1. What is the handwheel color code for the sewage Gold
system?
2. What system uses valves with dark blue handwheels? Potable water
3. What system uses valves with dark green hand- Sea water
wheels?
4. What is the purpose of a gasket? Create seal between 2
fixed faces
5. what is the most common indication that repair or Leakage
of packing or a gasket is needed
6. What is used to identify the system is under repair Tagout
and
prevent operation of valves during repairs?
7. Why does a pressure barrier need to be created when To prevent damage or in-
making repairs of an isolated system? jury and fluid escape
8. What must be done when tightening down a flange? Torque SEQ.
9. what technical document details gasket and packing NSTM 078
materials as well as their applications?
10. What component will be used to contain fluids or liq- Gasket
uids
where 2 pipes join together?
11. What type of gasket must be replaced once it has Flexitallic gasket
been
used?
, BECC 2ND TEST QUESTIONS AND ANSWERS 100% CORRECT 2026
12. What is the purpose of packing? To seal two moving pieces
13. What kind of packing can be used with temperatures Graphite ribbon packing
ranging from -392°F to 5,432°F?
14. What is used to create a seal between 2 moving sur- Packing
faces?
15. Which of the following is defined as speed in a certain Velocity
direction?
16. Hydraulics is concerned with which of the following? Physical behavior of liq-
uids
17. What will happen to the pressure of a gas when its Increase
temperature increases if the volume is held constant?
18. What property helps a flywheel on an engine resist Inertia
small changes in speed?
19. Which energy transformation occurs during combus- Chemical to thermal
tion?
20. Which of the following is the rate at which velocity Acceleration
changes?
21. What is the heat transfer through direct physical con- Conduction
text?
22. What of the following best defines combustion? Chemical reaction rapid
with fuel, heat.
23. Which of the following is the difference between two Ditterential
pressures measured with respect to a common basis?