Systems

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99 Questions - Developed by: Darren - Developed on: - 3.156 taken

Systems Final study test

  • 1
    The firewater system has subterranean valves called
  • 2
    What are two design styles for steam traps?
  • 3
    Cooling Towers operate on the principal of heat removed by
  • 4
    The _____ receives the cooled water that falls down through the fill.
  • 5
    Water enters the tower through the
  • 6
    Tower louvres must be kept free of algae and scale to prevent
  • 7
    Proper control of blowdown conserves both
  • 8
    _____ is defined as the destruction of metal by electrochemical or chemical reaction
  • 9
    Replacement water for the cooling tower sump is called ______
  • 10
    Cooling tower water may be a reservoir for disease microbes
  • 11
    Plant and instrument air come from the same source
  • 12
    Two or more compressors are sometimes referred to as ________
  • 13
    Compressors have a lube oil system that _______
  • 14
    ______ both cool the compressed air and knockout moisture
  • 15
    A high water level in the intercoolers will cause _______
  • 16
    ______ is contained in SCBA bottles
  • 17
    A heat exchanger that vaporizes liquid nitrogen is called a _______
  • 18
    Natural gas with a high volume of sulfur is called ______
  • 19
    ______ stepdown gas pressure from supply pressure
  • 20
    _____ provide a buffer in the case of pressure swings in the lines
  • 21
    The flammable limits of natural gas are _______
  • 22
    DB&B stands for double block and bleed
  • 23
    In firetube boilers the water is ______ of the tube
  • 24
    In general, the water level in the steam drum is maintained at ____________%
  • 25
    The _____ is a series of corrugated plates in front of the steam line that exits the steam drum
  • 26
    One advantage of the waterwall is that the tubes protect the ________
  • 27
    The _______ takes suction on the hot gases in the firebox and pulls them out of the stack
  • 28
    The _______ is a rotating basket type heat exchanger found in the flue gast stream
  • 29
    _____ is steam that has had heat energy removed from it and has returned to the liquid phase
  • 30
    Reducing steam pressure too quickly causes very high velocities that cause
  • 31
    Condensate can be drained from headers though a collection of pipes called
  • 32
    Condensate return can improve the economics of boiler operation
  • 33
    Condensate enters condensate headers from _______
  • 34
    Almost all difficulties encountered with condensate can be traced to _____ and ______
  • 35
    A ______ is a piece of equipment that atomizes the boiler feedwater and scrubs it with steam
  • 36
    ______ step up or step down electrical voltage
  • 37
    Two major electrical backup power systems are
  • 38
    During power failure, critical instrumentation, alarms, computers, and control panels are supplied with power through the ______ system
  • 39
    ____ is the generation of electricity by using waste heat from processes to make steam and drive generators
  • 40
    Lockout/Tagout for motor repair occurs in the ______
  • 41
    An arc flash blinds a person with _______
  • 42
    When waste gases are created, as much as possible is recovered though the ______ unit
  • 43
    Because of the possibility of two-phase flow, the vent header is designed for
  • 44
    A ______ pushes accumulated gases in the vent header towards the flare.
  • 45
    Valves are locked in position are said to be _______
  • 46
    The _______ contains water to extinguish a flame that backs into the system
  • 47
    The function of the _______ is to mix air with relief gas to promote complete and smokeless burning
  • 48
    One flare monitor detects ________
  • 49
    The temperature of the pilots are monitored
  • 50
    ______ is a form of energy that can be transferred though conduction, convection, or radiation
  • 51
    When vapors are formed, ______ is absorbed from the heated liquid
  • 52
    Absorption refrigeration systems use mechanical means for refrigeration.
  • 53
    The compressor performs two functions: It compresses the refrigerant and ________
  • 54
    Nearly all commercial distillation is multicomponent distillation
  • 55
    Between each tray is a ______, a device for liquid to flow from one tray to another
  • 56
    On the side of the tray receiving liquid from a downcomer is a _______
  • 57
    A decrease in pressure inside a column causes
  • 58
    As liquid flows down a tower from tray to tray, it's _______ decreases
  • 59
    As liquid flows down a tower from tray to tray, it's _____ increases
  • 60
    Reactors are rounded vessels so that there would not be any dead spaces that reduce mixing and yield
  • 61
    ____ is a method of calculating the amounts of materials that must put into the reactor to produce the desired amounts of products
  • 62
    Two process variables directly related to the speed at which reactions occur are _____ and ________
  • 63
    In general, reaction rates double for every ____ C increase in temperature.
  • 64
    A ______ is a heat exchanger made of piping that surrounds the reactor
  • 65
    The ideal reactor yield is _______
  • 66
    A ______ is a substance that slows down reactions or prevents undesirable reactions from taking place
  • 67
    A ____ reactor produces finite amount of product from a finitie amount of reactants
  • 68
    The ______ is the actual material that separates the solid from the liquid stream
  • 69
    The _____ filter is probably the most common filter device
  • 70
    A strainer is just a screen placed across a line to remove rust and debris
  • 71
    A magnetic field consists of a series of lines called what?
  • 72
    AC flows
  • 73
    A mass transfer device can be a _______
  • 74
    Absorbers are used principally to control the emissions of
  • 75
    Changes in _____ will cause a change in the density of extraction fluids
  • 76
    ______ is caused when an open path through the adsorber bed allows the feed to avoid intimate contact with the adsorbent
  • 77
    When the solvent and feed both enter the reactor from the same side, the flow pattern is called
  • 78
    Once granular activated carbon in a bed has reached it's break point must be
  • 79
    ______ occurs when the extract mixture has reached a point at which it contains the maximum amount of solute.
  • 80
    ____ are the most versatile adsorbents
  • 81
    ____ are the simplest and most commonly used extraction vessels
  • 82
    GAC stands for guard activated column
  • 83
    A water with a pH of 11 is
  • 84
    ____ adjustment prevents damaging to piping.
  • 85
    Algae and bacteria are
  • 86
    _____ are solid materials such as clay and sand that are not dissolved in water
  • 87
    ____ at the front of the raw water intake removes large debris
  • 88
    Backwashing is a method used to
  • 89
    Clarifiers are:
  • 90
    A ____ is a chemical that reacts with suspended materials and forms a precipitate
  • 91
    Refinery and process plant wasteater must be treated before it is released to the environment because it contains
  • 92
    A floc is
  • 93
    Granular media filtration is usually used for removing
  • 94
    One mg/l is
  • 95
    Microorganisms can be controlled in water by injecting chemicals called
  • 96
    Most oil field water
  • 97
    A permeable rock is
  • 98
    Which is most likely to be a physical process
  • 99
    Scale is

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