a 40% pressure drop across an oil filter screen indicates that Ans✓✓✓
screen is dirty
a constant displacement pump provides Ans✓✓✓ delivery of a given
volume of fluid regardless of discharge head
a lubricant is useful in Machinery because it Ans✓✓✓ reduces wear
a needle valve is particularly suitable for which of the following
application Ans✓✓✓ throttling
a spool on a hydraulic valve becomes Frozen What would be the most
likely result on the activating solenoid Ans✓✓✓ it would cause the
solenoid coil to overheat
a thermocouple element is actuated by heat which produces Ans✓✓✓ a
low voltage
absolute pressure at sea level is determined by Ans✓✓✓ adding 14.7 to
the gauge pressure (PSIG)
air leaving the exhaust Port of a four-way valve is directed to the
Ans✓✓✓ atmosphere
, Airline lubricators add oil to pneumatic systems to Ans✓✓✓ decrease
friction and corrosion of the air operated components
alignments between shafts can be checked with a Ans✓✓✓ straight
edge and feeler Gage
an air hose should be used to Ans✓✓✓ clean out a strainer
an EP grease would be best suited for which of the following Ans✓✓✓
low speed, high pressure
and a centrifugal pump cavitation can result in Ans✓✓✓ pitting of the
impeller
and centrifugal pumps case and impeller rings are used to Ans✓✓✓
limit the leakage between discharge and suction Chambers
and what kind of properly lubricated bearing is there no metal-to-metal
contact while the shaft is rotating Ans✓✓✓ Journal bearing
before cutting a cable the cable must be Ans✓✓✓ seized
calipers are used to Ans✓✓✓ measure inside and outside diameters