Compressor Samenvattingen, Notities en Examens

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...

Fdny A35 Exam Questions and Answers 100% Pass What are air compressors used to power? -Answer-Industrial equipment and construction tools What pressure compressor require a certificate holder to operate? -Answer-100+ psi What are two examples of tools air compressors power? -Answer-Pneumatic wrenches and air lifts in automobile repair shops What are the 4 types of air compressors? -Answer-Reciprocating, centrifugal, rotary, and solar How can air compressors be powered? -Answer-Electric m...

HeartCode BLS (American Heart Association) 2023/2024 QUESTION AND CORRECT ANSWER You are a member of the emergency response team for your hospital and are called to a code blue. You arrive to find one of your colleagues leading a resuscitation attempt to an elderly patient. You notice that the person performing chest compressions seems to be tiring, and the compression rate is slowing. When should rescuers switch positions during CPR? A. Never switch rescuers, and maintain current ...

Concerning protective trips on a compressor, what does LPCO stand for? - Answer-Low pressure cut out A type of compressor that uses two kidney bean shaped impellers to trap and transfer gasses is a/an: - Answer-Rotary Certain speeds of rotation that can cause severe vibration is called: - Answer-Critical speeds Which type of seal should be used in between stages of a compresser compressing a flammable or toxic gas? - Answer-Mechanical A type of pump seal that has one stationary part ...

c - Answer-centrifugal pumps convert rotating mechanical energy into kinetic energy then a) discharge the kinetic energy b) back to mechanical energy c) into potential energy in the form of pressure d) into centrifugal force b - Answer-a volute type pump a) is a positive displacement pump b) has spiral casing with an increasing cross sectional area c) reduces velocity in the discharge nozzle d) is a regenerative type pump a - Answer-pump wear rings are installed on an i...

Z-51 REFRIGERATION TEST With Correct Solutions 2024 Update Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: - Answer -Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - 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 have been assigned to withdr...

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...

Prime Movers and Engines/Pumps And Compressors/Heating Boilers – Q&A

Portable air compresser units or AC units - Answer-What are rotary screw pumps used for? 360 - Answer-How many degress does the essentric rotate to complete one cycle? Single acting piston compressors - Answer-Simplest form of compressors Rotary screw, sliding vane, liquid ring, lobe - Answer-Types of PD compressors Prevent gas leakage - Answer-Purpose of seal on compressors Receiver, oil reservoir - Answer-Where do you check for water on a compressor Purpose of piston rings - ...

EPA 608 Type 1 Questions and Answers 100% Pass Recovery equipemnt used for the service or repair of small appliances must be certified by an EPA approved lab if the recovery equipment was made after November 15, 1993 Recovery devices made before 11-15-93 and are used for recovery of refrigerant from small appliances must be capable of: recovering 80% of the refrigerant whether or not the compressor is operating or achieving a 4 inch vacuum under conditions of ARI 740-1993 EPA's definition of...