NCCER BOILERMAKER MAINTENANCE TEST BANK | LATEST QUESTIONS AND CORRECT ANSWERS FOR COMPLETE PREP

◍ Where can an exchangers operating pressure be found - On the name plate ◍ When blinding a tower it is common practice to install blinds - As close as possible to the tower ◍ The correct tool to remove a broken pipe nipple is - Easy out ◍ head pressure testing is used on what type of system - gravity flow ◍ 3 basic type of hitches - Basket, choker, vertical ◍ In an oxyfuel cutting torch system what color code are the flashback arrestors - Red & Green ◍ Valves controlled by electric, pneumatic, or hydraulic actuators are called - Control valves ◍ What is the 1st step that should be done with the paint on the surface of a vessel - Sample it ◍ prior to use a spreader must be inspected for - Gouges ◍ cladding is used for corrosion protection over - carbon steel ◍ The hitch made by wrapping the sling around the load, then passing one eye of the sling - Choker hitch ◍ What are the components on a gate valve - Body, Bonnet, gate, stem ◍ Most common used fasteners - Anchor bolts ◍ Why must spring can be adjusted after it is out into service - Line becomes heavier after put into service ◍ Bolts used in concrete - Expansion anchor bolts ◍ Variable pipe support a boilermaker must verify - Proposed length of travel has no obstructions ◍ Needs only one end open for the - Hairpin ◍ What type of tank has legs on the roof - Floating roof ◍ Why is envelope gasket used in h8 acid piping - Because of its high resistance to acid ◍ What Prevents tubes from sagging - Baffles