Installation Techniques & Procedures Flashcards
7 cards from real CPI practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Installation Techniques & Procedures flashcards as text
When setting anchor bolts in fresh concrete, what is the most important installation requirement?
Answer: Set bolts to the correct embedment depth and hold plumb until concrete achieves initial set
Correct embedment depth and plumb alignment must be maintained during setting because repositioning after initial cure dramatically reduces holding capacity.
What is the recommended technique for terminating stranded wire in a screw-terminal block to prevent loose strands?
Answer: Use a ferrule crimped onto the stranded end before inserting into the terminal
Crimped ferrules consolidate stranded wires into a solid cylinder that seats cleanly under the screw, preventing stray strands from causing shorts.
During installation of wall-mounted displays, what is the first measurement reference that must be established?
Answer: A level horizontal reference line from which all measurements are taken
A level horizontal reference line ensures that all mounts are installed at consistent, true heights regardless of floor variation.
What procedure must be followed before cutting into a wall that may contain asbestos insulation in a pre-1980 building?
Answer: Stop work, notify the supervisor, and follow asbestos abatement protocols before disturbing the material
Disturbing asbestos-containing materials without proper abatement procedures is a regulatory violation and serious health hazard requiring licensed contractors.
When torquing fasteners on a flanged joint, which pattern ensures even gasket compression?
Answer: Use a star or cross pattern, tightening bolts in opposing pairs progressively
A star or cross pattern ensures the gasket is compressed evenly from all sides simultaneously, preventing distortion and leaks.
A technician needs to install a bracket at a specific location but hits a void in the concrete when drilling. What is the correct next step?
Answer: Inject grout and wait for cure before re-drilling
Voids must be filled and allowed to cure before re-drilling so the anchor achieves the rated embedment in solid material.
When installing pipe hangers for a sloped drain line, what must the installer account for in hanger spacing and height?
Answer: Hanger heights must be staggered to maintain the required drain slope across the run
Each hanger must be set at progressively different heights to maintain a consistent slope (typically 1/4 inch per foot) that ensures gravity drainage without pooling.