Opening of the cylinder () will admit compressed air into the cylinder.
A、safety valve
B、indicator cock
C、blow-down valve
D、start valve
A、safety valve
B、indicator cock
C、blow-down valve
D、start valve
A、The work of opening and closing hatches is usually done by crew members. B、The work of opening and closing hatch covers is usually done by crew members. C、The work of opening hatch covers is usually done by crew members. D、The work of closing hatch covers is usually done by crew members.
A、direction of air flow within the cylinder B、sequence of port opening C、method of opening exhaust ports D、volume of air admitted to the cylinder
A、on the windward side of the opening B、on the leeward side of the opening C、at a right angle to the wind direction D、so that the obstruction of your body will protect you from the fumes
A、A.having a shorter duration of opening B、B.having a longer duration of opening C、C.closing sooner D、D.opening later
A、A.in contact with the fill opening to guard against static spark B、B.from making contact with the fill opening to guard against static spark C、C.in contact with the fill opening to allow proper venting D、D.None of the above
A、opening more bypass lines B、opening additional expansion valves C、adding refrigerant D、speeding up the machine
A、the crankcase explosion B、lifting of the cylinder safety valve C、a scavenge fire D、opening of the manhole