A.maintain radial alignment between the pump impeller and casing
B.absorb all impeller shaft end thrust
C.prevent water leakage to the atmosphere
D.prevent wear of the pump casing and/or impeller

A.psychrometer
B.salinometer
C.anemometer
D.sphygmomanometer

A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature

A.pump would be very noisy
B.pump would vibrate excessively
C.pump would develop insufficient flow
D.stuffing box would leak excessively

A.gravity and feed oil cups
B.grease cups
C.hand during installation
D.leakage through the stuffing box

A.a needle gun
B.soap and water
C.a wire brush
D.a chipping hammer

A.Hydrochloric acid
B.Chlorine
C.Sulfuric acid
D.Zinc chromate

A.absolute humidity
B.relative humidity
C.specific humidity
D.total humidity

A.excessive pump speed
B.excessive suction head
C.worn wearing rings
D.gross pump misalignment

A.Distillation is the process of boiling seawater to produce vapor which is condensed into fresh water
B.Evaporation is the second part of the distillation process where brine is removed
C.Brine is the result of condensed sea water vapor
D.Distillate is the product resulting from the evaporation of fresh water vapor

A.absolute humidity
B.specific humidity
C.effective humidity
D.relative humidity