Evaporator Study guides, Class notes & Summaries

Low airflow over a residential split system air conditioning evaporator can cause A: Liquid flood-back to the compressor B: A decrease in compression ratio C: An increase in suction line superheat D: Oil logging in the evaporator A: Liquid flood-back to the compressor Which of the following is the correct sequence of work?

EPA 608 Certification Core Questions and Answers 100% Verified Halons were completely phased out by ______: 1994 1995 1987 2000 - Correct Answer 1994 Recovered refrigerant is stored in which of the following painted tank: Gray with yellow top Yellow with gray top Yellow with blue top Blue with yellow top - Correct Answer Gray with yellow top If your recovery unit does not have a sub-cooling feature recovery rate will be _____ : Recovery rate is independent Slower Faster - Cor...

Z-51 Written Test Questions and Answers 100% Correct 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. 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. B...

the delaval lube oil purifier makes what kind of force centrifugal what is important about the top disk in the delaval purifier largest disk, has no ribs, holes or flanges What holds the clamp, forming a seal between the cover and the frame by compressing the O-ring cover clamp what controls the amount of refrigerant flowing to the evaporator TXV how is torque measured foot and inch pounds what removes latent heat of condensation condenses refrigerant vapor and subcools liquid refrigeran...

Z-51 Written Test Questions And Answers 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. - ANS 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. B) relativ...

a vacum pump should be connected - Correct answer-as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - Correct answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - Correct answer-oxygen atoms one chlorine atom can destroy - Correct answer-100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - Correct answer-CFC's cann...

ABSA: 4th Class Part B - Comprehensive Exam 2 (150 Multiple Choice, 4th Class Part B , Units 1-12) Questions And Answers Verified 100% Correct!! What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specif...

How many types of HVAC certifications are there? - Answer There are 4 types. What does a metering device do? - Answer The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Answer Heat is absorbed in the evaporator. What happens in the evaporator? - Answer Heat is absorbed in the evaporator and causes the refrigerant to boil from liquid to vapor. At the outlet of the evaporator the refrige...

A violation of the Clean Air Act, including improper record keeping, is subject to a penalty of a fine of up to _____ per day per violation: correct answer: $37,500 The ____connects the evaporator to the compressor in a refrigerant system: correct answer: Suction Line It is to be ensured that the refrigerant recovery cylinder is not filled to more than _____ of its capacity correct answer: 80 percent Which one of the following has higher Ozone Depletion Potential (ODP): correct answe...

Local 94 School - 475 terms to know for the RMO written exam with Answers How do automatic expansion valves work? - ANS Evaporator pressure closes the valve and spring pressure opens the valve. When will a faulty check valve cause the most damage? - ANS On startup. What will happen if a TEV'S sensing bulb insulation wears off of the suction line in an 85 F Degree room? - ANS You will flood the evaporator. What can a clogged pump strainer cause? - ANS A reduction or loss in ...