Carpenter Red Seal Exam Prep · Question
When installing a pre-hung exterior door unit, what is the primary purpose of shimming the jambs?
Shimming is crucial to align the door frame perfectly, allowing the door to swing freely, latch correctly, and for the weatherstripping to seal effectively. Whi
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Question: When installing a pre-hung exterior door unit, what is the primary purpose of shimming the jambs?
Answer options:
- To increase the R-value of the door frame
- To prevent moisture intrusion around the frame ✅ To ensure the frame is plumb, square, and level for proper operation and weatherstripping seal
- To provide a purchase for applying caulk around the perimeter
Correct answer: To ensure the frame is plumb, square, and level for proper operation and weatherstripping seal
Explanation: Shimming is crucial to align the door frame perfectly, allowing the door to swing freely, latch correctly, and for the weatherstripping to seal effectively. While it helps with the overall integrity, its primary role is dimensional alignment.
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- When interpreting a foundation plan, a dashed line with 'P. WALL' typically represents which of the following?
- A site plan shows contour lines with an interval of 0.5 m. If two adjacent contour lines are labelled 124.0 m
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