If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will ()
The thermal expansion valve reacts directly to the ()
A large valve,usually installed above the ram preventers,that forms a seal in the annular space between the pipe and wellbore or,if no pipe is present,on the wellbore itself is called the().
In the starting system, the automatic valve is controlled by(), and the cylinder start valves are controlled by()
If the relief valve on the discharge side of a hydraulic pump lifts, the cause could be ().
The size of the exhaust valve opening is ()
When the starting air valve closes on one cylinder, another starting air valve has () opened on another cylinder whose piston has just commenced its downward stroke.
The mechanical exhaust valve operation system is replaced by()in an electronic controlled ME engine.
An orifice-check valve placed in a hydraulic system is used to()
The valve on the discharge side of a cargo pump on a tanker will usually be a().