A、A.Air or Nitrogen
B、B.Seawater or Fresh water
C、C.Sodium Nitrate brine
D、D.Calcium Sulfate brine
更多“Which of the fluids listed is normally used to condense the primary refrigerant in a shipboard central air conditioning system?（）”相关的问题
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、People can know the types of fluids in pipes by feeling with hands B、There are series of rings painted in the pipes to show various fluids C、Engineers should wear cards standing for ranks D、Engineer knows his own code very well
A、The high discharge pressure of the rotary pumps permits a larger volume of fluid per unit time than the reciprocating pump B、Rotary pumps are capable of pumping more fluid than reciprocating pumps of the same weight C、Rotary pumps occupy only one-half the space of reciprocating pumps D、Rotary pumps eliminate discharge slippage of the pumped liquid, while this does not hold true for a reciprocating pump
A、add fluid that is the same color as the fluid in the reservoir B、add turbine oil because it is always a good substitute C、add any oil that has the same viscosity as the hydraulic fluid D、check the winch manufacturers instruction book
A、Overcoming sliding friction B、Overcoming rolling friction C、Overcoming fluid friction D、Overcoming oil wedge friction
A、hydraulic fluid contamination B、excessive fluid friction C、turbulent fluid flow D、fluid pressure surges
A、regulate the fluid flow in either direction B、restrict movement of hydraulic fluid in one direction, but allow free movement in the other direction C、allow free movement of hydraulic fluid in both directions D、allow a restricted fluid flow in one direction only
A、Variable volumes can be obtained with gear pumps only by variation of the pump drive speed B、A radial piston pump houses sliding pistons in a stationary cylinder block through which passes a rotating pintle or ported shaft C、The amount of fluid displaced per revolution of an axial piston rotary pump is dependent on the angle formed between the cylinder block and valve plate D、All of the above
客服
TOP
查看正确答案
