ROTARY DRYER- Is the most Decrease - For multi stage compression

common dryer used which consist of of an ideal Brayton cycle, the back ratio
rotating cylinder inside which the will
materials flow while getting in contact
with hot gas. Impulse Turbine- Type of turbine that
has a specific speed below 5.
RELATICE HUMIDITY- Is the ratio
of the mass of water-vapor in air and the Propeller Turbine- A high discharge
mass of air if it is saturated is called: type of turbine

10 degree C- The hands feel painfully Jet Deflector- Use to minimize the
cold when the skin temperature reaches speed rise due to a sudden load rejection

WATER- The refrigerant used in steam Unit Speed- Is the speed of a turbine
jet cooling is: when the head on the turbine is one
meter
WB Tempearature- The total heat of
the air is a function of Cohesion- Is a fluid property which
refers to the intermolecular attraction by
21 degree F- Boiling point of Freon-12 which the separate particles of the fluid
at atmospheric pressure is: arc held together.

Double Shell- Which of the following is High Compression Pressure- Which of

NOT a type of water cooled condenser the following is NOT the cause of black
in refrigeration? smoke in diesel engine?

Absorber- Component of absorption Using another Generator- Which of

refrigeration system in which the the following is not a method of starting
solution is cooled by cooling water. a diesel engine?

-46 Degree Celsius- Cascade Compression and Power stroke- Two-

refrigeration cycle is often used in stroke engine performs ________ to
industrial process where objects must be complete one cycle.
cooled to temperature below:
Binary Geothermal Plant- A type of
Capillary Tube- Type of refrigerant geothermal plant used when there is a
control designed to maintain a pressure presence of brine extracted from
difference while the compressor is underground
operating. Safety Valve- Is the most important
safety device on the power boiler.
1 PERCENT- As a rule of thumb, for a
specified amount of compressed air, the Removed- During hydrostatic test, the
power consumption of the compressor safety valves should be
decreases by ______________ for each
3 deg C drop in the temperature inlet air 197 degree Celcius- Where deaerating
to the compressor. heaters are not employed, it is
recommended that the temperature of
the feed water be not less than ______
Acoustic Leak Detector- Modern way
of detecting air compressor leak is by Exothermic Reaction- Is a reaction
using during which chemical energy is
released in the form of heat.
Wind Movement- For foundation of
stacks, the maximum pressure on the Increase- By reheating the steam in an
soil is equal to the pressure due to the ideal Ranking cycle the heat rejected
weight and the ___________. will.

3 Times the diameter of anchor bolt- Increase- By increasing the boiler

Foundation bolts of specified size pressure in Rankine cycle the moisture
should be used and surrounded by a pipe content at boiler exit will.
sleeve with an inside diameter of at least
620 Degree Celcius- Presently the
highest steam temperature allowed at the Mean of Aggress- A continuous and
turbine inlet is about ______. unobstructed path of travel from any
point in a building or structure to a
Hydrogen and Helium- Two most public way
common gases employed in Stirling and
Ericsson cycles are. Pressure Imposing Element- Any
device or portion of the equipment used
In most common design of gas turbine, to increase refrigerant pressure
the pressure ratio ranges from 11-16
Pumpdown Charge- The quantity of
Isobaric Process- In brayton cycle, the refrigerant stored at some point is the
heat is transformed during what refrigeration system for operational,
process? service, or standby purposes/

Approaches TDC- The fuel injection Secondary refrigerant is a liquid used

process in diesel engine starts when the for the transmission of heat, without a
piston ______ change of state, and having no flash
point or a flash point above 150
Decrease- If the cut-off ratio of diesel Farenheit as determined from ASTM
cycle increases, the cycle efficiency will
Three way Valve- A service valve for
Liquid- The fuel used in a power plant dual pressure-relief devices that allows
that is used during peak periods. using one device while isolating the
other from the system, maintaining one
Typical compression ratio of Otto cycle valve in operation at all times.
is 8 (eight)
Isothermal- If joule Thomson Unprotected Tubing- Tubing that is
coefficient is equal to zero, then the unenclosed and therefore exposed to
process will become crushing, abrasion, puncture, or similar
damage after installation.
Remains the same- If the fluid passed
through a nozzle its entropy will: Zeotropic- Refers to blends comprising
multiple components of different
Blends- Refrigerant consisting of volatile that, when used in refrigeration
mixtures of two or more different cycles, change volumetric composition
chemical compounds, often used and saturation temperature as they
individuals as refrigerant for other evaporate (boil) or condense at constant
applications. pressure.

Campanion Valve- Pairs of mating stop Institutional Occupancy- Is a premises

valves that allow sections of a system to or that of a premise from which, because
be joined before opening these valves or they are disabled, debilitated, or
separated after closing them confined, occupants cannot readily leave
without the assistance of others
Corridor- An enclosed passage way
that limits travel to a single path. Indirect open spray system- Is one in
which a secondary coolant is in direct
30 minutes- For immediate dangerous contact with the air or other substance to
to life or health (IDHL), the maximum be cooled or heated.
concentration from which unprotected
persons are able to escape within _____ Carbon Dioxide- Refrigerant number
without escape-impairing symptoms or R-744 is
irreversible health.
Ethene- Refrigerant number R-1150 is
Internal Gross Volume- The volume as
determined from internal dimensions of Chloromethane- Refrigerant R-40 is
the container with no allowance for the
volume of internal parts. One Quarter- When the air duct system
serves several enclosed spaces, the
Lobby- A waiting room or large permissible quantity of refrigerant in the
hallway serving as a waiting room system shall not exceed the amount
determined by using the total volume of Remains the same- Pressure loss due to
those spaces in which the airflow cannot friction at the condenser, the compressor
be reduced to less than ____ of its power per unit mass will
maximum
when the fan is operating Shell and Tube- Which of the
following is NOT a type of air-cooled
Plenums- The space above a suspended condenser?
ceiling shall not be included in
calculating the permissible quantity of Capillary Tube- A type of refrigerant
refrigerant in the system unless such control typically used in household
space is continuous and is part of the air refrigeration
return system
Evaporative Condenser- Type of
Outlet of Condenser- Which of the condenser that operates like a cooling
following is not a possible location of water
service valve?
Frosting- The major problem of heat
Drier Loop- A coil in series with pump is
evaporator that is use to prevent the
liquid refrigerant entering the R502- Dominant refrigerant used in
compressor commercial refrigeration system

Solenoid Valve- A type of valve Series- Cascade refrigerant system are

connected from discharge of compressor connected in
directly to suction that is normally
closed and will open automatically only Regenerator- Is use to heat up the
if there is high discharge pressure solution partially before entering the
generator in absorption refrigeration
Desuperheating Coils- Use to increase system
the capacity of condenser
Less than 1- The COP of actual
Liquid Subcooler- Is use to subcooled absorption refrigeration system is
the refrigerant from the condenser usually

Liquid Line- Which of the following is Liquid Line- Sight glass is often
NOT a part of low pressure side in located at
refrigeration system?
Electronic Detector- Use to detects a
Suction Line- Which of the following is vibration in current caused by the
NOT a part of high pressure side in ionization of decomposed refrigerant
refrigeration system? between two opposite charged platinum
electrodes
Liquid Line- Which of the following is
NOT a part of condensing unit? Miscibility- The ability of oil to mix
with refrigerants
Remains the same- By subcooling the
refrigerant in refrigeration system, the 700F- Joints and all refrigerants-
compressor power per unit mass will containing parts of a refrigerating
system located in an air duct carrying
conditioned air to and from an occupied
Remains the same- Superheating the space shall be constructed to withstand a
refrigerant in refrigeration system temperature of ____ without leakage
without useful cooling, the refrigeration into the airstream.
effect per unit mass will
2.2m- Refrigerant piping crossing an
Remains the same- By subcooling the open space that affords passageway in
refrigerant in refrigeration system, the any building shall be not loss than
specific volume at compressor suction ______ above the floor unless the piping
will is located against the ceiling of such
space and is permitted by the authority
having jurisdiction
Aluminum, Zinc, Magnesium- Methyl
chloride shall not be in contact with 5%- Seats and discs shall be limited in
distortion, by pressure or other cause, to
Magnesium- Shall not be in contact set pressure change of not more than
with any halogenated refrigerants ____ in a span of five years.

Aluminum and its Alloy- Are suitable 90%- Liquid receivers, if used or parts
for use in ammonia system of a system designed to receive the
refrigerant change during pumpdown
3 times- In a pressure-relief device is charge. The liquid shall not occupy
used to protect a pressure vessel having more than ____ of the volume when
an inside dimension of 6 in or less, the temperature of the refrigerant is 90F
ultimate strength of the pressure vessel
so protected shall be sufficient to
withstand a pressure at least ____ the
design pressure
Diffuser- The discharge line (B4) shall Inside the tube- In a closed feed water
be vented to the atmosphere through a heater, the feed water pass through
____ fitted to its upper extremity.
Drain cooler- Is use if extracted steam
Thermal Powerplant- Convert fossil upon condensation gets subcooled
fuels into the shaft work
Closed heater- Needs only single pump
400 to 500 C- Ultimate strength drops regardless of number of heaters
by 30% as steam temperature raises
from ____ for unalloyed steel Open heater- Is also known as
deaerator
438 C- Recent practice limits steam
temperature to O2 and CO2- Dissolve gases like
_____ makes water corrosive react with
metal to form iron oxide