Chapter 15

Question 1

1. Pumps are generally rated by their maximum operating pressure capability and their output in _____ at a given drive speed

Answer 1

GPM

Question 2

2. Pump _____ is expressed in cubic inches per revolution

Answer 2

Displacement

Question 3

3. Most pumps have a _____ displacement which cannot be changed easily

Answer 3

Fixed

Question 4

4. Volumetric efficiency is equal to actual output divided by _____ output

Answer 4

Theoretical

Question 5

5. High pressures at gear pump outlet imposes a _____ load on the gears and bearings supporting them

Answer 5

Unbalanced

Question 6

6. Most fixed displacement vane pumps utilize the _____ cartridge design

Answer 6

Balanced

Question 7

7. Intra-vane pumps have holes drilled through the rotor segments to _____ pressure

Answer 7

Equalize

Question 8

8. The pistons in an _____ piston pump are parallel to each other and to the axis of the cylinder block

Answer 8

Axial

Question 9

9. In an _____ piston pump, the cylinder block and drive shaft are on the same centerline and the pistons retract parallel to the drive shaft

Answer 9

Inline

Question 10

10. In a _____ piston pump, the cylinder block turns with the drive shaft at an offset angle.

Answer 10

Bent axial