The expansion device - Study guides, Class notes & Summaries

ESCO Light Commercial Refrigeration EXAM with Complete Solutions In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: ️️ The difference between the temperature of the refrigerant boiling in the evaporator and the temperature at theevaporator outlet is known as: ️️ An expansion device that is stuck open will cause: ️️ When measuring evaporator superheat on a commercial system that has a long su...

Real Asvab Test 121 Questions with Verified Answers A square has how many sides? - CORRECT ANSWER 4 How much is 2 plus 2? - CORRECT ANSWER 4 A rose is a what? - CORRECT ANSWER A flower What is the best explanation of how a smooth round stone became smooth? - CORRECT ANSWER It was in a stream for a long time If you place bean seeds between moist paper towels and watch the stem leaves appear you will see a demonstration of? - CORRECT ANSWER germination Any astronomical body that ...

ESCO Light Commercial Refrigeration EXAM 2024/2025 with Complete Solutions. In a dry type (direct expansion) evaporator, liquid refrigerant must boil away as close to the end of the coil as possible in order to: A. operate at high efficiency. B. ensure that frost does not accumulate. C. sub-cool the compressor. D. ensure proper oil return. - Answer - A. operate at high efficiency. The difference between the temperature of the refrigerant boiling in the evaporator and the temperature at t...

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS LATEST UPDATE 2024 Two basic categories of chillers are the ___. a. Compression cycle and absorption b. purge and absorption c. absorption and lithium bromide d. purge and lithium bromide - Correct Answer a. Compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, _____, and ventilation. a. circulation b. velocity c. . d. none of the above - Correct Answer a. circulation T...

All of the following are compiled languages except for: Javascript BASIC Java C++ -ANSWER Javascript Which of the following statements best describes the difference between information systems and information technology? There is no difference between information systems and Information Technology. An information system does not have to use computer hardware; whereas information technology requires the use of hardware and software. Information Technology is a broader concept and i...

HVAC (EPA Certification Exam Section 608) Questions With Verified Solutions | ALREADY PASSED | LATEST REVISED UPDATE 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...

Exam 2: NSG122/ NSG 122 (New 2024/ 2025 Update) Nursing Fundamental Concepts Exam Review| Questions and Verified Answers| 100% Correct| A Grade - Herzing QUESTION Thin Pulmonary secretion education Increase fluid intake for pts who have an elevated temp; breathing through mouth; coughing; or losing excessive body fluids o Encourage drinking at 1.9 to 2.9 L of fluids/day to thin secretions o Should be increased to max amount that pt9s health can tolerate o Those w/ heart failure a...

There are six conductors in a race way connected to 75° C rated circuit breaker. Each wire has a 70 amp load using THHM conductors. The minimum size conductors used our #_________AWG correct answer: 4 Thermal insulation shall not be installed within _________inches of recessed lighting fixtures correct answer: 3 A 1 inch conduit contains three wire circuits or a phase system. All conductors are number 10 TW. Each circuit consist of two phase conductors and one grounding conductor and on...

minimum spacing between hull vent openings and fuel fill or vent fittings should be - ANS 15 inches thermal efficiency of a diesel engine is such that typical heat converted to useful power is approximately what percent of total heat - ANS 36% What is the primary difference between the gasoline-fueled and Jen four stroke cycle and the diesel four-stroke cycle - ANS The intake stroke only brings air into the cylinder Temperature controlled engine room exhaust blowers in a diesel powered boat are ...

BOMA – HVAC QUESTIONS AND ANSWERS 100% PASS Two basic categories of chillers are the compression cycle and absorption The five requirements for comfort are proper temperature, humidity, filtration, and ventilation circulation The primary function of an expansion device is to produce a reduction in the pressure on the liquid refrigerant, regulate the flow of refrigerant into the evaporator, lower the boiling point of the refrigerant far enough below the temperature of the load to g...

For the purpose of rating boiler horsepower for an Engineers License only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? - ANSWER 10 Sq. Ft. Heating Surface What is meant by the term "Low Pressure Boiler"? - ANSWER Boilers operating at a steam or other vapor pressure of 15psig or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig or a temperature of 250 degrees F. A person holding a current State ...