drain water from the air receiver
drain water from the cylinders
delay the compression process until the motor is up to speed
check pump alignment
第1题：
broken inlet valves
broken discharge valves
pulsations in the air distribution system
overloading of the air distribution system
第2题：
increase compressor discharge pressure on demand
increase compressor operating speed as necessary
allow the motor to turn the compressor opposed only by friction
reduce the compressor frictional load when starting
第3题：
what is the use of “unloader “on main air compressor ?
第4题：
fuel oil
cooling water
steam
power
第5题：
an immediate crankcase explosion
oil contamination in the compressed air
a decrease in compressor capacity
no immediate loss of the compressed air capacity
第6题：
charge air receiver
scavenging air belt
turbine
air cooler
第7题：
Suez Canal searchlight, air compressor and air conditioning compressor
Air compressor, boiler blower and refrigeration plant
Boiler blower, Suez Canal searchlight and refrigeration plant
Suez canal searchlight, air compressor and boiler blower
第8题：
re-evaporator
receiver
dehydrator
solenoid
第9题：
unloaded
primed
filled with water
greased
第10题：
expansion tank
combustion chamber
air receiver
evaporator