What is the primary design challenge for CO2 refrigeration systems?
A) The high GWP of CO2 refrigerant
B) CO2 refrigerant operates in a vacuum at low temperatures.
C) The high refrigerant cost
D) The high operating pressures of CO2 refrigerant
D
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What will be an ideal response?
Which of the following will cause an increase in pump stroke?
A. changes in engine speed B. steering requirements C. implement activation D. All of the above
The cluster gear is supported by ________
A) Bushings B) Roller bearings between the countershaft and the case C) Either A and B D) Neither A nor B
The auxiliary view can then be drawn in any convenient location at any desired scale.
Answer the following statement true (T) or false (F)