What part of a reciprocating pump
automatically times the admission and
release of steam to and from each end
of the steam cylinder?
1. Rocker arm
2. Tappet collar
3. Valve assembly
4. Pump rod
What action should you take first
before examining or repairing a
Gather the tools required
Assemble blueprints, drawings, and
Measure the main cylinders and
valve chest cylinders
Draw a diagrammatic sketch of the
6-64. There are what number of moving parts
in the basic centrifugal pump?
6-65. Which of the following laws of physics
applies to the centrifugal pump?
As the velocity of fluid increases,
the pressure increases
The suction at the center of rotation
is inversely proportional to the
pressure away from the center of the
As the velocity of a fluid increases,
the pressure decreases
The pressure at the center of
rotation equals the pressure away
from the center of rotation
6-66. Multistage centrifugal pumps have two
or more of what type of devices?
6-67. What type of impeller has sidewalls
extending from the eye to the outer
edge of the vane tips?