Compressor Study guides, Class notes & Summaries

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...

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...

Which quality improvement component of systems of care best describes the capture and review of data related to resuscitation education, processes, and outcomes? Measurement Which one of the following is an interdependent component of systems of care? Structure Science of Resuscitation. What is an effect of excessive ventilation? decreased CO Which is the maximum interval you should allow for an interruption in chest compressions? 10 s Which is the recommended next step after a defibrill...

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...

Z-51 Written Exam Questions and Complete Solutions In a steam turbine, what is the function of a Kingsbury thrust bearing? A) Maintain first stage steam pressure. B) Compensate for coupling misalignment. C) Adjust shaft torque at start up. D) Maintain axial positioning of the rotor shaft. - Answer: D) Maintain axial positioning of the rotor shaft. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature is A) partial pressure....

Unloading Valve Correct Answer-Allows the air to escape from the compression chamber when there is a strain on the electrical motor. Reciprocating Air Compressor Correct Answer-The most commonly used air compressor. Electric motor Correct Answer-The most common power source for an air compressor is Reciprocating, centrifugal, rotary and solar Correct Answer-Types of air compressors 5 feet Correct Answer-How far above ground level should you raise the air compressor ? Pressure Reli...

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 ...

This is the distance between the surface of the liquid level of a supply source located below a pump and the center line of the pump: Select one: a. total static head b. static discharge head c. static suction head d. static suction lift correct answers d The fact that different shaped containers, filled with liquid of the same height, have the same applied force by the liquid on the base of each container, is referred to as: Select one: a. Peterʼs Paradox b. Pascalʼs Paradox c. ...

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...

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...