Which of the following accurately describes the danger of air in the refrigeration system?
A) The presence of air makes it impossible to connect a vacuum pump, which is necessary to perform the evacuation procedure.
B) Too much air makes it impossible to properly calibrate an analog vacuum gauge within the refrigeration system.
C) Oxygen may violently react with hydrogen and potentially cause a fire within the refrigeration system.
D) Oxygen will chemically react with the refrigeration oil and deposits buildup in the discharge valve area, causing compressor motor burnouts.
D
You might also like to view...
The political base of the Democratic party in the late 19th century lay especially in
A. the small towns of the Northeast and the South. B. big business and those involved in international trade. C. Midwestern farmers. D. the white South and big-city immigrant machines. E. Northern blacks and Asian immigrants.
Technician A says when driving a vehicle straight ahead, equal pressure exists on each side of the ball nut piston in a power recirculating ball steering gear. Technician B says when cornering with a power recirculating ball steering gear, torsion bar twisting positions the spool valve inside the rotary valve so fluid pressure is directed to the appropriate side of the ball nut piston. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Just over 5 percent of the total hogs raised in the United States are registered purebreds.
Answer the following statement true (T) or false (F)
Describe the ASME origin symbol.
What will be an ideal response?