A、The pump delivers full capacity when started, but gradually slackens off toan abnormally low flow
B、The pump packing gland overheats after short operating periods
C、The motor over-current protective device continually shuts the pump down
D、Pounding noises can be heard at the pump suction chest
更多“Excessive air leakage into the suction side of a centrifugal pump would be indicated by which of the following operational problems?（）”相关的问题
A、free entry of air to the crankcase B、water entering the crankcase while engine wash-downs are being performed C、excessive oil leakage during periods of increased blow-by D、sub-cooling internal components
A、using a slightly dirty air filter B、using oil having an excessive viscosity C、intercooler or after-cooler leaks D、carrying the oil level higher than normal
A、an air bound fuel system B、damage to cylinder heads and pistons C、excessive fuel injection D、excessive air valve lift
A、A.excessive internal leakage in the pump B、B.low discharge pressure and fluid flow C、C.excessive fluid level in the hydraulic reservoir D、D.operation of the pump at 100% efficiency
A、cold intake air B、excessive compression pressure C、excessive cylinder lubrication D、a light load
A、worn cylinder liner B、faulty cylinder relief valve C、excessive lube oil pressure D、excessive scavenge air pressure
A、a cracked cylinder liner B、excessive water in the fuel C、a leaking intercooler D、excessive moisture in the scavenge air
客服
TOP
查看正确答案
