0ne function of a hulwark is to（）.

1、（）is a function of the reactive / resi

（）is a function of the reactive / resistive characteristics of the load items and cannot be adjusted by manipulating the alternator control devices.APower factorBPower ratioCcompression ratioDCompression factor

2、What is a function of the wearing ring

What is a function of the wearing rings used in most centrifugal pumps?（）AAbsorb erosion of high velocity discharge streamBSeal pump shaft against entry of airCIsolate the discharge side from the suction sideDDampen the turbulent discharge flow

3、One function of a bulwark is to（）.

One function of a bulwark is to（）.Ahelp keep the deck dryBprevent stress concentrations on the stringer plateCprotect against twisting forces exerted on the frame of the vesselDreinforce the side stringer

4、The function of the bilge keel is to（）

The function of the bilge keel is to（）.Areduce the rolling of the vesselBserve as the vessel's main strength memberCadd strength to the bilgeDprotect the vessel's hull when alongside a dock

5、What is NOT a function of the steam dr

What is NOT a function of the steam drum of a marine water-tube boiler（）.AReceives saturated steam from the generating tubesBServes as a rese...

6、What is the function of internet to th

What is the function of internet to the logistics? （）A To direct the operationB To help the market development, operation and managementC To guide the mobile equipment, like truck and shipD To speed up the process