A check valve is another name for ().
What type of valve is used to direct the flow of hydraulic fluid?()
Each cylinder has one starting valve which is usually opened by air pressure and closed by ()
During the valve overlap period, the exhaust pressure of a turbochargers, four-stroke/cycle diesel engine must be less than the intake manifold pressure to ensure ()
Diesel engine valve springs function to ()
A gate valve installed in a pipeline should be ().
Adjustments to the compensating needle valve in a hydraulic governor should be made with the engine at ()
An orifice-check valve placed in a hydraulic system is used to()
What is the purpose of a relief valve?()
When start a screw pump, the by pass valve should be ().