Compressor - Study guides, Class notes & Summaries

100 lbs per square inch (psi) Correct Answer-Above how much compressed air pressure does a person need a permit? Reciprocating, centrifugal, rotary, and solar Correct Answer-Name four different types of air compressors Reciprocating air compressor Correct Answer-What is the most common form of air compressor? Electric motors, internal combustion engines, or steam turbines Correct Answer-What can air compressors be powered by? Compression of the flammable gas May lead to an explosion ...

A change in a project is a made due to errors/emissions - Constructive change A condenser that consists of a welded steel shell containing a number of straight tubes fastened in tube sheets that close the shell - Shell-and-tube condenser A heat pump that takes heat from the outdoor air and rejects it to the inside space in the winter. In the summer, the reverse happens-heat from indoors in rejected outside. Most commonly found in residential and smaller commercial applications, due to being...

Class A Fire Correct Answer-Wood, paper, cloth, trash & other ordinary materials. Class B Fire Correct Answer-Gasoline, oil, paint & other flammable liquids. Class C Fire Correct Answer-Live electrical equipment. Class D Fire Correct Answer-Combustible metals & metal alloys. Class K Fire Correct Answer-Cooking media (vegetable oil, animal fats & oils). What does PASS stand for? Correct Answer-Pull, Aim, Squeeze, Sweep (stand back 20 feet, aim at base of fire) What is travel di...

For average operating conditions, it is recommended that 1 ounce of grease be added at what monthly intervals? - Answer-3 to 6 The mechanism or linkage that transmits the mechanical power developed by the prime mover is also known as what? - Answer-Drive How does the diesel engine produce combustion? - Answer-Heat of compression (True or False) Pumps are used to move only water that flows or can be made to flow. - Answer-FALSE Rotary pumps are classified by the type of _____. - Answe...

Commercial Refrigeration Ch 8 (Compressor Motor Controls) Questions and Answers 100% CorrectCommercial Refrigeration Ch 8 (Compressor Motor Controls) Questions and Answers 100% CorrectCommercial Refrigeration Ch 8 (Compressor Motor Controls) Questions and Answers 100% CorrectWhat are the two main weaknesses of 3Ø motors? - ANSWER - Phase loss and voltage unbalance. What formula is used to measure the percentage of voltage unbalance? - ANSWER - Vu = Vd / Va The amperage load rating of a co...

COMPRESSORS, FANS AND BLOWERS TEST QUESTIONS WITH VERIFIED ANSWERS Multi-staging - Answer-is simply the compression of air or gas in two or more cylinders in place of a single cylinder compressor. It is used in reciprocating compressors when pressure of 300 kPa and above are desire, in order to: Save power Limit the gas discharge temperature Limit the pressure differential per cylinder Prevent vaporization of lubricating oil and to prevent its ignition if the temperature becomes to...

NRP 8TH EDITION FINAL EXAM 2024 Questions and Answers (2024/2025)(Verified Answers)1. During a delivery, when and where should a person with intubation skills be available?: In the hospital and immediately available 2. ou are resuscitating a critically ill newborn whose heart rate is 20 bpm. The baby has been intubated and the endotracheal tube insertion depth is correct. You can see chest movement with PPV and hear bilateral breath sounds, but the colorimetric CO2 detector does not turn yellow...

fdny z51 rmo questions answered 2023 verified graded A+ already passed!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 lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the difference between the high side an...

COMPRESSORS UNIT 23 EXAM 1 QUESTIONS WITH COMPLETE SOLUTIONS Purpose of Economizer - Answer-Reduces flash gas by having a 2 stage pressure drop through float section Capacity control of centrifugal compressors - Answer-Speed control Butterfly damper Variable inlet vanes Compression factors that affect efficiency - Answer-piston/compressor displacement suction/discharge valves number of cylinders clearance pocket (size) Speed Suction/discharge pressures Types of refrigerant used...

Above how much compressed air pressure does a person need a permit? - Precise Answer 100 lbs per square inch (psi) Name four different types of air compressors - Precise Answer Reciprocating, centrifugal, rotary, and solar What is the most common form of air compressor? - Precise Answer Reciprocating air compressor What can air compressors be powered by? - Precise Answer Electric motors, internal combustion engines, or steam turbines Why is it dangerous to work with an air compressor...