Z 51 refrigeration Study guides, Class notes & Summaries

FDNY Z51/ Z-51 REFRIGERATION EXAM TEST ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+

FDNY Z51/ Z-51 REFRIGERATION EXAM TEST ACTUAL EXAM 250 QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+

FDNY Z-51 REFRIGERATION EXAM TEST QUESTIONS WITH CORRECT ANSWERS 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 assig...

Oct/Nov 2021 TAX2601 Principles of Taxation 100 Marks Duration 2 Hours (plus 60 minutes for upload) This paper consists of nine (9) pages plus the annexure (p i). IMPORTANT INSTRUCTIONS: 1. All amounts exclude VAT unless stated otherwise. 2. All persons mentioned are residents of the Republic of South Africa unless stated otherwise. 3. SARS = South African Revenue Service The answering of this paper: 1. This paper consists of four (4) questions. 2. Answer all the questi...

Z-51 Written Test Questions and Answers (100% Correct) Answers 2023/2024 Grade A+. 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.: correct answer- D) Maintain axial positioning of the rotor shaft. 2. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given t...

Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: 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 withdraw refrigerant for storage in suitable containers. According to the N...

Z-51 Written Test Questions and Answers Latest 2023/2024 (Grade 100%). 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.: correct answer- D) Maintain axial positioning of the rotor shaft. 2. The ratio of actual pressure of water pressure in the atmosphere to the saturated pressure of given temperature i...

FDNY Z-51- REFRIGERATION LUBRICANTS EXAM QUESTION AND VERIFIED ANSWERS LATEST UPDATE compressor lubrication - ANSWER an adequate supply of oil must be maintained in the crankcase of a refrigeration compressor at all time to ensure continuous circulate properly through a system with refrigerant - ANSWER refrigeration lubricants must have certain properties in order to be able to flow in low temps, withstand high temps and remain harmless to refrigerants and equipment, travel fre...

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...

FDNY Z-51- Refrigeration Engineer TEST Q&A 1. which of the following are reference document commonly used by ref engineers in us - ANSWER national fire protection 2. water and moisture is a serious problem in a refrigeration system water can be kept out of the system. - ANSWER proper evacuation after charging the system 3. the pressure drop through the condenser is directly proportional to the square of the water velocity. at the flow rate the condenser water pressure drop is 40 psi. ...