Maine Contractors License Exams

Maine Stationary Steam Engineer

Sample Questions for the Maine Stationary Steam Engineers Exam

  1. Which of the following precautions should be taken when welding near combustible materials?
    1. have some sort of extinguishing device readily available
    2. stay clear of the sparks
    3. try to direct the sparks away from the combustible material
    4. use a heat shield
  2. What is the advantage of a gate valve over a globe valve?
    1. a globe valve is more expensive
    2. a gate valve provides straight through full flow
    3. a gate valve is easier to install and service
    4. a globe valve provides straight through full flow
  3. What is one of the functions of a McDonnell-Millier feeder valve on a boiler?
    1. to protect the boiler from firing at a low level condition
    2. to protect the boiler from firing at a high level condition
    3. to keep water at a very low level
    4. to keep water at a very high level
  4. What type of boiler do you use most often for process steam, such as heating, driving operating turbines for fans or pumps, and other process work?
    1. Utility boiler
    2. Industrial boiler
    3. Condensing boiler
    4. Combination boiler
  5. __________ is a system in which fuel is used to produce energy and the heat from the fuel is then directed to be used by a boiler to conserve energy and achieve the maximum efficiency from the heat generated.
    1. Recycling Energy
    2. Firing System
    3. Steam Cycle
    4. Cogeneration
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