Driving two members of a planetary gear set while there is no reaction member will result in a(an) ________ ratio.
A) Reverse, reduction
B) Overdrive
C) Reduction
D) 1:1
D) 1:1
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A balanced three-phase wye-delta system has Van = 240?0? V rms and Z? = (51+j45) ?. If the line impedance per phase is (0.4 +j1.2) ?, find the total complex power delivered to the load.
What will be an ideal response?
An intake manifold gasket has been replaced due to a vacuum leak. Which of the following steps uses a scan tool to complete the job?
A) Refilling the cooling system B) Torquing the manifold bolts C) Air cleaner check D) Idle relearn
What does a roll-out switch do?
A) It shuts off the gas valve if flames are sensed outside the combustion area. B) It allows the combustion components to be rolled out of the combustion chamber. C) It ensures proper clearance between the furnace and nearby walls. D) It checks to make sure the blower has not rolled out of position on the unit.
The pressure of a low-pressure chiller is raised for leak testing by:
A) Adding refrigerant to the chiller bundle. B) Adding nitrogen to the chiller bundle. C) Circulating warm water through the chiller bundle. D) Operating the chiller.