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WorksheetsIPE Final term Long Exam
Total questions: 50
Worksheet time: 25mins
What is called for the pollution that can be traced directly to industrial activity?
Soil pollution
Water pollution
Air pollution
Industrial pollution
Which of the following are the primary causes of water pollution?
Plants
Animals
Human activities
None of these
Which of the following techniques is used for reducing the total dissolved solids (TDS) in the water?
Osmosis
Ion exchange
Distillation
Both b and c
Which of the following statements are true about CNG -Compressed natural gas?
It is a clean fuel
It is a harmful fuel
It is a polluting fuel
All of the above
Which of the following is mainly responsible for the causes of water pollution?
Afforestation
Oil refineries
Paper factories
Both b and c
Which of the following techniques is used to determine the concentration of odor compounds in the given water sample?
Settling
Flushing
Chlorination
Stripping
What is the most abundant greenhouse gas in the atmosphere?
Methane
Nitrogen dioxide
Sulfur dioxide
Carbon dioxide
The main pollutant present in wastewater from cooling is ___________.
TDS
Acidity
BOD
Waste Heat
____________ indicates physical characteristics of industrial wastewater
Color
Solids
Temperature
All of these
__________ indicates chemical characteristics of industrial wastewater
pH
BOD
COD
All of these
Substitution of solvent-based paints with water-based paints is example of ___________.
Reduction at source
Recycling
Recovery
Reuse
Use treated industrial wastewater for irrigation is example of __________.
Reduction at source
Recycling
Recovery
Reuse
Secondary treatment comprises of ___________.
Only unit operations
Only physical treatment
Combination of chemical and biological processes
Only biological treatment
Secondary settling tank is type of ______________.
Physical treatment
Chemical treatment
Combination of physical and biological treatment
biological treatment
Primary treatment is provided -_____________.
Before chemical treatment
Before biological treatment
Before physical treatment
Before physico-chemical treatment
_________________ are normally most expensive part of the treatment
Primary treatment
Secondary treatment
Tertiary treatment
Chemical treatment
Nutrient removal treatment is ________________.
Primary treatment
Tertiary treatment
Preliminary Treatment
Secondary Treatment
Flow equalization is ________
Preliminary Treatment
Primary treatment
Secondary Treatment
Tertiary treatment
____ devices remove materials which would damage equipment or interfere with a process.
Grit
Screening
Oxidation
Reduction
In Floatation unit suspended solids are collected at the _________ of the unit
Top
Bottom
Middle
Side
__________ is solid waste generated during dry processes in Textile industry
Press mud
Yeast sludge
Cotton dust
Bagasse
Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is
nitrogen
oxygen
ozone
argon
Incomplete combustion of fuel such as petrol and diesel gives
nitrogen oxide
Sulphur dioxide
carbon monoxide
carbon dioxide
Which of the following is not a source of air pollution?
automobile exhaust
burning of firewood
windmill
power plant
Potable water is the water which is
obtained from a river
obtained from a lake.
pure and fit for drinking.
used only for washing clothes.
Which of the following is called the secondary air pollutant?
PANs
Ozone
Carbon monoxide
Nitrogen Dioxide
Which of the following particles is called the particulate pollutants?
Ozone
Radon
Fly Ash
Ethylene
How many different types of primary pollutants together contribute to about 90 per cent of the global air pollution?
Three
Five
Seven
None of the above
Smoke, fumes, ash, dust, nitric oxide and sulphur dioxide are the main sources of ________.
Primary Pollutants
Secondary pollutants
Bio-Degradable Pollutants
None of the above
Which of the following gas is more in percentage in the air?
Oxygen gas
Nitrogen gas
Water vapor
Carbon dioxide gas
Which is NOT a type of fire sprinkler system?
Pre-Action
Even-Distribution
Deluge
Wet Pipe
According to NFPA 13, Buildings more than ___ feet high must have an automatic sprinkler system throughout the building.
55
65
45
25
The correct way to extinguish a fire to aim.
At the side
At the center
At the top
At the bottom
Which if the following is a combustible liquid?
Zinc
Trash
Iron
Gasoline
Which of the following is combustible material?
Paper
Iron
Propane gas
Oil
How many times a year all fire extinguishers must be maintained by an FDNA approved company and a W-96 Certificate of Fitness holder?
6
2
4
1
Which one is a Class B fire?
Cloth
Metal
Gasoline
Trash
What does P.A.S.S. stand for?
Pull, aim, squeeze, sweep
Press, armor, sit, stand
Palm, arm, shoulder, snap
Please allow slow storms
Which are Class A, B, and C fires?
Trash, flammable liquid, electrical
Metal, electric, cooking oil
Electrical, metal, dry chemical
Cloth, metal, cooking oil
Which of these is likely to be a hazard during a fire?
Water
Nitrogen
Darkness
Smoke
Which of these is an element of the fire triangle?
Water
Carbon dioxide
Oxygen
Foam
Foam fire extinguishers put out a fire by:
Starving the fire
Smothering the fire
Cooling the fire
Containing the fire
________________ is the lowest temperature at which the vapor from combustible liquid can be made to ignite.
Flash point
Melting point
Absolute point
Cooling point
The three elements of the fire triangle are:
Water, a heat source, and fuel
Oxygen, water, and fuel
Oxygen, fuel, and a heat source
Fuel, oxygen, and earth
Carbon Dioxide extinguishers are designed for which types of fuels?
Class B and C
Class A, B and C
Class A and C
Class A and B
Why is it important to know the different classes of fire?
Because some cause greater damage than others
Because some are less dangerous to a person's health
Because everyone in a workplace needs to fight fire
Because certain fires can only be fought with certain fire extinguishers
Water is most effective and most commonly used for which of the following type of fire?
Class A-ordinary combustibles
Class B-flammable and combustible liquids
Class C-electrical
Class D-combustible metals
Which of the followings are methods of extinguishing fire
Starvation
Rubbing
Warming
Cutting
Which fire extinguisher is appropriate for use on a fire involving gasoline in a confined space when no respiratory protection is available?
Water (APW) extinguisher
Carbon dioxide extinguisher
Dry chemical extinguisher
Class K dry-type extinguisher
What can be used to extinguish cooking fat fires?
CO2
Powder and water
Wet chemical and foam
Wet chemical and fire blanket
