If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump ().
- Acapacity will increase
- Bcapacity will decrease
- Csuction pressure will increase
- Dsuction pressure will decrease
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump ().
1、In the process of (), liquid changes i
In the process of (), liquid changes into gas.AevaporationBfrostingCcondensingDcompressing
2、The degree to which the viscosity of a
The degree to which the viscosity of an oil will change with a change in temperature is indicated by the ().Aweight designationBviscosity indexCpour pointDthermal change value
3、The volatility of a liquid is the tend
The volatility of a liquid is the tendency of a liquid to ().AigniteBexplodeCasphyxiateDvaporize
4、Increasing the number of slack liquid
Increasing the number of slack liquid tanks has effect of raising the().Auncorrected KGBmaximun allowed KGCvirtual height of the center of gravityDmetacentric height
5、The pressure of a liquid leaving the p
The pressure of a liquid leaving the pump can be referred to as the ().Atotal headBdischarge headCnet positive suction headDsuction head
6、A pressure drop in the liquid line of
A pressure drop in the liquid line of a refrigeration system may cause()Athe solenoid valve to seizeBthe compressor to huntCflash gas to form in the liquid lineDthe expansion valve to freeze ope