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hannah415 hannah415
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Posts: 496
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6 years ago
Given: A transformer has 200 turns in the primary, 100 turns in the secondary, and 150VAC applied to the
  primary. What is the voltage across the secondary?
 
  a. 75VAC
  b. 90VAC
  c. 120VAC
  d. 140VAC

 Q. 2

Leaks on the low side of a Type III system are indicated by:
 
  A) Puddles of refrigerant on the floor around the machine.
  B) Lower than normal system pressures.
  C) Increased purge operation.
  D) Oil stains around the leak from oil carried with the leaking refrigerant.

 Q. 3

The preferred method for raising the pressure of a low pressure chiller in order to test for leaks is:
 
  A) Adding nitrogen to the evaporator. B) Charging the chiller with R-410A.
  C) Adding more refrigerant. D) Circulating warm water through the chiller.
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slayer909slayer909
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6 years ago
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hannah415 Author
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#2
6 years ago
Happy Dummy I'm impressed
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