Problems in the refrigerant portion of a system are caused by ____.
A. refrigerant quantity
B. refrigerant flow
C. contaminants
D. any of the above
Answer: D
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Which of the following is the largest value of pressure measured at sea level?
A. 14.7 psi absolute (101 kPa absolute) B. 14.7 psi gauge (101 kPa gauge) C. -14.7 psi absolute (-101 kPa absolute) D. All of the above are the same value of pressure.
When installing insulation jacket on overhead horizontal pipes, _____.
a. stop the jacket at the pipe hanger and continue it on the far side b. run the jacket through the pipe hanger and saddle c. install heavy sheet metal jacket at the hangers to prevent crushing the insulation d. cut holes in the jacket under rigid insulation inserts
Technician A says that door panels use "Christmas tree" clips. Technician B says that special tools should be used to remove door panel clips to prevent damage. Which technician is correct?
A) Technician A only B) Neither technician A nor B C) Technician B only D) Both technicians A and B
Cabinet construction is an element of the final details of a structure known as millwork.
Answer the following statement true (T) or false (F)