Question 1

In which system of water supply, water is supplied only during fixed hours of the day?

Accepted Answer

A) continuous supply 
B) fixed supply 
C) intermittent supply 
D) low supply 
A) continuous supply 
B) fixed supply 
C) intermittent supply 
D) low supply C

Question 2

According the mass curve method, the storage capacity is defined as________

Accepted Answer

A) maximum excess of supply / maximum excess of demand 
B) maximum excess of supply * maximum excess of demand 
C) maximum excess of supply - maximum excess of demand 
D) maximum excess of supply + maximum excess of demand 
A) maximum excess of supply / maximum excess of demand 
B) maximum excess of supply * maximum excess of demand 
C) maximum excess of supply - maximum excess of demand 
D) maximum excess of supply + maximum excess of demand D

Question 3

____________ is used to measure flows to domestic buildings.

Accepted Answer

A) rain gauge 
B) water tank 
C) drainpipe 
D) water meter 
A) rain gauge 
B) water tank 
C) drainpipe 
D) water meter D

Question 4

The process of reducing the fluoride content from water is called________

Accepted Answer

A) chlorination 
B) fluoridation 
C) defluoridation 
D) flocculation 
A) chlorination 
B) fluoridation 
C) defluoridation 
D) flocculation

Question 5

In which system of water supply, water is available for 24 hours but uneconomically used?

Accepted Answer

A) continuous supply 
B) fixed supply 
C) intermittent supply 
D) low supply 
A) continuous supply 
B) fixed supply 
C) intermittent supply 
D) low supply

Question 6

The method of distribution of water is divided into how many types?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
A) 1 
B) 2 
C) 3 
D) 4

Question 7

____________  is used to measure the flow velocity across a cross-section with a known area.

Accepted Answer

A) inferential meter 
B) anemometer 
C) speedometer 
D) barometer 
A) inferential meter 
B) anemometer 
C) speedometer 
D) barometer

Question 8

The pressure in the distribution mains does not depend on________

Accepted Answer

A) altitude to supply water 
B) fire fighting requirements 
C) availability of funds 
D) quality of water 
A) altitude to supply water 
B) fire fighting requirements 
C) availability of funds 
D) quality of water

Question 9

The velocity of water in a 10 cm diameter pipe should be________

Accepted Answer

A) 0.2m/sec 
B) 0.5m/sec 
C) 0.9m/sec 
D) 1.2m/sec 
A) 0.2m/sec 
B) 0.5m/sec 
C) 0.9m/sec 
D) 1.2m/sec

Question 10

Which material is used in contact filters for the removal of fluorides?

Accepted Answer

A) calcium phosphate 
B) copper sulfate 
C) synthetic tri-calcium phosphate 
D) bone charcoal 
A) calcium phosphate 
B) copper sulfate 
C) synthetic tri-calcium phosphate 
D) bone charcoal

Question 11

The velocity of water in the pipe is 1.8m/Sec. What is the diameter of pipe used?

Accepted Answer

A) 10cm 
B) 15cm 
C) 25cm 
D) 40cm 
A) 10cm 
B) 15cm 
C) 25cm 
D) 40cm

Question 12

There is a 8 storey residential building in Lucknow. What is the pressure in the distribution mains?

Accepted Answer

A) 2kg/cm2 
B) 5kg/cm2 
C) 7kg/cm2 
D) 10kg/cm2 
A) 2kg/cm2 
B) 5kg/cm2 
C) 7kg/cm2 
D) 10kg/cm2

Question 13

Fluorex is a special mixture of

Accepted Answer

A) di-calcium phosphate and carbon 
B) tri-calcium phosphate and hydroxyapatite 
C) di-calcium phosphate and phosphoric acid 
D) tri-calcium phosphate and carbon 
A) di-calcium phosphate and carbon 
B) tri-calcium phosphate and hydroxyapatite 
C) di-calcium phosphate and phosphoric acid 
D) tri-calcium phosphate and carbon

Question 14

In which of the following distribution system, the clean water flows entirely under gravity?

Accepted Answer

A) gravity system 
B) pressure system 
C) combined gravity and pumping system 
D) pumping system 
A) gravity system 
B) pressure system 
C) combined gravity and pumping system 
D) pumping system

Question 15

Which material is used for removing fluorides from hard water containing 3ppm of fluorides?

Accepted Answer

A) lime 
B) copper sulfate 
C) synthetic tri-calcium phosphate 
D) bone charcoal 
A) lime 
B) copper sulfate 
C) synthetic tri-calcium phosphate 
D) bone charcoal

Question 16

Which of the following is not true about plastic pipes?

Accepted Answer

A) plastic pipes are cheaper than the metal pipes 
B) plastic pipes are light in weight 
C) plastic pipes can be installed with ordinary tools 
D) plastic pipes are corrosive 
A) plastic pipes are cheaper than the metal pipes 
B) plastic pipes are light in weight 
C) plastic pipes can be installed with ordinary tools 
D) plastic pipes are corrosive

Question 17

Fluorides in solution form are preferred over powdered form for fluoridation.

Accepted Answer

A) True 
 B)False

Question 18

Light gauge copper tubes are used for general purpose work where the pressure is not more than 0.15 N/mm2.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following is not true about lead pipes?

Accepted Answer

A) lead pipes are highly resistant to corrosion 
B) they have a low hydraulic coefficient of flow 
C) lead pipes are highly flexible 
D) when lead goes into solution, it has a cumulative poisoning effect 
A) lead pipes are highly resistant to corrosion 
B) they have a low hydraulic coefficient of flow 
C) lead pipes are highly flexible 
D) when lead goes into solution, it has a cumulative poisoning effect

Question 20

Inferential meters can be used for both low and high flows.

Accepted Answer

A) True 
 B)False

In which system of water supply, water is supplied only during fixed hours of the day?

According the mass curve method, the storage capacity is defined as________

____________ is used to measure flows to domestic buildings.

The process of reducing the fluoride content from water is called________

In which system of water supply, water is available for 24 hours but uneconomically used?

The method of distribution of water is divided into how many types?

____________ is used to measure the flow velocity across a cross-section with a known area.

The pressure in the distribution mains does not depend on________

The velocity of water in a 10 cm diameter pipe should be________

Which material is used in contact filters for the removal of fluorides?

The velocity of water in the pipe is 1.8m/Sec. What is the diameter of pipe used?

There is a 8 storey residential building in Lucknow. What is the pressure in the distribution mains?

Fluorex is a special mixture of

In which of the following distribution system, the clean water flows entirely under gravity?

Which material is used for removing fluorides from hard water containing 3ppm of fluorides?

Which of the following is not true about plastic pipes?

Fluorides in solution form are preferred over powdered form for fluoridation.

Light gauge copper tubes are used for general purpose work where the pressure is not more than 0.15 N/mm2.

Which of the following is not true about lead pipes?

Inferential meters can be used for both low and high flows.

Water Quality and Demand Measurements

Reservoirs and Water Supply Scheme

Water and Pipe Regulations

Pipes, Valves, and Pumps in the Dairy Industry

Water Treatment Processes and Unit Operations

Demineralisation Plant Design and Water Treatment

Pipe and Pump

Filters

Exam 7: Water Treatment and Plumbing Systems

In which system of water supply, water is supplied only during fixed hours of the day?

According the mass curve method, the storage capacity is defined as________

____________ is used to measure flows to domestic buildings.

The process of reducing the fluoride content from water is called________

In which system of water supply, water is available for 24 hours but uneconomically used?

The method of distribution of water is divided into how many types?

____________ is used to measure the flow velocity across a cross-section with a known area.

The pressure in the distribution mains does not depend on________

The velocity of water in a 10 cm diameter pipe should be________

Which material is used in contact filters for the removal of fluorides?

The velocity of water in the pipe is 1.8m/Sec. What is the diameter of pipe used?

There is a 8 storey residential building in Lucknow. What is the pressure in the distribution mains?

Fluorex is a special mixture of

In which of the following distribution system, the clean water flows entirely under gravity?

Which material is used for removing fluorides from hard water containing 3ppm of fluorides?

Which of the following is not true about plastic pipes?

Fluorides in solution form are preferred over powdered form for fluoridation.

Light gauge copper tubes are used for general purpose work where the pressure is not more than 0.15 N/mm2.

Which of the following is not true about lead pipes?

Inferential meters can be used for both low and high flows.

Water Quality and Demand Measurements

Reservoirs and Water Supply Scheme

Water and Pipe Regulations

Pipes, Valves, and Pumps in the Dairy Industry

Water Treatment Processes and Unit Operations

Demineralisation Plant Design and Water Treatment

Pipe and Pump

Filters