The principle of separation by which all commercially available oily water separators function is () differential between oil and water.
- Athe temperature
- Bthe viscosity
- Cthe gravity
- Dthe size
The principle of separation by which all commercially available oily water separators function is () differential between oil and water.
1、The force exerted by a propeller which
The force exerted by a propeller which tends to throw the stern right or left is called().AslipBsidewise forceCrotational forceDthrust
2、The hand steering is a method by which
The hand steering is a method by which the motion of the rudder is controlled with ().Aa motor-driven steering wheelBa pneumatic steering wheelCa hand-driven steering wheelDan electric steering wheel
3、By which of the following means is for
By which of the following means is force efficiently provided to vary the pitch of the blades on a modem controllable pitch propeller?()AHydraulicBMechanicalCPneumaticDElectrical
4、The amount of fuel delivered by a unit
The amount of fuel delivered by a unit injector is controlled by the ()AcamshaftBmain springCrack positionDnozzle orifice size
5、A tackle by which the outer end of a b
A tackle by which the outer end of a boom is raised and lowered is the topping().AboomBliftCraiseDtackle
6、The amount of fluid delivered by a scr
The amount of fluid delivered by a screw pump can be regulated by ().Athrottling the pressure lineBchanging the speed of the rotorCeither A or BDNone of the above is tree