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With the condensing pressure and compressor speed remaining constant, a decrease in 
suction pressure will cause a(n): 
a. Decrease in compressor capacity and decrease in current. 
b. Increase in compressor capacity and decrease in current. 
c. Increase in compressor capacity and increase in current...
Preview 3 out of 18 pages
Add to cartWith the condensing pressure and compressor speed remaining constant, a decrease in 
suction pressure will cause a(n): 
a. Decrease in compressor capacity and decrease in current. 
b. Increase in compressor capacity and decrease in current. 
c. Increase in compressor capacity and increase in current...
1kwh of electric power is equivalent to ___ btu per hour. 
A. 3142 
B. 6412 
C. 9412 
D. 6812 - A 
Gas valves operate at ____ voltage. 
A. 120v 
B. 230v 
C. 24v 
D. 12v - C 
What will be the resistance in the circuit if the supply voltage is 30v and current flowing 
through the circuit is 5A. 
A. 3 ...
Preview 2 out of 12 pages
Add to cart1kwh of electric power is equivalent to ___ btu per hour. 
A. 3142 
B. 6412 
C. 9412 
D. 6812 - A 
Gas valves operate at ____ voltage. 
A. 120v 
B. 230v 
C. 24v 
D. 12v - C 
What will be the resistance in the circuit if the supply voltage is 30v and current flowing 
through the circuit is 5A. 
A. 3 ...
The Fahrenheit scale is based on boiling water at sea level at what temperature? 
A: 459 degrees 
B: 212 degrees 
C: 180 degrees 
D: 100 degrees - B: 212 degrees 
Zero pounds gauge corresponds on the absolute scale to: 
A: 144 
B: 212 
C: 14.7 
D: zero - C: 14.7 
Hidden heat in refrigeration work is...
Preview 2 out of 12 pages
Add to cartThe Fahrenheit scale is based on boiling water at sea level at what temperature? 
A: 459 degrees 
B: 212 degrees 
C: 180 degrees 
D: 100 degrees - B: 212 degrees 
Zero pounds gauge corresponds on the absolute scale to: 
A: 144 
B: 212 
C: 14.7 
D: zero - C: 14.7 
Hidden heat in refrigeration work is...
The following expresses the difference between a feature and a benefit: - -A feature 
is a special characteristic of a product 
-A benefit is the value the customer receives from using the feature. 
The temperature most often used by customers when discussing human comfort is: - 
-A dry bulb reading...
Preview 2 out of 5 pages
Add to cartThe following expresses the difference between a feature and a benefit: - -A feature 
is a special characteristic of a product 
-A benefit is the value the customer receives from using the feature. 
The temperature most often used by customers when discussing human comfort is: - 
-A dry bulb reading...
Generally, vibration eliminators in piping should be installed: 
A: At a 45 degree angle 
B: At a 90 degree angle 
C: Perpendicular to the compressor crankshaft 
D: Parallel to the compressor crankshaft - D: Parallel to the compressor crankshaft 
If you purchased ten filter-driers for $100.00, what ...
Preview 2 out of 12 pages
Add to cartGenerally, vibration eliminators in piping should be installed: 
A: At a 45 degree angle 
B: At a 90 degree angle 
C: Perpendicular to the compressor crankshaft 
D: Parallel to the compressor crankshaft - D: Parallel to the compressor crankshaft 
If you purchased ten filter-driers for $100.00, what ...
Low airflow over a residential split system air conditioning evaporator can cause 
A: Liquid flood-back to the compressor 
B: A decrease in compression ratio 
C: An increase in suction line superheat 
D: Oil logging in the evaporator - A: Liquid flood-back to the compressor 
Which of the following i...
Preview 2 out of 13 pages
Add to cartLow airflow over a residential split system air conditioning evaporator can cause 
A: Liquid flood-back to the compressor 
B: A decrease in compression ratio 
C: An increase in suction line superheat 
D: Oil logging in the evaporator - A: Liquid flood-back to the compressor 
Which of the following i...
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d (very important) - - The ability to utilize all types of communication skills is ____ to 
the HVACR technician. 
a. not as important as "hands-on" technical skills 
b. somewhat important 
c. unimportant 
d. very important 
d (all of the above: clear, complete, concise) - - It is important to be ...
Preview 3 out of 22 pages
Add to cartd (very important) - - The ability to utilize all types of communication skills is ____ to 
the HVACR technician. 
a. not as important as "hands-on" technical skills 
b. somewhat important 
c. unimportant 
d. very important 
d (all of the above: clear, complete, concise) - - It is important to be ...
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