Compressors - Study guides, Class notes & Summaries

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...

EPA 608 Type 2 Test Questions With Answers Technicians maintaining, servicing, repairing or disposing of high pressure or very high-pressure appliances, except small appliances and MVAC, must be certified either as a Universal Technician or a ______ ___. - CORRECT ANSWER Type 2 After the installation of any type of system, the unit should be pressurized with _____ and _____ checked. - CORRECT ANSWER nitrogen leak Nitrogen is an ______ gas. - CORRECT ANSWER...

A-35 / SUPERVISION OF AIR COMPRESSORS (CITYWIDE)

A-35 / Supervision of Air Compressors (Citywide) Questions And Answers (Already Passed)

BECC TEST 5 - QUESTIONS AND ANSWERS How often do you sample equipment using 2000 series oil? Daily What equipment is used to conduct a flash point test? NAVI flash LO purifier efficiency should be tested after starting and every thereafter? EOOW, 30 min. & 4 hours What provides a standardized oil analysis testing procedure for the Navy, Army, and Air Force? JOAP (Journal Oil Analysis Program) How long are LO logs kept on board? 2 years What is the purpose of the lube oil heater? Circulating ty...

Compressors, Fans, and Blowers Test Questions with Answers The flow of air or gas is carried by the __________ created by the energy transmitted to the gas by the rotating wheel - Answer-pressure differential If no resistance to flow exists, no inlet and outlet duct, the fan provides the gas with ________ only, and no compression or rarefaction occurs. - Answer-velocity energy It consists of an impeller of the squirrel-cage type, operating within a scroll-type housing and including drivi...

HVACR ELECTRICAL-CMS, 11 of 14, Motor/Compressorss EXAM...

Refrigeration Theory 2 - Unit 23 Compressors Exam Questions with Certified Answers What 4 processes take place during the reciprocating compression process? - Answer-1. Expansion (re-expansion) 2. Suction (intake) 3. Compression 4. Discharge When installing a reciprocating compressor, which direction should the motor rotate? - Answer-Doesn't matter When servicing a reciprocating compressor, which direction should it rotate when put back? - Answer-The same direction it was already rot...

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS Two basic categories of chillers are the compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation circulation The primary function of an expansion device is to produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the load to g...

A-35 / Supervision Of Air Compressors (Citywide) Exam With 100 Correct And Verified Answers 2024