Resistant to corrosion - Study guides, Class notes & Summaries

Boilermaker NCCR Test Questions And Answers Boilermaker NCCR Test 1 ft 3-3/4 in + 2 ft 1-1/16 in +5 ft 10- 7/8 in = - ANS 9 ft 3-11/16 in A 1-inch plate is to be cut. Why should an acetylene gerulator on a cutting rig not be adjusted over 15 PSI? - ANS Acetylene is unstable above this pressure A big control valve is pulled who is responsible for the rigging? - ANS Crane operator and rigger A boiler maker must have all of the following wh...

Mass oil burner / NFPA 31 & NORA Practice Questions and Answers (100% Pass) Cast iron fittings can be used in heating fuel systems? - Answer️️ -False Tank vent shall terminate - Answer️️ -Within 12 feet of the fill and visible from the fill Tanks exceeding 330 gallons must have - Answer️️ -Top supply connection Fuel return piping from an appliance shall - Answer️️ -Enter the top of the tank Oil appliances burning used oil shall only be installed - Answer️️ -In commerci...

Contractor's License Exam Questions and Answers 100% Pass Attachments to structural members The edges of lugs brackets, rivets and bolt heads attached to structural members shall be permitted to extend to within 1 inch of the surface of the fire protection Parapet construction The height of the parapet shall not be less than 30 inches above the point where the roof surface and the wall intersect. Combustible framing in fire walls Adjacent combustible members entering into a concret...

Materials (Airframe) Questions and Answers Already Passed How does the use of aluminum benefit the construction of aircraft airframes? Aluminum is lightweight, corrosion-resistant, and strong, making it ideal for reducing overall aircraft weight while maintaining structural integrity. Why are composite materials becoming more common in airframe construction? Composites are lighter, stronger, and more resistant to corrosion than traditional metals, which improves fuel efficiency an...

An attached garage shall be separated from all habitable rooms above the garage with not less than 5/8 of an inch gypsum board A structure that is intended for swimming or recreational bathing is considered to be a swimming pool if it contains water over 24 inches What type of fastener do you use to install cabinets? Truss head wood screws The process of preparing sand underneath a concrete slab requires sand to be Compacted Habitable space in a basement shall hav...

Sheet Metal Structures, FAA Airframe Prepware Questions and Answers Graded A+ What is the primary advantage of aluminum alloy in aircraft sheet metal structures? Aluminum alloy is lightweight, strong, and resistant to corrosion, making it ideal for aircraft structures. Why are aircraft skins often riveted rather than welded? Riveting is used because it maintains the structural integrity of thin sheets without deforming the metal due to heat, unlike welding. What is a joggle in s...

0-20 DB Sound Level - Loudness: Very Faint Source: Whisper (5) 100-200 DB Sound Level - Loudness: Deafening Source: Generator (5) 20-40 DB Sound Level - Loudness: Faint Source: Quiet Conversation (5) 4 Primary Project Delivery Methods - - Design Bid Build - Design Build - CMAR - Multiple Prime Contracts (2) 4 Types of Shifting - Settlement, Upheaval, Sliding, Liquefaction. (4) 40-60 DB Sound Level - Loudness: Moderate Source: Average Conversation (5) 60-80 DB Sound Level - Loudness:...

Name four characteristics of asbestos - Answer-Naturally occurring, fibrous, hydrated, mineral and silicates What type of asbestos is the fibrous serpentine - Answer-chrysotile (white asbestos) Name the 5 amphiboles - Answer-Amosite Tremolite Actinolite Crocidolite Anthopyllite Name physical properties of asbestos - Answer-fire resistant spinnability tensile strength strong and durable resists fungus growth corrosion heat acids vermin What were some of the uses ...

Steel Pipe and Fittings Module 9 Latest Update Graded A+ How are steel pipes typically classified? Steel pipes are classified by their diameter, wall thickness, and material grade. What is the significance of the schedule number in steel pipes? The schedule number indicates the wall thickness of the pipe; higher numbers represent thicker walls. What are common applications for galvanized steel pipes? Galvanized steel pipes are commonly used for water supply lines, plumbing system...

Electric Wiring Questions and Answers Already Passed What is the most common material used for the conductive part of electric wiring? Copper is the most common material used in electric wiring because it conducts electricity efficiently and is relatively affordable. Why is aluminum sometimes used in wiring instead of copper? Aluminum is lighter and cheaper than copper, making it a viable alternative, especially for overhead power lines. How does insulation play a crucial role in...