The pressurized air is usually cooled to increase the charge air ().
A、viscosity
B、density
C、velocity
D、electricity
A、viscosity
B、density
C、velocity
D、electricity
A、cam rollers on the camshaft B、spring force C、air pressure on top of the valve differential piston D、air pressure on the bottom of the valve differential piston
A、leaky discharge valves on the LP cylinder B、leaky discharge valves on the HP cylinder C、insufficient intercooler cooling D、low ambient air pressure
A、A.bypass the high pressure stage to the low pressure stage on 100% of the air compressors in service B、B.prevent excessive inter-stage pressure buildup C、C.control compressor discharge pressure D、D.remove all but the frictional load during starting
A、the pressure of the starting air is high enough B、there is enough air in the air reservoirs C、the air is supplied into the cylinders in the appropriate sequence D、all of the above
A、supply clean air to the measuring compartment of the units for more accuracy B、generaate the pressure required for the extraction of the oil mist from the C、generate the pressure required for the extraction of the oil mist from the crankcase D、supply clean air to the measuring track of the units for more accuracy
A、Holding the valve open for a long period B、Increasing the starting air pressure used C、Opening the stating air valve quickly D、Reducing the starting air valve size