Water Supply, Drainage and Waste Management - Building Services - Architecture and Planning Previous Year Questions

1

2007 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2007

Hazen’s-William’s nomogram is used to calculate

A

size of sanitary pipe lines

B

size of water supply pipe lines

C

capacity of overhead water reservoir

D

capacity of water required for fire fighting

Open complete paper

2

2007 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2007

The correct sequence of various components of a house water connection from the municipal water main is

A

Stop cock → Water meter → Goose neck → Service pipe → Ferrule connection

B

Ferrule connection → Stop cock → Goose neck → Service pipe → Water meter

C

Goose neck → Ferrule connection → Service pipe → Water meter → Stop cock

D

Ferrule connection → Goose neck → Service Pipe → Stop cock → Water meter

Open complete paper

3

2007 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2007

A typical roof top Rainwater Harvesting System essentially comprises of
P. Roof catchment
Q. Down pipes
R. Rain gauge
S. Filter chamber

A

P, R

B

P, R, S

C

Q, R, S

D

P, Q, S

Open complete paper

4

2007 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2007

Total capacity of septic tank in cubic metres is

A

31.70

B

23.40

C

20.80

D

15.60

Open complete paper

5

2009 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2009

The sudden stoppage in the flow of water in a closed conduit results in a phenomenon called

A

Cavitation

B

Hydraulic gradient

C

Stock pressure

D

Water hammer

Open complete paper

6

2009 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2009

Identify the parameters used in the Hazen & William's nomogram to calculate pipe diameter for water supply:
P. Flow rate in lit/sec
Q. Pipe diameter in mm
R. Population to be served
S. Head loss in m/m
T. Velocity in m/sec

A

P, Q, S

B

R, S, T

C

P, R, S

D

P, S, T

Open complete paper

7

2009 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2009

A building has a rooftop area of 300 sq.m. If the average annual rainfall in the region is 700 mm and the Runoff Coefficient of the rooftop is 0.8, then the maximum amount of rainfall that can be harvested from the rooftop (in litres) is

Check answer

Open complete paper

8

2010 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2010

In water supply systems, the ‘Reflux Valves’ allow water to flow

A

In one direction only

B

In both directions

C

Through air locked joints

D

Only under low pressure

Open complete paper

9

2010 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2010

The volume of water (in cubic metre) required for the reservoir is

A

105

B

110

C

120

D

130

Open complete paper

10

2011 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2011

If it rains for 30 min. with an intensity of 10 cm/hr, minimum volume of rain water that can be collected will be

A

12.75 cum

B

14 cum

C

15 cum

D

16 cum

Open complete paper

11

2013 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2013

The term ‘Working head’ in context of water supply system means

A

Height of a body of water falling freely under the force of gravity to acquire a certain velocity

B

Rate of increase of velocity with respect to distance normal to the direction of flow

C

Total head with deduction for velocity head or losses

D

Difference between supply and delivery water levels

Open complete paper

12

2014 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2014

In a single-stack system of plumbing

A

All the appliances and traps are fully ventilated

B

Only WC branches are connected with anti-siphonage pipes

C

Anti-siphonage pipes are omitted

D

Only the stack is vented above the branch connection at each floor level

Open complete paper

13

2014 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2014

A house located in Delhi has 111 m² of flat terrace area (runoff coefficient = 0.85) and 55 m² of ground area covered with grass (runoff coefficient = 0.15). If annual average rainfall is 611.8 mm, then rain water harvesting potential (L/year) from runoff will be ______

Check answer

Open complete paper

14

2014 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2014

At a site, based on percolation test, the allowable rate of treated sewage application was determined as 65 L/m²/day. The effective depth (m) of a soak pit with a diameter of 2.5 m for the disposal of 1020 L/day of septic tank effluent is ______

Check answer

Open complete paper

15

2014 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2014

A refuse collection system consisting of two chutes is to be provided in a 20 storied residential building with 2 flats/floor (average family size = 5) and with each chute serving one flat on each floor. Average quantity of refuse and its density are 880 g/person/day and 240 kg/m³ respectively. If the cleaning interval is two days, then the minimum size of the refuse container (litre) at the bottom of each chute is ______

Check answer

Open complete paper

16

2016 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2016

Associate the systems in Group-I with their applications in Group-II

A

P-4, Q-1, R-5, S-3

B

P-1, Q-2, R-5, S-4

C

P-3, Q-5, R-2, S-1

D

P-5, Q-4, R-2, S-1

Open complete paper

17

2016 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2016

A pump is installed in an apartment building to lift water from ground level to the roof top water tank with the capacity of 10,000 litres. Total head of lift is 18 m and pumping time is 30 minutes to fill the tank completely. Assuming acceleration due to gravity (g) as 10 m/sec² and efficiency of the pump as 80 percent, the power requirement of the pump in kW will be ____________________

Check answer

Open complete paper

18

2017 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2017

In a multi-storied building, the type of plumbing system suitable for reusing the sullage for non-potable use is

A

single stack system

B

partially ventilated single stack system

C

one pipe system

D

two pipe system

Open complete paper

19

2018 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2018

A building with 100 sqm roof area is connected to a 72 cum rainwater collection tank. If the rainfall is 60 mm per hour and the loss during water storage is 20%, then the time taken to fill the tank completely is __________ hours.

Check answer

Open complete paper

20

2018 · Architecture and Planning · Building Services · Water Supply, Drainage and Waste Management

Architecture and Planning (AR) 2018

The water consumption of a high rise apartment building with 60 dwelling units having an average household size of 5 persons is 135 lpcd. Assuming 80% of the total use is met with recycled water supply, the daily domestic demand for the building is _________ litres.

Check answer

Open complete paper