3E451N Practice Test

Listed below are sample questions for 3E451N from our database. Register now to start taking tests for this AFSC! We have 448 questions currently in the database for this category.

The version of this CDC we have in the database is 1

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  • 1 . 108. (444) What size water supply line is required for urinal flushometers?
    ¾ inch
  • 2 . 85. (624) Rapid sand filters are cleaned by a process called
    backwashing
  • 3 . 21. (208) Who, from the Fire Department, is responsible for examining an area before you solder?
    The Technical Services Branch inspector
  • 4 . 39. (213) Pipe die sets consist of a
    handle, holder, and die set
  • 5 . 14. (603) When a deluge fire sprinkler system is operational, the main water control valve is
    open and the alarm valve to control devices is open
  • 6 . 48. (421) Who must be notified anytime a water main is turned off?
    Fire department.
  • 7 . 68. (019) With regards to the environmental analysis time frame, the Council on Environmental Quality sets what kind of time frame for the entire National Environmental Policy Act process?
    No strict timeline.
  • 8 . 66. (428) What is the desired fall for a 3-inch house sewer?
    ¼ inch per foot
  • 9 . 75. (227) What must be done before you can remove a butterfly valve from a pipeline?
    Place it in the fully closed position
  • 10 . 21. (604) Dry-chemical systems are not allowed to be used for what type of fire protection application according to Unified Facilities Criteria (UFC) UFC 3–600–01?
    Commercial kitchens.