Increasing the valve clearance between a valve stem and rocker arm, will result in the valve ()
A、closing later
B、opening sooner
C、staying open for a shorter period of time
D、staying open for a longer period of time
A、closing later
B、opening sooner
C、staying open for a shorter period of time
D、staying open for a longer period of time
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
A、increase the refrigerating effect, by decreasing the amount of flash gas B、allow the refrigerant to enter the throttling device in a saturated condition C、increase the refrigerating effect by increasing the amount of flash gas D、minimize the temperature drop of the liquid as it passes through the solenoid valve to the outlet side
A、one valve seats upwards, while the other seats downwards B、the reed valves used on the discharge are made substantially thicker and heavier than the suction valves C、the suction valve springs exert a greater tension than the discharge valve springs D、the discharge valve springs exert a greater tension than the suction valve springs
A、The condenser and the expansion valve B、The king valve and the solenoid valve C、The compressor and the expansion valve D、The condenser and the solenoid valve
A、the inlet valve B、the outlet valve C、both the inlet valve and the outlet valve D、the pump inlet valve
A、Shape of the piston crowns B、Increasing the compression ratios C、Increasing the piston crowns D、Increasing the turbocharger gear ratio
A、after the discharge valve B、between the pump and discharge valve C、after the suction valve D、between the pump and suction valve