Boilermaker 4 Verified Solutions

Boilermaker 4 Verified Solutions ______ are established standards for machining threads. Thread standards A chain sling should be discarded if any portion of the chain is worn by____ 15 percent or more A hook that is hooked 1/4 off center can theoretically carry about what percent of the rated load? 86 A one-handed signal that is given with the fist in front of the body and the thumb pointing toward the signaler's body means extend the boom A tag line should be attached to a load where it will give the____ greatest mechanical advantage A(n) _______is a machined metal slot in a shaft and on parts such as gears and pulleys that accept a key. Keyway A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from rotating on a shaft. Key After reaching 50 percent of the desired test pressure during a hydrostatic test, increase the test pressure in increments of__ 10 percent An approximation of the diameter of a screw is known as the screw's_______ Nominal size An excessive number of trays in a tower will result in _______. excessive pressure drops across the tower Custom-fabricated spreader and equalizer I beams should be tested at what percent of their rated capacity? 125 Dredging and other marine work require what type of slings because they withstand corrosion better? Chain Fasteners with ____________ thread are used when rapid assembly or disassembly of parts is required. United National Coarse (UNC) thread Heat that can be detected by touch is called _______ sensible heat How many Btus are needed to change water into steam? 970 If it is apparent that the crane operator has misunderstood a hand signal, the signal person should___ signal the operator to stop In a forced draft system, a fan pushes the air into the_____. tube sheet In which type of feed combination does an extra feed appear in the bottom product stream? Extractive L Figure 1 A Koch-Glitsch fastener stamped with the symbol shown in Figure 1 is made of_____. Type 304L