One ton of refrigeration Study guides, Class notes & Summaries

The efficiency of the refrigerant cycle is affected by the operation of the condenser. of the following. a more efficient centrifugal compressor operation results from: Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of service for a major repair. you have been assigned to withdraw refrigerant for storage in suitable containers. according to th...

1. The efficiency of the refrigerant cycle is affected by the operation of the condenser. of the following, a more efficient centrifugal compressor operation results from Answer: Lowering the condensing pressure 2. The heat removed from the refrigerant in a condenser is Answer: Sensible and Latent Heat 3. The refrigerant unit that you have been assigned to is being taken out of service for a major repair. You have been assigned to withdraw refrigerant for storage in suitable containers. Accord...

The efficiency of the refrigerant cycle is affected by the operation of the condenser. of the following. a more efficient centrifugal compressor operation results from: Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of service for a major repair. you have been assigned to withdraw refrigerant for storage in suitable containers. according to th...

The Celsius scale is based on boiling water having a temperature at sea level of_? - 100° Subcooling occurs_. - After all vapor has changed to liquid When the temperature of a vapor is higher than its boiling point, the vapor is_? - Superheated When heat is carried from one object to another by means of a moving liquid or gas, it is being transferred by_? - Convection A ton of refrigeration is equal to_? - 12,000 BTUs per hour When the pressure on a liquid in a closed space is increased, ...

559 Journeyman Mechanical Exam HVAC Complete Questions and Answers Which Type of air-conditoning system is most likely to leak refrigerant into a structure? Direct, Indirect, Evaporative or Split? - CORRECT ANSWER-Direct : 2015 IMC 1103.3.2 When mechanical equipment is located on a flat roof that is more than 30 inches above grade, how far from the roofs edge must the equipment be located before a guard rail is not needed? less than 6', 9', 4' or more than 10'? - CORRECT ANSWER-Mo...

Q-01 FDNY Exam Questions With 100% Correct Answers Latest 2023/2024 (Verified Answers). Rupture members, when used in parallel with a relief valve, are not to exceed _____% above designed working pressure - Correct Answer-20% 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 An...

RETA CARO Chapter 1 Exam Questions With Verified Solutions Purpose of a Refrigeration System Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12 Hours 200 BTUs/1 Minute rate of refrigeration or cooling Pressure Force per unit area. PSIA Absolute pressure; measures pressure from zero pressure PSIG Gauge pressure, uses atmo...

BOMA-HVAC Exam Questions With Accurate Answers. laminar flow - answer- A streamline or viscous flow. - layers of water flowing over one another at different speeds with virtually no mixing between layers. - Fluid particles move in definite and observable paths or stream lines. - The flow is characteristic of viscous (thick) fluid or is one in which viscosity of the fluid plays a significant part. turbulent flow - answerIrregular movement of particles of the fluid. What do you use to det...

RETA CARO Chapter 1 Exam Questions With Verified Solutions Purpose of a Refrigeration System Achieve or maintain proper temperatures in a refrigeration process used for cooling/freezing applications Ton of Refrigeration Rate BTUs transfer per unit time 288,000 BTUs/24 Hours 12,000 BTUs/12 Hours 200 BTUs/1 Minute rate of refrigeration or cooling Pressure Force per unit area. PSIA Absolute pressure; measures pressure from zero pressure PSIG Gauge pressure, uses atmo...

Define the term refrigeration Correct Answer The transfer of heat from one place to another by a changing state from a vapor to a liquid when rejecting heat and liquid to vapor when absorbing heat Define the term refrigeration air conditioning Correct Answer The process of transferring heat from the place it is not wanted to a place we don't care Explain What's the quantity of heat is for one British thermal unit Correct Answer The amount of heat needed to change 1 pound of water 1°F be...