Question 1

Wastewater from different sources like bathrooms, kitchens and wash basins is called ______
A)Sewage
B)Garbage
C)Sullage
D)Discharge

Accepted Answer

Sullage refers to wastewater generated from domestic activities such as laundry, dishwashing, and bathing, excluding toilet waste. It is distinct from sewage, which includes all household wastewater, including human waste.

Question 2

Which of the following conditions is not suitable for the disposal of excreta or sewage?
A)The waste does not pollute the ground surface
B)It is not exposed to the atmosphere
C)It should be accessible for children
D)It does not give odour nuisance

Accepted Answer

The disposal of excreta or sewage should be designed in such a way that it is not accessible to children, to prevent accidents and the spread of disease.

Question 3

In urban cities like Bangalore, which of the water carriage system is used?
A)Separate system
B)Combined system
C)Partially combined system
D)Partially separate system

Accepted Answer

In urban cities like Bangalore, a Separate system is used for water carriage. This means that sewage and stormwater are carried in separate pipes, ensuring that sewage treatment plants are not overwhelmed during heavy rains and reducing the risk of contamination.

Question 4

The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ________
A)Grey water
B)Black water
C)Yellow water
D)Wastewater

Accepted Answer

Grey water is the term used for relatively clean wastewater from baths, sinks, washing machines, and other kitchen appliances, excluding toilet waste.

Question 5

The overall purpose of sanitation is to maintain the green environment alone.
A)True
B)False
C)none
D)all

Accepted Answer

The overall purpose of sanitation is broader than just maintaining a green environment; it includes protecting health by providing a clean environment that helps to prevent the spread of diseases.

Question 6

The direction of water in filter beds is reversed for ______
A)Filtration
B)Cleaning
C)Decreasing velocity
D)Decreasing flow

Accepted Answer

The direction of water in filter beds is reversed for cleaning purposes. This process, known as backwashing, helps to remove trapped particles and clean the filter media, ensuring the effectiveness and efficiency of the filtration process.

Question 7

Rapid filtration is used as the _______ clarifying step in municipal water treatment plants.
A)First
B)Second
C)Intermediate
D)Final

Accepted Answer

The answer of Rapid filtration is used as the _______...

Question 8

_______ indicates the freshness of grey water.
A)Turbidity
B)Color
C)Temperature
D)COD

Accepted Answer

The answer of _______ indicates the freshness of grey water.
A)Turbidity
B)Color
C)Temperature
D)COD...

Question 9

The type of wastewater from the flushing operation of toilet is __________
A)Green water
B)Red water
C)Black water
D)Brown water

Accepted Answer

The type of wastewater from the flushing operation of a toilet is classified as "Black water," which contains human waste and is considered highly contaminated.

Question 10

The full form of BOD is __________
A)Biodegradable oxygen demand
B)Biological oxygen demand
C)Biochemical oxygen demand
D)Bandwidth on demand

Accepted Answer

BOD stands for Biochemical Oxygen Demand, which measures the amount of oxygen required by aerobic microorganisms to decompose organic matter in water.

Question 11

Which of the following actions may best help maintain human comfort even in an increased indoor temperature?
A)Lowering the humidity
B)Re-circulating the air supply
C)Lowering the lighting intensity
D)Increasing the ventilation rate

Accepted Answer

Lowering the humidity can help maintain comfort at higher temperatures because it reduces the perceived temperature and prevents the air from feeling too sticky or oppressive.

Question 12

Combination system consists of supply system and __________ system.
A)Plenum
B)Air conditioning
C)Exhaust
D)Natural

Accepted Answer

A combination system typically includes both a supply system and an exhaust system to manage airflow effectively.

Question 13

In horizontal belt, the loose side is generally kept on the bottom.
A)True
B)False
C)none
D)all

Accepted Answer

The answer of In horizontal belt, the loose side is...

Question 14

For ventilation Which action is required?
A)wind action
B)stack effect
C)both
D)none

Accepted Answer

Ventilation can be driven by both wind action and stack effect. Wind action facilitates the movement of air into and out of buildings due to differences in wind pressure, while stack effect is caused by the difference in indoor and outdoor temperatures creating a pressure difference that drives air movement. Both mechanisms are natural drivers for ventilation.

Question 15

The systems installed in buildings to make them comfortable, functional, efficient and safeis called _________________
A)AC
B)Noise Protection
C)Mechanical Services
D)Building Services

Accepted Answer

Building Services are the systems installed in buildings to make them comfortable, functional, efficient, and safe. These include HVAC (heating, ventilation, and air conditioning), lighting, water and plumbing, fire safety, and more.

Question 16

Objectives of Building Services
A)Provide comfortable living to its occupants
B)Improve efficiency of the users
C)Maintain health of the occupants
D)all of above

Accepted Answer

Building services aim to provide comfortable living conditions, improve the efficiency of the occupants by creating an optimal working or living environment, and maintain the health of the occupants through proper ventilation, lighting, and other environmental controls. Therefore, all of the options listed are objectives of building services.

Question 17

Apartments, flats, Bungalows are _________type of building
A)Residential Building
B)Commercial building
C)privet building
D)educational building

Accepted Answer

Apartments, flats, and bungalows are designed for people to live in, making them types of residential buildings.

Question 18

Building structures which are used for the storage, handling, manufacture of materials which are liable to burn with extreme rapidity and prove hazardous to health building or building contents are called ____________
A)Assembly Building
B)Hazardous building
C)mercantile building
D)all of the above

Accepted Answer

Hazardous buildings are designed for activities involving materials that can burn rapidly and pose a significant risk to health, the building, or its contents.

Question 19

Air conditioning is one type of
A)Mechanical system
B)Electrical system
C)Building operation system
D)Multiple services

Accepted Answer

Air conditioning is primarily a mechanical system designed to control the environment within a space, specifically to cool and dehumidify the air.

Question 20

Oxygen and Nitrogen gas in hospitals is one type of
A)Mechanical system
B)Electrical system
C)Building operation system
D)Multiple services

Accepted Answer

The answer of Oxygen and Nitrogen gas in hospitals is...

Quiz 4: Building Services and Sanitation Systems

Wastewater from different sources like bathrooms, kitchens and wash basins is called ______

Which of the following conditions is not suitable for the disposal of excreta or sewage?

In urban cities like Bangalore, which of the water carriage system is used?

The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ________

The overall purpose of sanitation is to maintain the green environment alone.

The direction of water in filter beds is reversed for ______

Rapid filtration is used as the _______ clarifying step in municipal water treatment plants.

_______ indicates the freshness of grey water.

The type of wastewater from the flushing operation of toilet is __________

The full form of BOD is __________

Which of the following actions may best help maintain human comfort even in an increased indoor temperature?

Combination system consists of supply system and __________ system.

In horizontal belt, the loose side is generally kept on the bottom.

For ventilation Which action is required?

The systems installed in buildings to make them comfortable, functional, efficient and safeis called _________________

Objectives of Building Services

Apartments, flats, Bungalows are _________type of building

Building structures which are used for the storage, handling, manufacture of materials which are liable to burn with extreme rapidity and prove hazardous to health building or building contents are called ____________

Air conditioning is one type of

Oxygen and Nitrogen gas in hospitals is one type of