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60 Cards in this Set
- Front
- Back
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Which of the following statements best describes a restricted access space?
a. A closed compartment b. A compartment with one access c. A space with its access partially blocked by a piece of machinery d. Both b and c above |
d.) both b. and c.
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When brazing a section of pipe inside a void, how long should you allow the torch to remain in the void?
a. A maximum of 3 hours b. Only during the actual brazing process c. A maximum of 1 hour d. Only during the fitup and brazing of the pipe section |
b. Only during the actual brazing process
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You are installing a metal rack in your shop. You should place the rack (a) in what orientation and (b) for what reason?
1. (a) Port to Starboardd (b) to prevent excess movement at sea 2. (a) Port to Starboard (b) for ease of loading and unloading material 3. (a) Forward to Aft (b) to prevent excess movement at sea 4. (a) Forward to Aft (b) for ease of loading and unloading material |
3. (a) Forward to Aft
(b) to prevent excess movement at sea |
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If metal must be stored outside of racks, how should it be secured?
a. Strapped to a bulkhead b. Tab welded to a stanchion c. Secured lying flat on the deck d. Chained to a bulkhead. |
c. Secured lying flat on the deck
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For a shop safety program to be effective, all personnel must meet which of the following requirements?
a. Complete machinery qualification b. Get a medical clearance c. Complete safety inspection by the command's safety officer d. participate 100 percent in safety |
d. participate 100 percent in safety
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To be effective when working in the shiplifter shop, you must have a thorough knowledge of blueprint reading and sketching. Which of the following is an advantage of having a thorough knowlege of blueprints?
a. Improved productivity b. Greater efficiency c. Reduced number of mistakes d. Each of the above |
d. Each of the above
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What block on a blueprint identifies directly or by reference the larger units of which the detailed part belongs?
a. Appllication block b. Title block c. Zone numbers d. Material list |
a. Appllication block
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Which of the following informaiton is NOT found in the bill of material?
a. Material weight b. Material chemical compositions c. Appllicable MILSPECS d. Quantity of material used |
b. Material chemical compositions
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You are reading a blueprint and notice a line that is medium in thickness with short, evenly spaced dashes. What type of line is this?
a. hidden line b. center line c. visible line d. phantom line |
a. hidden line
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You are reading a blueprint and notice a line that is thin in thickness with an arrow head or dot at one end. What does this symbol indicate?
a. Dimension line b. Leader line c. Welding symbol d. NDT inspection symbol |
b. Leader line
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How are tolerance dimensions indicated on a blueprint?
a. By a lowercase "t" b. By decimal dimensions c. By fractional dimensions d. By a plus (+) or minus (-) symbol |
d. By a plus (+) or minus (-) symbol
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When obtaining the dimensions off of a drawing, why should you NEVER measure directly off the drawing?
a. The print may have been reduced from the original drawing b. Paper size changes due to humidity c. Misinterprentation of the scale reading d. Each of the above |
d. Each of the above
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What type of view is used to indicate an alternate position of parts of the item drawn?
a. Exploded b. Offset c. Phantom d. Sectional |
c. Phantom
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If you were assembling a globe valve, what type of view would you use to show the relative location of individual parts?
a. Phantom b. Exploded c. Sectional d. Half-Sectional |
b. Exploded
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You have a piece of wide-flanged steel beam that is identified as "14 inch WF 36.2" What does the number 36.2 designate?
a. Weight per linear foot b. Chemical composition c. Tensile strength d. Shear strength |
a. Weight per linear foot
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What is the weight per square foot of 1/16 inch thick carbon steel plate?
a. 1 lb b. 2 lb c. 1 1/2 lb d. 2 1/2 lb |
d. 2 1/2 lb
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The SAE and AISI numbering systems used for the classification of carbon steels and alloy steels are almost identical. What is the only difference between the 2 systems?
a. The SAE system adds a letter designating manufacturing process b. The AISI system adds a letter designating manufacturing process c. The SAE system adds a letter designating the major alloying element d. The AISI system adds a letter designating trhe major alloying element |
b. The AISI system adds a letter designating manufacturing process
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Federal specifications use a set of letters to designate a group of materials. Which of the following groups of letters are you most likely to use in a HT shop?
a. SS (steels) and PP (pipe) b. SS (steels) and WW (fittings) c. QQ (aluminum) and TT (tubes) d. QQ (metals) and WW (pipe) |
d. QQ (metals) and WW (pipe)
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You are using a section of metal with the designation of MIL-S-20175. What does the number 20175 designate?
a. The assigned number for a type of metal plate b. The assigned number for a structural steel c. The assigned number for a section of angle iron d. The assigned number for a section of pipe |
a. The assigned number for a type of metal plate
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A piece of aluminum plate is 99.10 percent aluminum. What numerical classification is used to designate this piece of plate?
a. 1xxxx b. 2xxxx c. 3xxxx d. 4xxxx |
a. 1xxxx
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A piece of aluminum that is solution heat treated and artificially aged is designated by what temper designation?
a. W b. H c. T6 d. T8 |
c. T6
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A section of aluminum plate is designated as 5134-T48. (a) What digit indicates the degree of hardness and (b) what does this digit mean?
1. a. Last number of the first section b. extra hard 2. a. Last number of the second section b. full hard 3. a. Last number of the first section b. 1/2 hard 4. a. Last number of the second section b. 1/2 hard |
2. a. Last number of the second section
b. full hard |
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Which of the following information is NOT included on the continuous identification marking system?
a. Manufacturer b. Physical conditions c. Date manufactured d. Applicable specifications |
c. Date manufactured
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You should NOT cut a sheet of metal less than 1/8 inch thick on a drop shear for which of the following reasons?
a. It will bend around the knives b. It is thinner than the knife clearance c. It is too flexible d. It is thinner than the minimum thickness rating of the machine. |
a. It will bend around the knives
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What, if anything, happens to the capacity of a machine as metal hardness increases?
a. it increases b. it decreases c. Nothing, it remains the same d. stops |
b. it decreases
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Why should you NEVER cut round stock on a drop shear?
a. You will damage to the cutting knives b. you will risk injury since the stock could slip from under the dogs c. Both 1 and 2 above d. you will bind up the machine |
c. Both 1 and 2 above
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A drop shear is operated with the shearing action control lever/button in the JOG position. What can you expect to happen when the trip lever is depressed?
a. The metal will automatically advance b. The metal will automatically align with the cutting knives c. The shear will make one cut only d. The shear will cut continuously |
d. The shear will cut continuously
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What is the total number of cutting edges on the upper knife of a shear?
a. One b. Two c. Three d. Four |
d. four
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Normal knife clearance for the drop shear is 0.010 inch at the first and last holddown and 0.008 inch in the center. Why is there a 0.002 inch difference in the clearance?
a. to allow for flexing of the metal b. To compensate for the greater shearing pressure in the center c. to compensate for less holddown pressure in the center d. to allow for flexing of the knives |
d. to allow for flexing of the knives
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To punch a hole in a piece of 1/2-inch thick plate on the universal ironworker, the punch should be of what minimum diameter?
a. 1/4 in. b. 3/8 in. c. 1/2 in. d. 5/8 in. |
c. 1/2 in.
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When using the universal ironworker to punch a 3/16-inch hole in a piece of plate, what is the proper punch-to die clearance you should use?
a. 1/10 of the plate thickness b. 1/2 of the plate thickness c. 1/16 of the diameter of the hole being punched d. 1/10 of the diameter of the hole being punched |
a. 1/10 of the plate thickness
read page 13-24 |
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If shimming is required for proper knife clearance on the shearing station of the Universal ironworker, which, if any, of the following knives should you shim?
a. The movable knife only b. The stationary knife only c. The movable and stationary knives d. none of the above |
b. The stationary knife only
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Why should you NOT operate the Pullmax machine for extended periods of time?
a. It causes eye straing b. It causes excessive vibration to your hands c. It causes excessive noise levels d. it causes back strain |
b. It causes excessive vibration to your hands
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When cutting heavy gauge metal on the Pullmax machine, what speed should you use?
a. Fast speed b. slow speed c. One-half speed d. One-quarter speed |
b. slow speed
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When shearing a 3/8 inch thick piece of carbon steel plate on the Pullmax machine, you should adjust the lower tool so that it makes what maximum depth of cut?
a. 1/32 in. b. 1/16 in. c. 3/32 in. d. 1/8 in. |
not sure of the answer
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Which of the following factors should you use to determine whether to replace or resharpen the electrode on the plasma arc cutting machine?
a. The diameter of the electrode is reduced more than 10% b. The electrode recesses into the cup c. The scribe line on the electrode disappears d. The diametrical difference between the electrode and cup exceeds 0.035 inch. |
not sure of the answer
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When bending plate on the brake press, what is the maximum degree of bend you can make?
a. 45% b. 60% c. 90% d. 95% |
c. 90%
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What is the maximum width of flat stock you can bend on the brake press?
a. 1 in. b. 2 in. c. 1/2 in. d. 1 1/2 in. |
b. 2 in.
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Limit switches on the brake press serve which of the following functions?
a. They determine the thickness of metal that can be bent b. They control the amount of ram travel c. They determine the wdith of metal that can be bent d. They control the amount of die rotation |
b. They control the amount of ram travel
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Which of the following components is NOT part of the Hossfeld bender?
a. The swing frame b. The stop gauge c. The center pin d. The bend frame |
d. The bend frame
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Why is white pine the preferred material to use as a template wood?
a. It can be easily cut b. It can be easily bent c. It is lighter than most woods d. It has a greater strength to weight ratio |
a. It can be easily cut
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When constructing a set for a 1/2 inch thick bulkhead, you should use material of what thickness?
a. 1/4 in. b. 1/2 in. c. 5/8 in. d. 3/4 in. |
b. 1/2 in.
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When working with steel plates, you may find erection aids very useful. Erection aids serve what function(s)?
a. They align the plate only b. The hold the plate only c. They hold and align the plate d. They lift the plate |
c. They hold and align the plate
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In a formed plate, the bend allowance is computed along which of the following lines?
a. The base line b. The mold line c. The brake line c. The neutral line |
not sure of the answer
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in the computation of a bend allowance, what line is formed by extending the outside surfaces of the leg and flange so that they intersect?
a. Mold line b. Bend Tangent c. Radius line d. Brake line |
a. Mold line
See page 13-41 |
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The setback in a 90 degree bend is equal to the sum of which of the following dimensions?
a. The leg and flange dimensions b. The flat dimensions and radius of the bend c. The metal thickness and radius of the bend d. The two flat dimensions |
c. The metal thickness and radius of the bend
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Suppose that the radius of bend is 3/4 inch for a 1/2 inch thick plate. What is the radius of the neutral axis?
a. 3/8 + 1/4 or 5/8 in. b. 3/4 + 1/4 or 1 in. c. 3/8 + 1/2 or 1 1/8 in. d. 3/4 + 1/2 or 1 1/4 in. |
d. 3/4 + 1/2 or 1 1/4 in.
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What factors do you multiply to compute bend allowance?
a. The radius of the bend and angle size in degrees b. The radius of the bend and angle size in radians c. The radius of the neutral axis and angle size in radians d. The radius of the neutral axis and angle size in degrees |
c. The radius of the neutral axis and angle size in radians
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For the purpose of computing bend allowance, what is the number of radians per degree of bend?
a. 0.001074 b. 0.017453 c. 0.500000 d. 0.785000 |
b. 0.017453
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Convert 50 degrees into an approximate number of radians.
a. 0.87 b. 2.54 c. 2.93 d. 15.71 |
not sure of the answer
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Assume that a plate 1/2 inch thick is to be bent at an angle of 60 degrees. What is the approximate bend allowance, using a 1/2 inch radius of bend?
a. 0.500 in. b. 0.785 in. c. 1.040 in. d. 1.250 in. |
not sure of the answer
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Notches or discontinuities in a sheet of plate are NOT caused by which of the following conditions?
a. Arc Strikes b. Burned edges c. Undercuts d. Rounded corners |
d. Rounded corners
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Holes in a ship can be repaired or replaced with a patch. What is the maximum diameter of a hole that can be repaired?
a. 1 in. b. 1 1/2 in. c. 2 1/2 in. d. 3 1/2 in. |
c. 2 1/2 in.
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When weld prepping a hole, why should you taper the sides of a hole to a minimum 20- degree bevel?
a. To prevent Slag entrapment only b. To allow for welding rod manipulation only c. To prevent slag entrapment and allow for welding rod manipulation d. To remove fatigued metal from the weld area |
c. To prevent slag entrapment and allow for welding rod manipulation
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When you back gouge a hole that has been welded up using a brass backing strap, what minimum back gouge depth is required?
a. 1/2 the root layer b. 1/3T c. 3/8 inch d. Either 2 or 3 above, whichever is less |
d. Either 2 or 3 above, whichever is less
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When laying out an access hole in a bulkhead between two frames, what minimum distance should you allow between the frames and the access cut?
a. 1 in. b. 6 in. c. 3 in. d. 4 in. |
b. 6 in.
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When cutting an access hole, if no fabrication document exists, you should cut all corners, except those involving existing butts or seams, to what radius?
a. 6 in. b. 2 in. c. 8 in. d. 4 in. |
a. 6 in.
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When cutting out a previously made access hole, where should you make the cut?
a. In the center of the old weld b. on the toe of the weld on the outboard side c. on the toe of the weld on the inboard side d. one inch from the center of the existing weld |
a. In the center of the old weld
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Before cutting out a watertight door, you should check the door for which of the following conditions?
a. Proper maintenance b. Warped framing c. Warped door d. Each of the above |
d. Each of the above
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Watertight doors are installed using what type of weld joint?
a. Lap b. Butt c. Edge d. Corner |
a. Lap
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