Evaporator Study guides, Class notes & Summaries

NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: Oxides of nitrogen An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 8 feet A diode allows current to flow in one direction: True 1 Watt = _____ Btu 3.41 Current in a closed circuit is limited by which of the following: resistance An oil separator is located in the _____: Discharge line ___...

T or F: Falling film evaporators are the only type of evaporator that are used in the food industry due to their sanitary design correct answers False T or F: Specific heat refers to the amount of energy needed to raise the temperature of 1 kg food by 1 oF. correct answers False T or F: High intensity pulsed electric field (HIPEF) acts to inactivate microorganisms by creating pores in the cell membrane correct answers True T or F: The cold spot of a container filled with peas in brine w...

Z-51 Written Test (Tauris questions) The total amount of heat to be removed from the refrigerant equals the heat picked up in the: A) Evaporator less the heat given up in the muffler. B) Evaporator plus the head of included non-condensables. C) Evaporator plus the heat of compression. D) Evaporator. - CORRECT ANSWER C) Evaporator plus the heat of compression. Select the INCORRECT statement regarding requirements of commercial cooking exhaust systems A) Company servicing the system mys...

Z-51 Written Test (Tauris questions) The total amount of heat to be removed from the refrigerant equals the heat picked up in the: A) Evaporator less the heat given up in the muffler. B) Evaporator plus the head of included non-condensables. C) Evaporator plus the heat of compression. D) Evaporator. - CORRECT ANSWER C) Evaporator plus the heat of compression. Select the INCORRECT statement regarding requirements of commercial cooking exhaust systems A) Company servicing the system mys...

Q-01 FDNY Exam Questions With Correct Answers Latest Updated 2023/2024 (Verified ). Butterfly valve: where can it be used? - Correct Answer-Can be used on the inlet and outlet of a water pump What electrical motor protection device automatically resets itself? - Correct AnswerThe thermal protector 746 watts equals how many kilowatt hours? - Correct Answer-.746 kilowatt hours What position is the liquid line service valve normally in? - Correct Answer-Back-seated In an operating evaporator, ...

EPA Type 2 Questions and Answers Already Graded A Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: pressurized nitrogen When a new system has been assembled, the first thing to do is: pressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. 35% Prior to replacing the condenser coil in a high pres...

HVAC (EPA Certification Exam Section 608) 160 Questions and Answers How many types of HVAC certifications are there? - Correct Answer There are 4 types. What does a metering device do? - Correct Answer The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. What is absorbed in the evaporator? - Correct Answer Heat is absorbed in the evaporator. What happens in the evaporator? - Correct Answer Heat is absorbed in the evaporator and cause...

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 - correct answer A: Liquid flood-back to the compressor Which of the following is the correct sequence of work? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrig...

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

With the condensing pressure and compressor speed remaining constant, a decrease in suction pressure will cause a(n): a. Decrease in compressor capacity and decrease in current. b. Increase in compressor capacity and decrease in current. c. Increase in compressor capacity and increase in current. d. Decrease in compressor capacity and increase in current. - D An indication of non-condensable gas in a refrigeration system is significantly: a. Lower-than-normal suction pressures. b. higher...