What is the purpose of a relief valve?()
A、to fill 2 tanks at the same time
B、to use pump at a higher pressure
C、to return liquid to suction side if discharge valve is closed
D、All of the above are true
A、to fill 2 tanks at the same time
B、to use pump at a higher pressure
C、to return liquid to suction side if discharge valve is closed
D、All of the above are true
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container, reefer container, open-top container are all general purpose containers
A、containers are classified as general purpose (dry cargo) container and specific purpose container B、general purpose container (GP) is suitable for the widest varieties of cargo C、specific purpose container is suitable for the specific cargo D、bulk container, reefer container, open-top container are all general purpose containers