Chief 1

Question 1

Impeller

Answer 1

Has veins attached to a central hub which spins

Question 2

Lantern rings

Answer 2

Stops air leakage into the casing when pressure is below atmospheric

Question 3

Casing

Answer 3

Shell or container which holds pump parts

Question 4

Wearing rings

Answer 4

Used to prevent wear between the impeller and the casing

Question 5

Kingsbury bearing

Answer 5

A type of thrust bearing found in larger pumps

Question 6

Stuffing boxes

Answer 6

Used to prevent air leakage into the pump when running with a suction lift

Question 7

Shaft sleeve

Answer 7

Protects the shaft against corrosion and wear

Question 8

Mechanical seal

Answer 8

Usually comprised of two polished lubricated parts running on each other

Question 9

Foot valve

Answer 9

A device used to prime pumps

Question 10

Cushion chamber

Answer 10

Used to smooth the liquid flow

Question 11

Economizer

Answer 11

Device used to heat boiler feedwater

Question 12

Deaerator

Answer 12

Device used to remove oxygen from boiler feedwater

Question 13

Superheater

Answer 13

Device used to increase the heat units in saturated steam

Question 14

Turbine

Answer 14

Device using the heat in steam to do mechanical work

Question 15

Attemperator

Answer 15

Device used to de-superheat steam

Question 16

Air pre heater

Answer 16

Device used to raise the temperature of combustion air

Question 17

Ziolite softener

Answer 17

Device used to treat boiler feedwater

Question 18

Thermocouple

Answer 18

Device, which produces a small electric current when the heat is applied to two dissimilar metals

Question 19

Psychrometer

Answer 19

Device used to measure relative humidity

Question 20

Manometer

Answer 20

Device used to measure air pressure