The boiler feed water check valves are located on the _____.

The most suitable pump for oily water separator feed duties is _____.

The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to _____.

Starting air valves are held firmly on their seats by_______.A.cam rollers on the camshaft

When a boiler is operating, the water level in the gauge glass reads _____ when the boiler

● ___（68)___ are those programs that help find the information you are trying to locate on

Bottom blow valves are installed on auxiliary water-tube boilers to ___________.A.complete