WorksheetsCHAP 10 - Variable Load & Environmental Engineering
Total questions: 105
Worksheet time: 53mins
The maximum continuous power available from a hydro electric plant under the most adverse hydraulic conditions is called ______.
base power
firm power
primary power
secondary power
The area under load curve divided by maximum demand represents ______.
load factor
connected load
average load
diversity factor
What is the reverse capacity of a plant?
maximum demand – average demand
plant capacity – maximum demand
plant capacity – average demand
plant capacity × (1 − load factor)
Load curve refers to the plot of ______.
load versus generating capacity
load versus current
load versus time
load versus cost of power
The ratio of maximum load to the rated plant capacity is called ______.
load factor
utilization factor
maximum load factor
capacity
It is the combination of base load and peaking load.
rated load
intermediate load
combine load
over-all load
Sum of the maximum demand over the simultaneous maximum demand.
Use of factor
Capacity factor
Demand factor
Diversity factor
Peak load for a period of time divided by installed capacity is ______.
capacity factor
demand factor
utilization factor
load factor
The capacity factor of the plant is equal to ______.
maximum load/average load
average load/maximum load
average load/plant capacity
maximum load/plant capacity
The ratio between the actual power and the apparent power in any circuit is known as the ______ of that circuit.
measured power
capacity
power factor
KVAR
The ratio of maximum load to the rated plant capacity.
Load factor
Utilization factor
Maximum load factor
Capacity factor
The ratio of the average load to the peak load over a designated period of time is called ______.
load factor
reactive factor
diversity factor
plant use factor
The ratio of the sum of individual maximum demands of the system to the overall maximum demand of the whole system.
Demand factor
Diversity factor
Power factor
Utilization factor
Load curve refers to the plot of ______.
load versus generating capacity
load versus current
load versus time
load versus cost of power
Load curve refers to the plot of ______.
load versus generating capacity
load versus current
load versus time
load versus cost of power
The ratio of maximum load to the rated plant capacity.
Load factor
Utilization factor
Maximum load factor
Capacity factor
The ratio of the average load to the peak load over a designated period of time is called ______.
load factor
reactive factor
diversity factor
plant use factor
Peak load for a period of time divided by installed capacity is ______.
capacity factor
demand factor
utilization factor
load factor
The area under load curve divided by maximum demand represents ______.
load factor
connected load
average load
diversity factor
The ratio of the sum of individual maximum demands of the system to the overall maximum demand of the whole system.
Demand factor
Diversity factor
Power factor
Utilization factor
Diversity factor × maximum demand is ______.
Average demand
Installed capacity
Sum of consumer's maximum demands
Generated power
The ratio between the actual power and the apparent power in any circuit is known as the ______ of that circuit.
measured power
capacity
power factor
KVAR
Yeast as raw material for beer making is added to the equipment called ______.
fermenters
brew kettle
cooler
starting tube
A major cause of air pollution resulting from the burning of fuel oil is ______.
nitrous
hydrogen
sulfur dioxide
silicon
Heavy water is ______.
B2O
H2O
W2O
D2O
Scintillation counter are used to detect ______.
Beta rays
X - ray
Gamma rays
All of the above
All of the following are common types of chemical reactions except ______.
direct combination
fission
decomposition
double replacement
Redox reactions can often be type of ______.
direct combination
fission
decomposition
double replacement
The fact that the amount of slightly soluble gas absorbed in a liquid is proportional to the partial pressure of the gas is known as ______.
Dalton's law
Henry's law
Raoult's law
Boyle's law
All of the following pollutants are produced because of decaying organic matter except ______.
ammonia
sulfur dioxide
methane
hydrogen sulfide
Swimming pool water needs ______.
pre - chlorination
super - chlorination
dual - chlorination
de - chlorination
Aeration of water is done for all of the following purposes except for
removal of CO2
removal of bad taste
increasing the amount of oxygen in water
removal of temporary hardness
Mycotoxins are poisonous chemicals produced by
bacteria
molds
virus
algae
Turbidity in water is due to
algae
fungi
organic salts
finely divided particles of clay, silt and organic matter
Per capita consumption of water is generally taken as
50–100 liters
150–300 liters
400–500 liters
750–1000 liters
Which of the following industries have the highest consumption of water for processing?
Foundry
Automobile industry
Paper mill
Aluminum industry
Chemical used for checking the growth of algae in reservoirs is
copper sulphate
alum
bleaching powder
brine
Which of the following is not the pollutant from a sulfuric acid plants?
Sulfur dioxide
Sulfur trioxide
Acid moist
Hydrogen sulfide
Which of the following is a cold cathode lamp?
Sodium vapor lamp
High pressure mercury vapor lamp
Low pressure mercury vapor lamp
Neon lamp
Which has an octane rating of more than 100?
Gobar gas
Methyl alcohol
Benzol
Ethyl alcohol
The part per million is identical to
Grains per gallon
Pounds per cubic foot
Milligrams per kg
Tones per acre foot
In power plant an electrostatic precipitators is installed between
forced draft fan and induced draft fan
furnace and chimney
primary air and secondary air
furnace and forced draft fan
At present, the number of true elementary particles, which include leptons and quarks, is thought to be
4
8
10
12
The effective size of a target atom that interacts with a moving particle is called its
length
width
cross section
pseudo-area
Most nuclear particles can react with atoms in several different ways including
absorption
scattering
absorption and scattering
reflection and absorption
The operation that produces highest noise level is
welding
riveting
machining
pressing
The ratio absorbed by the transfer fluid to the original incident energy striking the collector
Shading factor
Collector efficiency
Betz coefficient
Transmittance
A swinging support constructed as part of the vessel and that supports the manway cover when it is unbolted and moved aside
Davit
Handhole
Nozzle neck
Manway arm
Is the subjective method in which the smoke density is visually compared to five standardized white-black grids
Ringelman scale
Dalton scale
Smoke spot scale
Dew point scale
The ratio of fugacity at actual conditions to the fugacity at some reference state is known as
compressibility
activity
gravimetric coefficient
saturation
A type of polymer used for detergents, milk bottles, oil containers and toys
Polyvinyl chloride (PVC)
Polystyrene (PS)
High density polyethylene (HDPE)
Polypropylene (PP)
A type of polymer used for grocery bags and food wraps
Polyvinyl chloride (PVC)
Polystyrene (PS)
Low density polythelene (LDPE)
Polypropylene (PP)
A radioactive gas produced from the decay of radium within the rocks beneath a building
Spills
Radon
Smoke
Smog
Consists of ground-level ozone and peroxyacyl nitrates (PAN)
Smog
Spills
Sulfur oxide
Smoke
A term used to mean the corrective steps taken to return the environment to its original condition
Stabilization
Remediation
Greenhouse effect
Opacity
The burning of low-sulfur fuel is known as
fuel switching
fuel adding
fuel binding
fuel swapping
The removal of particulate matter from a gas flow by exposing the flow to a liquid or slurry is known as
stripping
spraying
scrubbing
absorption
The drop in a solvent's vapor pressure and the increase in mole fraction as solute is added is described by
Dalton's law
Henry's law
Raoult's law
Boyle's law
All of the following statements are characteristics of bases except
they conduct electricity in aqueous solutions
they turn red litmus paper blue
they have a pH between 0 and 7
they neutralize acids forming salts and water
All of the following statements about conjugate acids and bases are true except
a conjugate acids results when a base accept a proton
a conjugate base results when a base accepts a proton
strong acids tend to give weak conjugate bases
the Bronsted-Lowry theory defines bases as proton accepters
Are any solid particulate matter that becomes airborne, with the exception of particulate matter emitted from the exhaust stack of a combustion process
Dusts or fugitive dusts
Dioxins
Fugitive emissions
CFCs
Equipment leaks from plant equipments are known as
fugitive leaks
fugitive dusts
fugitive exhausts
fugitive emissions
What is a substance that absorbs or retains moisture?
Surface acting agent
Dry ultra-fine coal
Fossil fuel
Humectant
Is a soluble compound that reduces a liquid's surface tension or reduces the interfacial tension between a liquid and a solid
Surface-acting agent or surfactant
Humectant
Oxygenated fuel
CFC
A material or substance that is accidentally or intentionally introduced to the environment in a quantity that exceeds what occurs naturally
Waste
Sludge
Pollutant
Biosolids
Refers to organic waste produced from biological waterwaste treatment processes
Toxic waste
Biosolids
Extrinsic waste
Process waste
A rule which states that any solid waste mixed with hazardous waste becomes hazardous
Mixture rule
Derived-from rule
Universal waste rule
Household waste exclusion
A rule which states that any waste derived from the treatment of a hazardous waste remains a hazardous waste.
The mixture rule
The treatment rule
The derived from rule
The hazard rule
Generally refers to sulfur trioxide in the flue gas.
Acid rain
Acid gas
Hydrochloric acids
Stack gas
What consists of weak solutions of sulfuric, hydrochloric, and to a lesser extent, nitric acids?
Stack gas
Acid rain
Acid compound
Pollutant
A fibrous silicate mineral material that is inert, strong and incombustible.
Fiberglass
Plastic
Rubber
Asbestos
An insulator with superior tensile strength but low heat resistance.
Rubber
Plastic
Fiberglass
Asbestos
Are highly concentrated liquid wastes produced in landfills.
Aerosols
Leachates
Nitrogen dioxide
Urea
What is the primary cause of smog formation?
Toxins
Dioxins
Oxidants
Nitrogen oxides
Is a water soluble organic compound prepared from ammonia. It has significant biological and industrial usefulness.
Urea or carbamide urea
Nitrite
Chlorinated organics
Oxidants
Are by products of reaction between combustion products.
Photochemicals
Oxidants
Organics
Sediments
"Particulate matter" is defined as all particles that are emitted by a combustion source. What is another term for particulate matter?
Dust
Aerosol
Biosolids
Sediments
Are organic compounds manufactured in oily liquid and solid forms through the late 1970s and subsequently prohibited.
Polychlorinated biphenyls (PCBs)
Polyvinyl chloride (PVC)
Trihalomethanes
Plastic
A type of polymer used for Styrofoam cups and "clam shell" food containers.
Polyvinyl chloride (PVC)
Polystyrene (PS)
Low density polyethylene (LDPE)
Polypropylene (PP)
A type of polymer used for labels, bottles and housewares.
Polyvinyl chloride (PVC)
Polystyrene (PS)
Low density polyethylene (LDPE)
Polypropylene (PP)
A type of polymer used for clear bottles.
Polyvinyl chloride (PVC)
Polystyrene (PS)
Low density polyethylene (LDPE)
Polypropylene (PP)
Refers to the high-temperature removal of tarry substances from the interior of the carbon granule, leaving a highly porous structure.
Absorbent
Activated
Breakthrough
Adsorbent
A substance with high surface area per unit weight, and intricate pore structure, and a hydrophobic surface.
Adsorbent substance
Absorbent substance
Homogeneous substance
Activated substance
Is a high-temperature process that turns incinerator ash into a safe, glass-like material.
Advance oxidation
Biofiltration
Vitrification
Bioventing
Refers to the use of composting and soil beds.
Biofiltration
Bioremediation
Bioventing
Bioreactors
Are open or closed tanks containing dozens or hundreds of slowly rotating disks covered with a biological film of microorganisms.
Biofilter
Bioreactor
Biomediator
Bioinventor
Refers to the treatment of contaminated soil in a large plastic-covered tank.
Bioventing
Biological recycling
Biocycle
Bioremediation
All of the following occur during oxidation of a substance except _____.
oxidation state increases
loss of electrons
the substance becomes less negative
oxidation of the oxidizing agent
All of the following occur during reduction of a substance except _____.
an increase in negative charge
loss of electrons
an oxidation state decrease
reduction of the oxidizing agent
All of the following are units of energy except:
Calories
Joules
Pascals
MeV
What do you call the mixture if the solute particles of a solid suspended in a liquid are larger than molecules?
Solution
Suspension
Hydration
Saturated solution
What do you call the mixture when a solvent has dissolved as much solute as it can?
Solution
Mild solution
Hydration
Saturated solution
The equilibrium constant for weak solution is known as _____.
Ionization constant
Arrhenius exponent
Solubility product
La Chatelier's constant
What do you call the mixture if the solute particles of solid suspended in a liquid are larger than the molecules?
Solution
Suspension
Hydration
Saturated solution
When a solvent has dissolved as much solute as it can, the mixture is called _____.
solution
suspension
hydration
saturated solution
When excess solute in a solution settles to the bottom of the container, the process is called _____.
salvation
demulsification
precipitation
equation
The amount of energy absorbed when a substance enters a solution is called the _____.
heat of fusion
heat of sublimation
endothermic heat of solution
exothermic heat of solution
The absorption of water by a desiccant often demonstrates:
heat of fusion
heat of vaporization
endothermic heat of solution
exothermic heat of solution
A substance that absorbs moisture from the air is _____.
deliquescent
effervescent
efflorescent
a precipitant
The removal of a dissolved gas or other volatile component from liquid by exposing the liquid to air or steam is known as:
stripping
spraying
gas absorption
scrubbing
Which of the following contribute to the deterioration of the Earth's ozone layer?
Carbon monoxide
Carbon dioxide
Chlorofluorocarbons
Refrigerants
Ozone filters out what type of radiation that damages crops and causes skin cancer?
Tropospheric radiation
Atmospheric radiation
X-rays
Ultraviolet radiation
The color of water is measured _____.
in terms of pH value
in terms of degree of hardness
in terms of platinum cobalt scale
ppm of dissolved solids
What turbidimeter that gives direct readings in ppm?
Jackson turbidimeter
Hellige turbidimeter
Baylis turbidimeter
All of the above
Which of the following is not a sound absorptive material?
Rugs
Carpets
Mirrors
Heavy drapes
