Pumps and compressors - Study guides, Class notes & Summaries

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...

A-35 Air compressor COF Exam Questions And Answers A permit is required for any air compressor that compresses air at pressures above ___ pounds per square inch (psi). These permits are issued by the Bureau of Fire Prevention - ANS 100 The different types of air compressors are - ANS the reciprocating, centrifugal, rotary and solar compressors The most commonly used air compressor is the - ANS reciprocating air compressor The air compressors can be powered by - ANS elec...

FDNY A-35 Exam Questions & Answers 2023/2024 Air compressors power... - ANSWER-(1) industrial equipment and (2) construction tools Examples of equipment powered by air compressor - ANSWER-pneumatic wrenches, lifts in auto service stations, paint spray booths Air compressors enable... - ANSWER-(1) efficient repair of all types of vehicles; and (2) facilitate their safe operation on public thoroughfares Permit is required for air compressor - ANSWER-that compresses air above 100 PSI ...

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...

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 - 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. Pandaʼs Parad...

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

Test Bank For Modern Refrigeration and Air Conditioning 21st Edition by Andrew D. Althouse, Carl H. Turnquist, Alfred F. Bracciano, Daniel C. Bracciano, Gloria M. Bracciano 8776, 1, 6044, 1 1 - Careers and Certification 2 - Safety 3 - Service Calls 4 - Energy and Matter 5 - Gases 6 - Basic Refrigeration Systems 7 - Tools and Supplies 8 - Working with Tubing and Piping 9 - Introduction to Refrigerants 10 - Equipment and Instruments for Refrigerant Handling and Servic...

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. ...

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 ...

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 - ...