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Author Question: An R-22 system has a 28-ft lift and a 7 psi pressure drop in the liquid line due to vertical lift. ... (Read 143 times)

maychende

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on: Jul 24, 2018
An R-22 system has a 28-ft lift and a 7 psi pressure drop in the liquid line due to vertical lift. If the liquid leaves the condenser at 244 psi, what is the pressure at the top of the vertical lift?
 
  A) 223 psi B) 230 psi C) 214 psi D) 237 psi

Question 2

How can moisture in the refrigeration system affect the metering device?
 
  A) Water will improve the thermal contact of the expansion valve bulb.
  B) Water in the system improves operation of the metering device through hydronic cooling.
  C) Water can freeze up at the metering device, causing a restriction.
  D) Water will not affect metering device operation.


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Shshxj

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Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

C


maychende

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Reply 2 on: Jul 24, 2018
Excellent

kilada

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Reply 3 on: Yesterday
Gracias!

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