B.m. R.e.c.c.n.

192 Questions  I  By Freedomfighter
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1.   The channel head cover on an exchanger is used on the__________
A.
B.
C.
D.
2.       Who is responsible for housekeeping?
A.
B.
C.
D.
3.      Where is a demister pad usually located?
A.
B.
C.
D.
4.     What is the standard hydro-test pressure after a routine boiler repair?
A.
B.
C.
D.
5.  1.       All of the following are parts of a tower EXCEPT
A.
B.
C.
D.
6.  1.       When may guards and other safety devices be removed from equipment?
A.
B.
C.
D.
7.  1.       What does “3-inch G.A.V.A.” on a piping isometric mean?
A.
B.
C.
D.
8.  1.       What indicates the direction of flow on a check valve?
A.
B.
C.
D.
9.  1.       What types of valves are typically used on a sight glass to direct flow?
A.
B.
C.
D.
10.  1.       Why are metal tags installed on 90-degree turns on reactors?
A.
B.
C.
D.
11.  1.       Why is a Monel gasket used in HF acid piping?
A.
B.
C.
D.
12.  1.       Dampers are used on the PRIMARY air ports to control the__________
A.
B.
C.
D.
13.  1.       What should be verified before a wall burner is pulled for inspection?
A.
B.
C.
D.
14.  1.       A 1-inch plate is to be cut.  Why should an acetylene regulator on a cutting rig NOT be adjusted over, 15 psi?
A.
B.
C.
D.
15.  1.       When a tube “Dutchman” is used, what size gap should be left between the “Dutchman” and the tube?
A.
B.
C.
D.
16.  1.       Pipe stamped with the Code 316L or 304L denotes what type or grade of piping and fittings?
A.
B.
C.
D.
17.  1.       What is indicated by the notation “3-inch, 150#” on an isometric drawing?
A.
B.
C.
D.
18.  1.       What is the volume of a rectangular electrical box if the with is 3 ¼ inches, the length is 4 ½, and the depth is 1 ¾ inches?
A.
B.
C.
D.
19.   What is the pressure differential hydro-test on an exchanger?
A.
B.
C.
D.
20.  What is a “dummy leg” used for?
A.
B.
C.
D.
21.  A hand-hole plug is removed.  How should the hole be repaired?
A.
B.
C.
D.
22.  All of the following are major components of a tower EXCEPT?
A.
B.
C.
D.
23.  What do the letters “WOL” on a blueprint stand for?
A.
B.
C.
D.
24.  What should be used to put screwed fittings together for a steam process?
A.
B.
C.
D.
25.  A right triangle has three angles that add up to 180 degrees.  What are the sizes of each of each of the three angles?
A.
B.
C.
D.
26.  What are spacers used for when an exchanger is blinded?  
A.
B.
C.
D.
27.   Eye bolts, anchor bolts, and self-tapping bolts ate all types of__________  
A.
B.
C.
D.
28.  How much is 3-inches in hundredths of a foot?  
A.
B.
C.
D.
29.  Why does an operator rod-out a drain valve?  
A.
B.
C.
D.
30.  Typically, what is the hydro-test pressure of an exchanger with an operating pressure of 400 psi?  
A.
B.
C.
D.
31.  What power source is used to run a tugger?  
A.
B.
C.
D.
32.  What holds the trays to the rings in a tower?  
A.
B.
C.
D.
33.  1.       What grade number is found on the bolts on a reactor that operates at high temperatures? a.       L-5 b.       A-35 c.        B-16 d.       B-7
A.
B.
C.
D.
34.   Which of the following items are used for heavy rigging?
A.
B.
C.
D.
35.  What does a grooved nut on an oxyacetylene rig indicate?  
A.
B.
C.
D.
36.   What are thermocouples used for?  
A.
B.
C.
D.
37.   Which gas passes through the center in a cutting torch tip?  
A.
B.
C.
D.
38.   What should be done before furnace fittings for tube replacements are grounded?  
A.
B.
C.
D.
39.  1.       What should be used on the bolts of a reactor that operates at high temperatures? a.       Heavy-oil b.       Teflon c.        Nickel anti-seize d.       WD-40
A.
B.
C.
D.
40.  What determines the type of bolts to be put back in an exchanger so that it can be bolted back together?  
A.
B.
C.
D.
41.  What type of diagram provides and overall view of the operational aspects of a process system?  
A.
B.
C.
D.
42.  What is the basic formula for determining the CORRECT wrench size, per stud size?  
A.
B.
C.
D.
43.  What is a hammer wrench commonly used for?  
A.
B.
C.
D.
44.  What is the standard hand signal used to instruct a crane operator to lower a load?
A.
B.
C.
D.
45.  What information MUST a boilermaker know before blinding a tower?  
A.
B.
C.
D.
46.  What should a boilermaker do first when preparing for the evacuation of a reactor?  
A.
B.
C.
D.
47.  1.       Elevation adjustments on the pipe hanger should be made at which point?
A.
B.
C.
D.
48.  What should a boilermaker do to verify hydro-test pressure for exchangers?  
A.
B.
C.
D.
49.  When performing a welding repair, you MUST have a copy of what on hand?  
A.
B.
C.
D.
50.  If the hook is loaded off-center, the safe working load is__________  
A.
B.
C.
D.
51.  Rigging is to be done with a wire choker over a beam.  When is a softener REQUIRED?  
A.
B.
C.
D.
52.  Why are there ball checks on sight-glass valves?  
A.
B.
C.
D.
53.  MOST spring cans are made of what material?  
A.
B.
C.
D.
54.  What type of power tools should be selected for use in a no-spark producing areas?  
A.
B.
C.
D.
55.  What problems are associated with tube rolling?  
A.
B.
C.
D.
56.  After blinding, what should a worker do before removing any flange bolts on the exchanger channel head?  
A.
B.
C.
D.
57.  What should be used to plug a tube at either end of a weld to prevent air circulation?  
A.
B.
C.
D.
58.  The decimal equivalent of 56 inches is__________  
A.
B.
C.
D.
59.  How are tapered plugs installed in the ends of a leaking tube in a typical exchange-tubing bundle?  
A.
B.
C.
D.
60.  Why should an extra-thick blind be used for hydro-testing?  
A.
B.
C.
D.
61.  A reinforcement pad is used on the shell of a vessel to__________  
A.
B.
C.
D.
62.  A crane is being used to remove a valve from a run of pipe.  When should the rigging material be attached to the valve?  
A.
B.
C.
D.
63.  Which type of flange REQUIRES a full-face gasket?  
A.
B.
C.
D.
64.  Hoist or load attachment chains, wire rope slings and kooks should be visually inspected?  
A.
B.
C.
D.
65.  What type of gasket is usually used when a steam service drum is blinded?  
A.
B.
C.
D.
66.  All of the following are parts of an exchanger EXCEPT?  
A.
B.
C.
D.
67.  Who should a boilermaker consult about the correct hydro-test pressure on a piece of equipment?  
A.
B.
C.
D.
68.  What size Flex italic gasket should be used on a 6-inch, 400# flange on an exchanger?  
A.
B.
C.
D.
69.  Which of the following is a hazard of working with Kaowool insulation in furnaces?  
A.
B.
C.
D.
70.  The acetylene pressure at the bottle of an oxy-acetylene cutting torch exceeds 15psi.  What might be the result?  
A.
B.
C.
D.
71.  What materials should be used to secure a socket to an impact wrench?  
A.
B.
C.
D.
72.  All the items listed below are the MOST common methods of determining pipe lengths EXCEPT  
A.
B.
C.
D.
73.  What is the MOST commonly used light-lifting device?  
A.
B.
C.
D.
74.  What is the first thing a worker should do during a chemical release evacuation?  
A.
B.
C.
D.
75.  Why is stainless steel used for corrosive-type service?  
A.
B.
C.
D.
76.  How should a packing gland on a gate valve be tightened down?  
A.
B.
C.
D.
77.  Tubes in a furnace can be made of all of the following materials EXCEPT  
A.
B.
C.
D.
78.  What substance has a low resistance to solvent and oil?  
A.
B.
C.
D.
79.  What size wrench should be used to blind an 8-inch, 150# flange?  
A.
B.
C.
D.
80.  Which one of the signals instructs the crane operator to "lower the load slowly"?
A.
B.
C.
D.
81.  Why are lock-out/tag-out(s) used on valves, switches, and equipment?  
A.
B.
C.
D.
82.  Which fitting changes the centerline of a pipe system?  
A.
B.
C.
D.
83.  Trays are installed in a tower.  Why the internal man-ways are temporarily left out?  
A.
B.
C.
D.
84.  Why should an extra thick blind be used when hydro-testing?  
A.
B.
C.
D.
85.  What is another name for a wedge socket?  
A.
B.
C.
D.
86.  What letter represents the tub (bell) head?  
A.
B.
C.
D.
87.  When an exchanger tube is plugged, why is the tube cut before the second plug is installed?  
A.
B.
C.
D.
88.  Where would a rim plate be found?  
A.
B.
C.
D.
89.  Why should a full port valve be used for a corrosion probe?  
A.
B.
C.
D.