A hydraulic accumulator is designed to().
A、A.store fluid under pressure
B、B.act as a fluid reservoir
C、C.provide overpressure relief
D、D.replenish fluid to a system
A、A.store fluid under pressure
B、B.act as a fluid reservoir
C、C.provide overpressure relief
D、D.replenish fluid to a system
A、A. hydraulic hatch cover B、B. hydraulic release unit C、C. hydraulic oil jack D、D. automatic hatch cover
A、the temperature of the hydraulic fluid B、the flow rate of the hydraulic fluid C、the temperature of the cooling water D、all of the above
A、warm-up allows the hydraulic system to become charged with oil B、warm-up allows the relief valves to be properly tested C、hydraulic strainers operate only during the warm-up period D、hydraulic fluid must be at the proper viscosity
A、steam plants, electric motors and compressed air B、diesel engine, hydraulic machinery and compressed air C、steam plants, electric motors and hydraulic machinery D、diesel engines, steam plants and hydraulic machinery
A、A.a low load on the unit B、B.a clogged pump suction strainer C、C.a blockage in the line between the pump and hydraulic motor D、D.the hydraulic motor turning too fast