Boilermaker Nccr Test Questions And Answers

A channel head cover on an exchanger is used on the? {Ans: Tube side}How much is 3 inches in hundredths of a foot {Ans: 0.35}When an exchanger tube is plugged, why is tube cut before the second plug is installed {Ans: To prevent pressure build up}A pipe will be lifted with wire rope slings, Which of the following techniques should be used? {Ans: Use a double wrap on the choker to prevent the choke from sliding on the pipe}A cylindrical tank is 10ft high and 7ft in diameter. What is the aproximate volume of the tank? (v=PI*Radius^2height) {Ans: 385.0 cubic Ft.}What is the first thing a boilermaker should do before cutting into a tank or vessel? {Ans: Determine the content}