Pumps

Question 1

Mechanical device that transfers liquids against gravity or exhausts gasses

Answer 1

Pump

Question 2

The amount of liquid a pump can move in a given time

Answer 2

Capacity

Question 3

2 ways to measure pressure

Answer 3

PSI
Head

Question 4

A pump being fed by a column of fluid

Answer 4

Positive head

Question 5

A pump having to pump against gravity

Answer 5

Negative head

Question 6

Prefilling a pump with fluid to prevent air/cavitation

Answer 6

Priming

Question 7

2 types of pumps covered in the chapter

Answer 7

End suction
Split case

Question 8

3 types of impellers

Answer 8

Open, semi open, closed

Question 9

2 ways of sealing a pump

Answer 9

Compression packing
Mechanical seal

Question 10

4 components of a compression packing system

Answer 10

Stuffing box, packing ring, lantern ring, gland follower

Question 11

3 functions of flush water

Answer 11

Cools shaft
Swells packing
Cleans away contamination

Question 12

Types of mounting

Answer 12

Frame mounting
C-frame mounting
Close coupled motor(impeller on motor)

Question 13

Disadvantage to a single stage pump.

Answer 13

Low pressure limitations
(To increase it you need to use multistage)