The condensing coil - Study guides, Class notes & Summaries

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....

On low pressure chillers, moisture typically enters the refrigerant system through ans air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: ans 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ans ... A hydrostatic tube test kit is used to: ans determine if a tube leaks Commercial and industrial process refrigeration systems must be repaire...

EPA 608 Type 3 Questions and Answers Already Passed On low pressure chillers, moisture typically enters the refrigerant system through air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be rep...

A restriction in the liquid line after the receiver(or condenser) will cause low or high subcool? - Normal actually since refrigerant not used in the evaporator is stored in the receiver. A restriction in the liquid line after the receiver(or condenser), the condensing temperature will be... - Low due to little heat from evaporator A restriction in the liquid line after the receiver(or condenser), the evaporating temperature will be... - Low A restriction in the liquid line after the recei...

HVAC NATE Heat Pump Exam (New 2024/ 2025 Update) Questions and Verified Answers 100% Correct | A Grade QUESTION In order to troubleshoot a load controlled by a control string, what should the technician check first? Answer: Proper voltage applied across the load. QUESTION The technician suspects that an outdoor thermostat used to bring on auxiliary heat may be out of calibration. The thermostat is a close-on-fall type that is adjustable. What is one method for ...

EPA 608 Type 3 exam with 100% Complete Solutions (Latest 2024/2025)The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. 35% Refrigerant recovery typically start with ...

ABSA 4B – 1 Questions with Complete Solutions 100% Verified Correct Answers R4B An anti-friction bearing: Select one: a. Tapered rollers b. Is a sleeve bearing c. Has rolling friction d. Wears to a smooth, low-friction surface e. Is constructed with white metal alloy - Correct Answer c The amount of water used in an evaporative condenser is only a small percentage of that used in a water-cooled condenser of the same capacity, because Select one: a. Water is scarce where evaporativ...

What is the movement of heat through space called? : Radiation A refrigerant release heat when : It condenses Why is it desirable for refrigerant in the suction line to be slightly superheated? : To insure liquid refrigerant does not enter the compressor A 30 pound cylinder of reclaimed R-22 refrigerant has been stored over night at 70 degrees F. What should be the approximate pressure in the cylinder? : 121 psig 2 14.7 psia( pouds per square inch absolute) is : Approximately 0 PSIG ...

The primary water source for cooling the condenser of a water-cooled recovery unit is: - local municipal water supply Which of the foloowing repairs would ALWAYS be considered "major" under EPA's - replacement of evaporator coil According to ASHRAE Guideline 3-1996, if the pressure in a system rises from 1 mm Hg to a level above ____ during a standing vacuum test, the system should be checked for leaks. - 2.5 mm Hg On low pressure chillers, moisture typically enters the refrigerant syst...

EPA 608 Exam Questions and Answers What leak rate is permissible on industrial and process refrigeration? - Answer-Effective 6/14/93 any leak rate of 35% or more on equipment with 50 lbs. of charge or more must be repaired. Less than 35% is permissible. What leak rate is permissible on equipment (other than industrial or process equipment) that contains more that 50 lbs. of refrigerant? - Answer-Less than 15% annually. What is the easiest way to check the type of refrigerant used in a pa...