Industrial Plant Engineering Elements Review

1. PRE-COOLER - It cools CO2 gas w/ glucose as cooling medium and removes a considerable amount of moisture by condensation

15. EXPANSION VALVE Type of refrigerant control which maintains pressure difference between high side and low side pressure in refrigerating mechanism

2. PSYCHROMETRY - The study of properties of air and its water vapor contents

16. When a center line pump for water is operated with the valve closed THE EFFICIENCY WILL HAVE ITS LOWEST VALUE

3. METHANE REACTOR - It is the anaerobic digester where the decomposition of breakdown of organic matter is taking place 4. BLOWER - It raises fermented CO2 pressure from 2"H2O to 5-7 psig and necessary to overcome pipe friction.

17. In refrigeration system, the heat absorbed in the evaporator per kg of refrigerant passing through EQUALS THE INCREASE IN ENTHALPY

5. DO METER - an instrument used to measure the amount of dissolved oxygen in the aeration tank.

18. Air passing through a spray chamber in which the spray water in recirculated but not heated or cooled WILL BE HUMIDIFIED AT APPROXIMATELY CONSTANT WETBULB TEMPERATURE

6. The type of valve which should be used only wide open or fully closed is at the GATE VALVE

19. A receiver in an air compression system is used to AVOID COOLING AIR BEFORE USING

7. Solely from the standpoint of thermodynamic efficiency, air compressor should approach is ISOTHERMAL COMPRESSION

20. If the operational of the usual rotary gear pump handling a liquid, THE LIQUID IS TRAPPED BETWEEN THE GEAR TEETH AND CASE AND IS CARRIED AROUND TO THE DISCHARGE

8. Heat exchanger used to provide heat transfer between the exhaust gases and the air prior to the combustor REGENERATION 9. CONVECTION Heat transfer due to density differential

21. The absolute velocity of a liquid IN CENTIPOISES IN 100 TIMES THE OF NUMBER OF POISES

10. WASTEWATER An effluent of unwanted surplus substance arising from the application of any process

22. The compressing air in a water-jacketed air compressor the power required to derive it DEPENDS ON THE TEMPERATURE CHANGE OF AIR FOR A GIVEN PRESSURE RANGE

11. DEODORIZER It removes non-water soluble substance from CO2 gas/one for regeneration while other is in service.

23. In the usual commercial ammonia refrigerating system, the ammonia that has just passed through the expansion valve IS PARTIALLY VAPORIZED

12. One type of pipe which is not recommended for use in ammonia refrigerating system is BRASS

24. CHECK VALVE A valve designed to allow a fluid to pass through in one directional only

13. In the complete combustion of a fuel with excess air, the CO2 percentage DECREASE WITH INCREASE EXCESS AIR

25. LIQUID RECEIVER a vessel permanently connected to a system by inlet and outlet pipes of storage of liquid refrigerant 1. Cooling of air below its dew point temperature is described as COOLING AND DEHUMIDIFYING

14. If the dry and wet bulb rankings in air are identical THE AIR IS SATURATED

2. If the dry-bulb and wet bulb temperature reading in air are the same: AIR IS SATURATED

17. AUTOMATIC EXPANSION VALVE A refrigerant control valve that maintains a constant pressure in a evaporator

3. Refers to the temperature at which all molecular motion ceases according to the kinetic theory of heat ABSOLUTE ZERO

18. DRY BULB TEMPERATURE Surrounding air temperature

4. Is a parameter that measures the average size of imperfections inside the pipe SPECIFIC ROUGHNESS 5. Is a temperature at which liquid starts to boil or the temperature at which vapor begins to condense: SATURATION TEMPERATURE 6. Heat transfer by contact is CONDUCTION 7. COEFFICIENT OF PERFORMANCE The refrigerating effect to work of compression

19. R-22 MONOCHLORODIFLOUROMETHANE a popular refrigerant for air conditioning systems 20. ACCUMULATOR Used to prevent or minimize entry of suction line liquid refrigerant into the compressor --1. WATER FLOW METERS Measure condensate, feedwater, pump discharge, etc. 2. DENSITY Which of the following properties is not intensive property?

ratio

of

8. CHECK VALVE A valve designed to allow a fluid in one direction 9. THERMOMETER Instrument use to measure the hotness or coldness of a body 10. The reciprocal of the specific volume is the DENSITY 11. It is considered as the actual pressure of the system ABSOLUTE PRESSURE 12. FLOW WORK The amount of energy needed by the fluid to leave or enter a system 13. EVAPORATOR A part of the refrigeration system in which the absorption of heat takes place 14. CONDUCTION Transfer of heat from one fluid to another through dividing wall 15. The energy of gas due to its molecular motion is called INTERNAL ENERGY 16. The pressure of the low pressure side of a refrigeration (also known as suction pressure) BACK PRESSURE

3. Phenomenon in which liquid flashes into vapor in the suction section of the pump and then collapse at high pressure section is CAVITATION 4. Type of refrigerant control which maintains pressure difference between high side and flow side pressure in refrigerating mechanism EXPANSION VALVE 5. CHECK VALVE A valve designed to allow a fluid in one direction 6. The heat of fusion of ice in calories per gram is approximately 80 7. It is considered as the actual pressure of the system ABSOLUTE PRESSURE 8. The amount of energy needed by the fluid to leave or enter a system FLOW WORK 9. Transfer of heat from one fluid to another through dividing wall CONDUCTION 10. The energy of gas due to its molecular motion is called INTERNAL ENERGY 11. R-502 An azeotropic mixture of r-22 and R-114, a popular refrigerant for low temperature refrigeration systems.

12. SPECIFIC HUMIDITY The mass of water vapor per unit mass of dry air

1. WASTE WATER An effluent of unwanted surplus substance arising from the application of any process.

13. CONVECTION The heat transfer due to motion of matter caused by a difference in density

2. It removes non-water soluble substance from CO2 gas/one for regeneration while other is in service. – DEODORIZER

14. The tendency of a pump to cavitate will be increased if THE FLUID TEMPERATURE IS RAISED 15. WEIGHT The force acting on a body due to the gravitational pull of 9.81 meter per square second 16. If the dry bulb and wet bulb temperature reading in air are the same AIR IS SATURATED 17. Refers to the temperature at which all molecular motion ceases according to the kinetic theory of heat ABSOLUTE ZERO 18. FLUID Is a substance that exists as a continuum characterized by low resistance to flow and the tendency assume the shape of its container 19. SUBCOOLED LIQUID State of a substance whose temperature is below the saturation temperature corresponding to its pressure 20. Compound pressure gauge is used to measure – POSITIVE AND NEGATIVE PRESSURE 21. Select the one that is a safety device on a compressor – STRAINER 22. Centrifugal blowers can supply LARGE VOLUMES OF AIR AT LOW PRESSURE 23. The performance of a reciprocating compressor can be expressed by

𝒊𝒔𝒐𝒕𝒉𝒆𝒓𝒎𝒂𝒍 𝒘𝒐𝒓𝒌

3. R-502 An azerotropic mixture of R-22 and R-115, a popular refrigerant for low-temp refrigeration systems. 4. ROTARY PUMP An ideal type of pump used for pumping water with low discharge, low head, and used for pumping viscous liquids like oil 5. PRE-COOLER It cools CO2 gas w/ glucose as cooling medium and removes a considerable amount of moisture by condensation 6. PSYCHROMETRY The study of properties of air and its water vapor contents. 7. DO METER An instrument used to measure the amount of dissolved oxygen in the aeration tank 8. METHANE REACTOR It is the anaerobic digester where the decomposition or breakdown of organic matter is taking place 9. BLOWER It raises fermented CO2 pressure from 2”H20 to 5-7 psig and necessary to overcome pipe friction 10. EXPANSION VALVE Type of refrigerant control which maintains pressure difference between high side and low side pressure in refrigerating mechanism 11. INFLUENT It is the waste water that flows into each unit of operation of the wastewater treatment plant that is partially or completely treated.

𝒊𝒏𝒅𝒊𝒄𝒂𝒕𝒆𝒅 𝒘𝒐𝒓𝒌

24. An adiabatic process is one in which NO HEAT IS TRANSFERRED 25. If the pressure of the confined gas is constant, the volume is directly proportional to the absolute temperature. This is known as CHARLES LAW ---

12. COMPRESSOR It raises pressure of CO2 gas to 250 psig so that it can be liquefied at -100F 13. The temperature at which the water vapor in the air condenser when the air is cooled at constant temperature DEW POINT

14. PUMPS A machine that is used to add energy to a liquid in order to transfer the liquid from one point to another point of higher elevation

8. REFRIGERANT CONTAINER A vessel permanent connected to a system by inlet and outlet pipes of storage of liquid refrigerant

15. RECIPROCATING PUMP An ideal type of pumps used for pumping water with low discharge, high head, low speed and self-priming

9. A compressor used for large refrigeration system it is not positive displacement but it is similar to a blower CENTRIFUGAL COMPRESSOR

16. CENTRIFUGAL PUMP An ideal type of pump used for pumping water with high discharge, low head, high speed and not self-priming –

10. AXIAL FLOW A centrifugal pump in which the pressure is developed by the propelling or lifting action of the vanes of the impeller on the liquid

17. TOXICITY It is the irreversible inhibition of both acidogenic and methanogenic bacteria

11. RECIPROCATING PUMP An ideal type of pumps used for pumping water with low discharge, high head, low speed and self-priming

18. FOAM TRAP The equipment that is made to have CO2 per passed against a fine H2O spray 19. CONVECTION Heat transfer from one place to another using a fluid 20. REFRIGERATION means maintaining a a space cooler than the surrounding --1. INDUCED DRAFT FAN It draws the flue gas from the system and sends them up the stack 2. SUCTION HEAD It exist when the total suction is above atmospheric pressure 3. CO2 COMPRESSOR It raises pressure of CO2 gas to 250psig so that it can be liquefied at -100F 4. METHANE REACTOR It is the anaerobic digester where the decomposition or breakdown of organic matter is taking place. 5. INFLUENT It is the wastewater that will flow into each unit of operation of the wastewater treatment plant that is 6. The drift loss in cooling tower is about – 10 TO 20% 7. Phenomena in which liquid flashes into vapor in the suction section of the pump and then collapse at high pressure section is CAVITATION

12. A receiver in an air compression system is used to REDUCE THE WORK NEEDED DURING COMPRESSION 13. PSYCHROMETRY The study of properties of air and its water vapor contents 14. In the complete combustion of a fuel with excess air, the CO2 percentage INCREASE WITH THE INCREASE EXCESS AIR 15. FOAM TRAP The equipment that is made to have CO2 gas passed against a fine H2O spray