Reciprocating compressor - Study guides, Class notes & Summaries

3B2 Power Engineer Exam Practice The disadvantages of a gas turbine are: 1. High cost of manufacture 2. High levels of noise pollution are produced 3. Low thermal efficiency 4. Requires many auxiliaries to be efficient A. 1, 2, 3 B. 1, 3, 4 C. 2, 3, 4 D. 1, 2, 4 E. 1, 2, 3, 4 - E The most common process method of refrigeration is: Select one: A. Absorption B. Lithium bromide C. Water vapor D. Vapor compression or mechanical E. Ammonia compression system - D To facilitat...

HVAC UNIT 3 REVIEW TEST WITH COMPLETE SOLUTIONS Ice melts in ice boxes because a. heat flows through the insulated walls. b. heat flows through the doorway when it is opened. c. heat is moved into the box when warm food is placed in it. d. All of the above. D High-temperature refrigeration is that produced by a. heat from a furnace. b. an air-conditioning system, c. the vegetable cooling system of a refrigerator. d. the freezer section of a refrigerator. B A ton of refrigerat...

Z-51 REFRIGERATION TEST QUESTIONS AND ANSWERS 100% VERIFIED. Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: - correct answer. Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - correct answer. Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of service for a major repair....

Competency C-2: Describe Common Power Tools and Their Uses | Latest Version | 2024/2025 | Rated A+ What feature does a reciprocating saw have that makes it effective for demolition? A) It has a rotating blade B) It has a back-and-forth cutting motion C) It uses sandpaper D) It has a stationary cutting guide What is an air compressor used for? A) To power pneumatic tools like nail guns B) To drill holes C) To cut wood D) To grind metal Which power tool is most useful for poli...

Refrigeration license review Exam Questions With Verified And Updated Solutions. At the condenser refrigerant enters as - answerhigh pressure gas and leaves as high pressure liquid If you were running three compressors, - answerhighly superheated vapor describes the state of the refrigerant leaving the third compressor the state of refrigerant as it leaves the compressor is (blank) and as it leaves the condenser is (blank) - answercompressor-super heated vapor condenser- warm sub-cooled...

Written Z51 Questions And Answers Latest Top Score. The efficiency of the refrigerant cycle is affected by the operation of the condenser. of the following. a more efficient centrifugal compressor operation results from: - correct answer. Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - correct answer. Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of service for a major repair. you hav...

FDNY A-35 EXAM | QUESTIONS & 100% CORRECT ANSWERS (VERIFIED) | LATEST UPDATE | GRADEA+ Air compressors power... Correct Answer: (1) industrial equipment and (2) construction tools Examples of equipment powered by air compressor Correct Answer: pneumatic wrenches, lifts in auto service stations, paint spray booths Air compressors enable... Correct Answer: (1) efficient repair of all types of vehicles; and (2) facilitate their safe operation on public thoroughfares Permit is requir...

HVAC FINAL Exam Questions With Verified Solutions. Which of the following would have the greatest effect on the heat content of the refrigerant? A) The refrigerant's humidity B) The refrigerant's state C) The refrigerant's temperature D) The refrigerant's pressure - answerCorrect Answer B) The refrigerant's state A mechanical refrigeration system cools a room by: - answerRemoving heat from the room. The four types of cooling mechanisms are: - answerEvaporative, Thermoelectric, Ab...

Compressors and Blowers Test Questions with All Correct Answers types of reciprocating compressors - Answer-single-stage- uses a single cylinder and compresses once mult-istage - compresses more than once depending on the number of cylinders Filters - Answer-placed before the inlet pipe to trap dust and other foreign materials from entering compressor, use cloth or metal material lubricating systems - Answer-lube oil system- low pressure, oil resevoir, pump, filters, coolers forced...

RETA CARO Questions & Revised Correct Answers. Guarantee Pass!! The boiling temperature of a liquid can be changed by - ANSWER : Changing the pressure on the liquid How are temperature and heat related? - ANSWER : D. Temperature is a measure of the intensity of the heat in an object What does the compressor do? - ANSWER : Moves refrigerant from the low side to the high side What does the expansion device do - ANSWER : Controls liquid refrigerant flow to the evaporator What does...