Sensible heat Study guides, Class notes & Summaries

1. Heat which causes a change in temperature of a substance is called; A. latent heat B. sensible heat C. superheat D. radiant heat - B. sensible heat 2. Heat added to a substance without a raise in temperature; (example: liquid refrigerant to gas) this process is called? A. latent heat of vaporization B. latent heat of fusion. C. superheat of vaporization D. superheat of fusion - A. latent heat of vaporization 3. Heat added to the refrigerant in a vapor state after the evaporation pr...

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: A. Raising the condenser liquid level to the maximum B. Lowering the chilled water set point C. Raising the condenser head pressure D. Lowering the condensing pressure - Answer-D. Lowering the Condensing Pressure 2. The heat removed from the refrigerant in a condenser is: A. Sensible and latent heat B. Latent ...

NATE Exam: Air Conditioning and Heat Pumps Questions with Complete Solutions Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above - Correct 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....

FDNY Z51 RMO Set Test Questions And Verified Correct Solutions | Updated 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: a. Raising the condenser liquid level to the maximum b. Lowering the chilled water set point c. Raising the condenser head pressure d. Lowering the condensing pressure d. Lowering the condensing pressure The heat removed from the refrigerant in ...

At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 degrees Fahrenheit into 1 lb of steam? a) 144 b) 180 c) 970 d) 1,190 - Answer-c) 970 Radiation is a) the movement of liquids or gases created by a temperature difference. b) the transfer of heat by direct molecular contact. c) the weight of a substance compared to unity. d) a form of heat transfer by waves. - Answer-d) a form of heat transfer by waves. Steam at 100 PSI and 400 degrees Fahrenheit is a) saturated. ...

1. Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above ANS d (All of the above air movement, humidity, temperature) 2. 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% ANS c (+15%) 3. The maximum sensible cooling capacity of a heat pump shou...

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...

Z-51 REFRIGERATION TEST ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS |ALREADY GRADED A+ Efficiency of the refrigerant cycle is affected by the operations of the condenser. Of the following, a more efficient centrifugal compressor operation results from: - CORRECT ANSWER Lowering the condensing pressure The heat removed from the refrigerant in a condenser is: - CORRECT ANSWER Sensible and latent heat The refrigerant unit that you have been assigned to is being taken out of ...

sensible heat - ANSWER Heat that causes change in temperature of a substance latent heat - ANSWER Heat that is added with out a rise in temperature super heat - ANSWER Heat added to refrigerant in vapor state after evaporation process is involute spirals - ANSWER Scroll compressor moves refrigerant by means of convection - ANSWER movement of heat by way of fluid or air

Which of the following factors affects a customer's level of comfort? a. Air movement b. Humidity c. Temperature d. All of the above correct answers 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% correct answers c (+15%) The maximum sensible cooling capacit...