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FREE AND STUDY GAMES ABOUT BOILER STUDY GUIDE
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -142 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: how is a plate dog used
Answer:
it buffers to align vertical plates at the weld
Question 2: a pressure differential hydro test on an exchanger is one
Answer:
that is different when fire water is used on the shell and a hydro pump is used on the tubes
Question 3: what is the primary reason for high-point vents in hydrotesting
Answer:
to purge air pockets Question 4: a boiler maker is hydro testing an exchanger and finds that a tube is leaking, what should the boiler maker use to stop the leak
Answer:
plugs
Question 5: a cylindrical tank is 10 ft high and 7 ft in diameter, what is the approximate volume of the tank
Answer:
385.0 cubic feet
Question 6: what is the most commonly used fasteners in boiler construction
Answer:
threaded
Question 7: how many people can tie-off to a vertical lifeline
Answer:
a maximum of two people
Question 8: the best source for information about welding on a tube is the
Answer:
QA/QC
Question 9: which gas passes through the center in a cutting torch tip
Answer:
oxygen Question 10: what is indicated by the notation "3-inch, 150#" on a isometric drawing
Answer:
3-inch diameter, 150# flange
Question 11: which of the following connecting units are used on pipe hangers
Answer:
eye bolts, turnbuckels, threaded rods Question 12: dimensional measurements can be found on all of the following except
Answer:
mechanical flow diagram
Question 13: what is the first thing a boler maker should do before cutting into a tank or vessel
Answer:
determine the content Question 14: on site who determines what grade of material to be used for repair
Answer:
QA/AC
Question 15: what are the four major components of a gate valve
Answer:
body, bonnet, gate, and steam Question 16: when an exchanger tube is plugged, whey is the tube cut before the second plug is installed
Answer:
to prevent pressure build up
Question 17: How should bolts on an 8-bolt flange be tightened
Answer:
in a cross-over pattern
Question 18: where is the exchanger blinded during a tubeside pressure test
Answer:
on the channel head flanges
Question 19: what is a spud wrench most commonly used for
Answer:
aligning flanges Question 20: what type of valve is used on a hydro test tee to maintain test pressure after the hydro has reached its required pressure
Answer:
check
Question 21: a big control valve is pulled. who is responsible for the rigging
Answer:
crane operator and rigger
Question 22: what is one way to permanently support a pipe in a pipe rack
Answer:
with shoes
Question 23: why are there ball checks on sight glass valves
Answer:
to stop the flow if there are leaks or if the sight glass breaks Question 24: what should be done before furnace fittings for tube replacements are ground
Answer:
the inside of the fitting should be inspected
Question 25: what is the most commonly used light lifting device
Answer:
chain hoist Question 26: what type of steel beams are attached to the furnace wall with clips to contain a boilers horizontal expansion
Answer:
buckstays Question 27: a boiler maker who is hydrotaticaly testing an exchanger should have which of the following information
Answer:
the correct test pressure
Question 28: which of the following fasteners is used on concrete
Answer:
expansion anchor bolt