If the compensating needle valve of a hydraulic governor is opened more than necessary the governor will ()
In setting the valves on a steam-smothering system on a tank vessel,the master control valve to cargo tanks should be().
Safety valves on a boiler vent to the ().
The needle valve will open when the fuel pressure acting on the needle valve () exerts a sufficient force to overcome the spring compression.
If you were inspecting the valve springs on an auxiliary diesel engine, your best indication of impending spring failure would be ()
The expansion valve on a Freon system controls the ().
If the thermal bulb of an expansion valve is incorrectly placed at the center of the coil instead of the end, it will ().
In setting the valves on a steam-smothering system on a tanker,the master control valve to cargo tanks should be().
The bypass valve on a self-contained breathing device should be opened if().
In a full flow type lube oil system, the bypass relief valve will lift due to ()
If the needle valve in a fuel injection nozzle sticks open ().
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().
The needle valve in a fuel valve will () when the fuel pressure action on the needle valve tapered face exerts a force lower than that of the spring compression.
Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?()
If a single cylinder relief valve on a diesel engine lists frequently while the engine is running, the cause may be an ()
What is the purpose of pressure-vacuum relief valves? ()
A device fitted over the discharge opening on a relief valve consisting of one or two woven wire fabrics is called a().
Cargo pump relief valves are piped to the().
If the relief valve on a diesel engine cylinder lifts, the cause could be due to ()
The function of the bypass valve on the self-contained breathing apparatus is to().
The purpose of the safety relief valves installed on an auxiliary boiler is to ().
When the relief valve opens it discharges high pressure refrigerant vapor to the ().
On the all-purpose nozzle,the position of the valve when the handle is all the way forward is().
When the relief valve is used as a constant pressure valve, it is connected to the outlet of the hydraulic pump to ensure that the outlet pressure of the hydraulic system (pump) is constant.