves and fittings, Wastage by consumers, Unauthorised and illegal connections.
The average quantity of water (in lpcd) required for domestic purposes according to IS code is ________
Explanation: The average domestic water demand in India is 135 litres per capita per day. For developed countries, average domestic water demand is around 340 lpcd because they live a luxurious life.
The average consumption of water required in factories in lpcd is ___________
A. 10 to 15
B. 20 to 30
C. 30 to 45
D. 70 to 80
Explanation: The average water consumption in factories is 30lpcd when no bathrooms are required and 45lpcd when bathrooms are required.
What is the minimum water pressure available at fire hydrants?
Explanation: The minimum water pressure available at fire hydrants is 100-150kN/m2 i.e 10-15m of water head and it should be maintained for 4 to 5 hours.
What is the fire demand of the city of 1lakh population by Buston’s formula?
Explanation: By Buston’s formula, Q = 5663sqrt(P) where P in thousands. Here, P =100, Q = 5663sqrt(100) => Q = 56630.
Which is the correct statement regarding per capita demand?
A. Daily water required by an individual
B. Water required for various purposes by a person
C. Water required by an individual in a year
D. Annual average amount of daily water required by one person
Explanation: The per capita demand is the annual average amount of daily water required by one person. It is denoted by q in litres per day per person.