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Air Conditioning Certification Exam (Exam Code A-02) Questions & Answers Already Passed
Heat which causes a change in temperature of a substance is called; - sensible heat. Heat which causes a change in state of a material without a change in temperature is called; - latent heat. Heat which is added to a vapor after the change of state occurs is called; - superheat. Heat can travel by; - conduction, convection, radiation. The movement of heat by way of fluid (or air) is called; - convection . The movement of heat by direct contact is called; - conduction . The standard unit ...
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Heat which causes a change in temperature of a substance is called; - sensible heat. Heat which causes a change in state of a material without a change in temperature is called; - latent heat. Heat which is added to a vapor after the change of state occurs is called; - superheat. Heat can travel by; - conduction, convection, radiation. The movement of heat by way of fluid (or air) is called; - convection . The movement of heat by direct contact is called; - conduction . The standard unit ...
Certification Test for A/C and Heating Latest Questions With Passed Solutions
On which of the following laws of nature is the air-conditioning system based? - Answer-Heat flow, Heat absorption, Pressure and Boiling Points Which of the following statements is not correct? A. Refrigerant leaves the compressor as a high-pressure, high-temperature liquid. B. Refrigerant leaves the condenser as a low-pressure, high-temperature liquid. C. Refrigerant returns to the compressor as a low-pressure, high-temperature vapor. D. None of these answers are correct. - Answer-D. None...
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On which of the following laws of nature is the air-conditioning system based? - Answer-Heat flow, Heat absorption, Pressure and Boiling Points Which of the following statements is not correct? A. Refrigerant leaves the compressor as a high-pressure, high-temperature liquid. B. Refrigerant leaves the condenser as a low-pressure, high-temperature liquid. C. Refrigerant returns to the compressor as a low-pressure, high-temperature vapor. D. None of these answers are correct. - Answer-D. None...
Ac Certification Questions With Correct Answers.
Heat which can cause a change in temperature of a substance is called; - Sensible Heat Heat added to a substance without a rise in temperature;(example: liquid refrigerant to gas) this process is called? - Latent Heat of Vaporization Heat added to the refrigerant in a vapor state after the evaporation process is called; - Superheat A scroll compressor move refrigerant by means of; - Involute spirals The movement of heat by way of fluid(of air) is called; - Convection The movement of heat t...
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Heat which can cause a change in temperature of a substance is called; - Sensible Heat Heat added to a substance without a rise in temperature;(example: liquid refrigerant to gas) this process is called? - Latent Heat of Vaporization Heat added to the refrigerant in a vapor state after the evaporation process is called; - Superheat A scroll compressor move refrigerant by means of; - Involute spirals The movement of heat by way of fluid(of air) is called; - Convection The movement of heat t...
NATE AC Service Certification Questions & Answers Already Passed
A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 pounds ...
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- • 27 pages •
A system is supplied from the factory with charge of 5 pounds 10 ounces for a 15 foot line set. The line set is 25 feet long. The manufacturer's instruction sheet specifies 0.6 ounces of refrigeration to be added for each added foot of refrigerant line set length. What is the total refrigerant charge for the system? A. 6 ounces B. 5 pounds C. 5 pounds 10 ounces D. 6 pounds - D. 6 pounds 15ft - 25ft = 10ft x .6 = 6 ounces 5 pounds + 10 ounces + 6 ounces 5 pounds + 16 ounces = 6 pounds ...
NATE A/C Exam #1 Questions & Answers Already Passed
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 - 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 refrigerant, evacuate the system, rep...
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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 - 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 refrigerant, evacuate the system, rep...
Air Conditioning and Heat Pumps Questions And Answers With Latest Study Quiz
Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer-d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% - Answer-c (+15%) The maximum sensible cooling capacity of a heat pump shou...
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Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Answer-d (All of the above: air movement, humidity, temperature) A cooling load calculation estimates the sensible heat gain of a structure. The maximum sensible capacity of a cooling-only system should be within ____% of this calculated value. a. ±10% b. +10% c. +15% d. +30% - Answer-c (+15%) The maximum sensible cooling capacity of a heat pump shou...
Air Conditioning Certification Questions With 100% Correct Answers!!
sensible heat - Heat that causes change in temperature of a substance latent heat - Heat that is added with out a rise in temperature super heat - Heat added to refrigerant in vapor state after evaporation process is involute spirals - Scroll compressor moves refrigerant by means of convection - movement of heat by way of fluid or air conduction - movement of heat by way of solid BTU - Standard unit for measuring heat Condensor - refrigerant gives up heat in the liquid slugging - refrige...
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- • 9 pages •
sensible heat - Heat that causes change in temperature of a substance latent heat - Heat that is added with out a rise in temperature super heat - Heat added to refrigerant in vapor state after evaporation process is involute spirals - Scroll compressor moves refrigerant by means of convection - movement of heat by way of fluid or air conduction - movement of heat by way of solid BTU - Standard unit for measuring heat Condensor - refrigerant gives up heat in the liquid slugging - refrige...
Air Conditioning Certification questions and answers all are correct 2024 graded A+
Heat that causes change in temperature of a substance - Answer-sensible heat Heat that is added with out a rise in temperature - Answer-latent heat Heat added to refrigerant in vapor state after evaporation process is - Answer-super heat Scroll compressor moves refrigerant by means of - Answer-involute spirals movement of heat by way of fluid or air - Answer-convection movement of heat by way of solid - Answer-conduction Standard unit for measuring heat - Answer-BTU refrigerant gives up h...
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- • 9 pages •
Heat that causes change in temperature of a substance - Answer-sensible heat Heat that is added with out a rise in temperature - Answer-latent heat Heat added to refrigerant in vapor state after evaporation process is - Answer-super heat Scroll compressor moves refrigerant by means of - Answer-involute spirals movement of heat by way of fluid or air - Answer-convection movement of heat by way of solid - Answer-conduction Standard unit for measuring heat - Answer-BTU refrigerant gives up h...
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- CCI 150 Lisa Gary UTK Exam 1 Questions And Answers With Verified Study Solutions • Exam (elaborations)
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- CCI RCS Registry -URR Questions with well explained answers • Exam (elaborations)
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CCI practice exam Questions with well explained answers
The second heart sound is caused by closure of what two valves? - Answer-Aortic and pulmonic What phase of the cardiac cycle immediately follows closure of the semilunar valves and precedes the opening of the AV valves? - Answer-Isometric relaxation What percentage of ventricular filling normally results from atrial contraction? - Answer-15-20% Peripheral venous pressure is the same as what pressure? - Answer-Right atrial Which hemodynamic measurement most directly reflects left ventricular...
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The second heart sound is caused by closure of what two valves? - Answer-Aortic and pulmonic What phase of the cardiac cycle immediately follows closure of the semilunar valves and precedes the opening of the AV valves? - Answer-Isometric relaxation What percentage of ventricular filling normally results from atrial contraction? - Answer-15-20% Peripheral venous pressure is the same as what pressure? - Answer-Right atrial Which hemodynamic measurement most directly reflects left ventricular...
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Indiana Life Insurance Exam Questions & Answers Correctly Answered.
2024 TestOut PC Pro Certification Practice Exam Questions & Answers Already Graded A +
PSYC 426 Athabasca University Final Exam Questions & Answers Already Passed!!
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