Name five common furnace problems and describe each.
What will be an ideal response?
Flame Impingement
Hot Spot
Spalled Refractory
Ruptured Tubes
Vibrating Tubes
Plugged Burner Tips
Broken Burner Tiles
Broken Supports and Guides
Hazy Firebox or Smoking Stack
Sagging or Bulged Tubes
Hot Tubes
Fuel Composition Changes
Flameout
Valve failure
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What are the limitations if a network is mobile with no wireless support?
What will be an ideal response?
What is a potentially important use of the daily diary that is not related to the crew leader's efficient management of work?
a. Documenting work completed b. Recording an OSHA inspection visit c. Scheduling a new-worker orientation session d. A source of information during litigation with the client
If you apply 5V directly across an LED so that it is forward biased, and its specified forward bias voltage is 2V, it will
A. store the excess energy in a magnetic field, like an inductor. B. shine dimly. C. become cold in temperature due to the semiconductor properties. D. fail due to excessive current. E. not shine at all since no current will flow.
Leaking turbocharger seals can cause ____________________ exhaust smoke.
Fill in the blank(s) with the appropriate word(s).