Thermostatic - Study guides, Class notes & Summaries

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...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Answer-voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Answer-thermostatic expansion valve when installing a reversing valve on a heat pump, how many br...

NATE Final Exam 1 Questions and Answers Latest Updated 2024/2025 (GRADED A+) Generally, vibration eliminators in piping should be installed: A: At a 45 degree angle B: At a 90 degree angle C: Perpendicular to the compressor crankshaft D: Parallel to the compressor crankshaft: D: Parallel to the compressor crankshaft 2. If you purchased ten filter-driers for $100.00, what was the price of each filter-drier? A: $100.00 B: $10.00 C: $1.00 D: $1.10: B: $10.00 NATE Final Exam 1 Questions a...

HVAC CONTRACTOR EXAM QUESTIONS AND ANSWERS 100% PASS An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - Correct Answer ️️ -voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - Correct Answer ️️ -the...

An instrument that measures potential differences between 2 points in an electrical circuit is called? A. potentiometer B. thermistor C. ohmeter D. voltmeter - ANSWER voltmeter This device uses a thermal sensing bulb at the outlet of the evaporator to sense temperature and control superheat A. automatic expansion valve B. thermostatic expansion valve C. low side float D. schraeder valve - ANSWER thermostatic expansion valve when installing a reversing valve on a heat pump, how ...

NATE Industry Competency Exam: Commercial Refrigeration Questions With 100% Verified Answers. 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. - answerD An indication of non-condensa...

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? A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. B: Recover refrigerant, evacuate the system, repl...

What electro-mechanical control would you use on a cap tube or automatic expansion valve system to maintain the space temperature? A: A dual pressure control B: A low pressure control C: A thermostatic control D: A high pressure control C: A thermostatic control Open motors are designed to operate at a given temperature rise as indicated on the motor nameplate. What does this mean? A: indicates the temp. rise over the surrounding air of a motor when the motor is operating ...

What electro-mechanical control would you use on a cap tube or automatic expansion valve system to maintain the space temperature? A: A dual pressure control B: A low pressure control C: A thermostatic control D: A high pressure control - Answer-C: A thermostatic control Open motors are designed to operate at a given temperature rise as indicated on the motor nameplate. What does this mean? A: indicates the temp. rise over the surrounding air of a motor when the motor is operating at ful...

CRCST STUDY GUIDE EXAM QUESTIONS AND ANSWERS-LATEST The medical abbreviation ESS relates to... Surgical removal of the uterus The use of endoscopic instrumentation to operate on the nose The treatment of fractured bone without with surgical incision Hip joint reconstruction - Answer-The use of endoscopic instrumentation to operate on the nose The portion of the steam sterilizer that measures steam temp and automatically controls the flow of air and condensate from the sterilizer cham...