CHAPTER 10 Variable Load And Environmental Engineering Flashcards
1
Q
The maximum continuous power available from a hydro electric plant under the most adverse hydraulic conditions is called
A
B. Firm power
2
Q
The area under load curve divided by maximum demand represents
A
D. Diversity factor
3
Q
What is the adverse capacity of a plant
A
B. Plant capacity - maximum demand
4
Q
Load curve refers to the plot of
A
C. Load versus time
5
Q
The ratio of maximum load to the rated plant capacity is called
A
B. Utilization factor
6
Q
Peak load for a period of time divided by the installed capacity is
A
C. Utilization factor
7
Q
The ratio of the sum of individual maximum demands of the ratio of the system to the maximum demand of the whole system is
A
A. Diversity factor
8
Q
The ratio between the actual power and the apparent power in any circuit is known as the —– of that circuit
A
C. Power factor
9
Q
The ratio of maximum load to the rated plant capacity
A
B. Utilization factor
10
Q
The ratio of the average load to the peak load over a designated period of time is called
A
A. Load factor
11
Q
The ratio of the sum of individual maximum demands of the system to the overall maximum demand if the whole system
A
B. Diversity factor
12
Q
Load curve refers to the plot of
A
C. Load versus time
13
Q
The ratio of maximum load to the rated plant capacity
A
B. Utilization factor
14
Q
The ratio of the average load to the peak load over a designated period of time is called
A
A. Load factor
15
Q
The peak load for a period of time divided by installed capacity is
A
C. Utilization factor
16
Q
The area under load curve divided by maximum demand represents
A
D. Diversity factor
17
Q
The ratio of the sum of individual maximum demands of the system to the overall maximum demand of the whole system
A
B. Diversity factor
18
Q
The ratio between the actual power and the apparent power in any circuit is known as the —– of the circuit
A
C. Power factor
19
Q
Yeast as raw material for beer making is added to the equipment called
A
A. Fermenters
20
Q
A major cause of air pollution resulting from the burning of fuel oil is
A
C. Sulfur dioxide
21
Q
Heavy water is
A
D2O
22
Q
Scintillation counter are used to detect
A. Beta rays
B. X-rays
C. Gamma rays
D. All of the above
A
D. All of the above
23
Q
All of the following are common types of chemical reactions except
A. Direct combination
B. Fission
C. Decomposition
D. Double replacement
A
B. Fission
24
Q
Redox reaction can often be type of
A
D. Double replacement
25
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
B. Henry's law
26
All of the following pollutants are produced because of decaying organic matter except
A. Ammonia
B. Sulfur dioxide
C. Methane
D. Hydrogen sulfide
B. Sulfur dioxide
27
The velocity of radiations (v) and the frequency of radiations (f) are related to the wavelength of radiations by
A. v/f
28
Swimming pool water needs
D. De - chlorination
29
Aeration of water is done for all of the following purposes except for
A. Removal of CO2
B. Removal of bad taste
C. Increasing the amount of oxygen in water
D. Removal of temporary hardness
D. Removal of temporary hardness
30
Which of the following area of work requires lowest noise levels
B. Library
31
Mycotoxins are poisonous chemicals produced by
B. Molds
32
Turbidity in water is due to
D. Finally divided particles of clay, silt and organic matter
33
Per capita consumption of water is generally taken as
B. 150-300 liters
34
Which of the following industries have the highest consumption of water for processing
A. Foundry
B. Automobile industry
C. Paper mill
D. Aluminum industry
C. Paper mill
35
The ratio activity of water because of strontium can be removed by
C. Phosphate coagulation
36
Chemical used for checking the growth of algae in reservoirs is
C. Bleaching powder
37
Which of the following is not the pollutant from a sulfuric acid plants
D. Hydrogen sulfide
38
Which of the following is a cold cathode lamp
D. Neon Lamp
39
Which has an octane rating of more than 100
C. Benzol
40
The part per million is identical to
C. Milligrams per kg
41
In power plant an electrostatic precipitators is installed between
B. Furnace and chimney
42
At present, the number of true elementary particles, which include leptons and quarks, is thought to be:
D. 12
43
The effective size of a target atom that interacts with a moving particle is called its
C. Cross section
44
Most nuclear particles can react with atoms in several different ways including
C. Absorption and scattering
45
The operation that produces highest noise levels is
B. Riveting
46
The ratio absorbed by the transfer fluid to the original incident energy striking the collector
B. Collector efficiency
47
A swinging support constructed as part of the vessel and that supports the manway cover when it is unbolted and moved aside
A. Davit
48
Is the subjective method in which the smoke density is visually compared to five standardized white-black grids
A. Ringelman scale
49
The ratio of fugacity at actual conditions to the fugacity at some reference state is known as
B. Activity
50
A type of polymer used for detergents, milk bottles, oil containers and toys
C. High density polyethelene
51
A type of polymer used for grocery bags and food wraps
C. Low density polyethelene
52
A radioactive gas produced from the decay of radium within the rocks beneath a building
B. Radon
53
Consists of ground - level ozone and peroxyacyl nitrates (PAN)
A. Smog
54
A term used to mean the corrective steps taken to return the environment to its original condition
B. Remediation
55
The burning of low sulfur fuel is known as
A. Fuel switching
56
The removal of particulate matter from a gas flow by exposing the flow to a liquid or slurry is known as
C. Scrubbing
57
The drop in a solvent's vapor pressure and the increase in mole fraction as solute is added is described by
C. Raoult's law
58
All of the following statements are characteristics of bases except
A. They conduct electricity in aqueous solutions
B. They turn red litmus paper blue
C. They have a pH between 0 and 7
D. They neutralize acids forming salts and water
C. They have pH between 0 and 7
59
All of the following statements about conjugate acids and bases are true except
B. A conjugate BASE results when a base accepts a proton
60
Are any solid particulate matter that becomes airborne, with the exception of particulate matter emitted from the exhaust stack of a combustion process
A. Dusts of fugitive dusts
61
Equipment leaks from plant equipments are known as
D. Fugitive emissions
62
What is the substance that absorbs or retains moisture
D. Humectant
63
Is a soluble compound that reduces a liquid's surface tension or reduces the interfacial tension between a liquid and a solid
A. Surface - acting agent of surfactant
64
A material or substance that is accidentally or intentionally introduced to the environment in a quantity that exceeds what occurs naturally
C. Pollutant
65
Refers to organic waste produced from biological waterwaste treatment processes
B. Biosolids
66
A rule which states that any solid waste mixed with hazardous waste becomes hazardous
A. The mixture rule
67
A rule which states that any waste derived from the treatment of a hazardous waste remains a hazardous waste
C. The derived from rule
68
Generally refers to sulfur trioxide SO3 in the flue gas
B. Acid gas
69
What consists of weak solutions of sulfuric, hydrochloric, and to a lesser extent, nitric acids
B. Acid rain
70
A fibrous silicate mineral material that is inert, strong and incombustible
D. Asbestos
71
An insulator with superior tensile strength but low heat resistance
C. Fiberglass
72
Are highly concentrated liquid wastes produced in landfills
B. Leachates
73
What is the primary cause of smog formation
D. Nitrogen oxides
74
Is a water soluble organic compound prepared from ammonia. It has significant biological and industrial usefulness
A. Urea or carbamide urea
75
Are byproducts of reaction between combustion products
B. Oxidants
76
"Particulate matter" is defined as all particles that are emitted by a combustion source. What is another term. For particulate matter
B. Aerosol
77
Are organic compounds manufactured in oily liquid and solid forms through the late 1970s and subsequently prohibited
A. Polychlorinated biphenyls (PCBs)
78
A type of polymer used for Styrofoam cups and "clam shell" food containers
B. Polystyrene
79
A type of polymer used for labels, bottled and housewares
D. Polypropylene (PP)
80
A type of polymer used for clear bottles
A. Polyvinyl chloride (PVC)
81
Refers to the high - temperature removal of tarry substance from the interior of the carbon granule, leaving a highly porous structure
B. Activated
82
A substance with high surface area per unit weight, intricate pore structure, and a hydrophobic surface
A. Adsorbent substance
83
Is a high temperature process that turns incenerator ash into a safe, glass like material
C. Vitrification
84
Refers to the use of composting and soil beds
A. Biofiltration
85
Are open or closed tanks containing dozens or hundreds of slowly rotating disks covered with a biological film of microorganisms
B. Bioreactor
86
Refers to the treatment of contaminated soil in a large plastic covered tank
A. Bioventing
87
All of the following occur during oxidation of a substance except
A. Oxidation state increases
B. Loss of electrons
C. The substance becomes less negative
D. Oxidation of the oxidizing agent
D. Oxidation of the oxidizing agent
88
All of the following occur during reduction of a substance except
A. An increase in negative charge
B. Loss of electrons
C. An oxidation state decrease
D. Reduction of the oxidizing agent
B. Loss of electrons
89
All of the following are units of energy except
A. Calories
B. Joules
C. Pascals
D. MeV
C. Pascals
90
What do you call the mixture is the solute particles of a solid suspended in a liquid are larger than molecules
B. Suspension
91
What do you call the mixture when a solvent has dissolved as much solute as it can
D. Saturated solution
92
The equilibrium constant for weak solution is known as
A. Ionization constant
93
What do you call the mixture if the solute particles of solid suspended in a liquid are larger than the molecules
B. Suspension
94
What do you call the mixture when a solvent has dissolved as much solute as it can
D. Saturated solution
95
The equilibrium constant for weak solution is known as
A. Ionization constant
96
If the solute particles of a solid suspended in a liquid are larger then molecules, the mixture is known as
B. Suspension
97
When a solvent has dissolved as much solute as it can, the mixture is called
D. Saturated solution
98
When excess solute in a solution settles to the bottom of the container, the process is called
C. Precipitation
99
All of the following express units of concentration except
A. Normality
B. Molarity
C. Formality
D. Isotropy
D. Isotropy
100
The desirable temperature inside an air conditioned auditorium is
D. 20 degree Celsius
101
Which of the following acts as ignition accelerator for internal combustion engine fuels
A. Acetone peroxide
102
Which of the following does not use ambient air for propulsion
B. Turbo prop
103
Most observed properties of light and other radiant energy are consistent with waves in nature, but in interactions with matter, electromagnetic energy behaves as though it consists of discrete pieces or
C. Quanta
104
The amount of energy absorbed when a substance enters a solution is called the
C. Endothermic heat of solution
105
The absorptions of water by a dessicant often demonstrates
D. Exothermic heat if solution
106
A substance that absorbs moisture from the air is
A. Deliquescent
107
The removal of a dissolved gas or the other volatile component from liquid by exposing the liquid to air or steam is known as
A. Stripping
108
Which of the following contribute to the deterioration of the Earth's ozone layer
A. Carbon monoxide
B. Chloroflourocarbons
C. Carbon dioxide
D. Refrigerants
B. Chlorofluorocarbons
109
Ozone filters out what type of radiation that damages crops and causes skin cancer
D. Ultraviolet radiation
110
All of the following factors affect rates of reaction except
A. Exposed surface area
B. Concentrations
C. Temperature
D. Pressure
D. Pressure
111
Le Chatelier's principle predicts the direction of a state of chemical equilibrium based on all of the following factors except
B. Specific Volume
112
The amount of energy necessary to cause a reaction to occur is called the
C. Activation of energy
113
The equilibrium constant for weak solutions is known as
A. The ionization constant
114
The speed at which a reaction proceeds to equilibrium is the purview of
A. Reaction kinetics
115
The color of water is measured
C. In terms of platinum cobalt scale
116
What turbidimeter that gives direct readings in ppm
A. Jackson turbidimeter
117
Which of the following is not a sound absorptive material
A. Rugs
B. Mirrors
C. Carpets
D. Heavy drapes
B. Mirrors
118
The total cross section of a target atom is made up of
C. The absorption and scattering cross sections
119
Which of the following cannot be a phenomenon of neutron interactions
D. Fusion
120
Which of the following cannot be used to describe neutron kinetic energy levels
D. Freezing
121
All of the following are words used to describe neutron kinetic energy levels except
A. Slow (resonant)
B. Fast
C. Supersonic
D. Relativistic
C. Supersonic
122
The reduction of nuclear radiation intensity (called attenuation) is accomplished by
C. Shielding
123
The ability of substance to absorb neurons depends upon its
A. Absorption cross section
