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Carpenter Red Seal Exam Prep · Question

Before trimming and hanging a door, which part of the door frame should be checked for plumb, level, and square?

For a door to operate correctly, all components of the door frame (hinge jamb, strike jamb, and head jamb) must be set plumb, level, and square to ensure smooth

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Question: Before trimming and hanging a door, which part of the door frame should be checked for plumb, level, and square?

Answer options: ✅ All three: hinge jamb, strike jamb, and head jamb.

  • Only the hinge jamb.
  • Only the head jamb.
  • Only the strike jamb.

Correct answer: All three: hinge jamb, strike jamb, and head jamb.

Explanation: For a door to operate correctly, all components of the door frame (hinge jamb, strike jamb, and head jamb) must be set plumb, level, and square to ensure smooth opening and closing.

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