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E - 1ST > RED SEAL QUIZZES > Flashcards

RED SEAL QUIZZES Flashcards

EXAM REVIEW

1
Q

Standard drill bits should be ground and sharpened to an included angle of

a) 114 degrees
b) 118 degrees
c) 124 degrees
d) 130 degrees

A

b) 118 degrees

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2
Q

A flexible blade would be best for hack sawing:

a) light wall copper tube
b) mild steel angle iron
c) brass bar stock
d) thick cast iron sections

A

a) light wall copper tube

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3
Q

Which adjustment can be made when a drill press is running?

a) depth stop
b speed setting
c) work adjustment
d) no adjustment can be made

A

d) no adjustment can be made

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4
Q

Guards on bench grinders should cover

a) 1/4 of the wheel
b) 1/3 of the wheel
c) 1/2 of the wheel
d) 2/3 of the wheel

A

d) 2/3 of the wheel

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5
Q

On a grinding wheel the grain size number 600 indicates a:

a) coarse grit
b) medium grit
c) fine grit
d) very fine grit

A

d) very fine grit

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6
Q

The normal included angle ground on a cold chisel for cutting mild steel is

a) 80 degrees
b) 70 degrees
c) 60 degrees
d) 50 degrees

A

c) 60 degrees

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7
Q

What should be checked before using a power brake?

a) ensure the correct tonnage is selected
b) ensure the correct ram and die are in place
c) ensure that the correct blade clearance is selected
d) all of the above

A

b) ensure the correct ram and die are in place

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8
Q

What can be done if a grinding wheel is out-of-round?

a) discard it
b) dress it
c) true it
d) calibrate it

A

c) true it

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9
Q

Which file is recommended for producing a fine finish?

a) single cut
b) fine cut
c) double cut
d) rasp file

A

a) single cut

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10
Q

What tool(s) would you use to scribe very large circles or arcs?

a) scribes
b) dividers
c) trammel points
d) all of the above

A

c) trammel points

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11
Q

What is required when using a magnetic base drill?

a) a safety chain at all times
b) a safety chain in any position but flat
c) the drill base must be clamped to the work
d) you must use a flex steel electric cord

A

b) a safety chain in any position but flat

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12
Q

The power sources they can be used for SAW are:
A) AC only; constant current or constant voltage
B) DC only; constant current or constant voltage
C) AC or DC; constant current or constant voltage
D) DC only; constant voltage only

A

C. AC or DC; constant current or constant voltage.

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13
Q 
On GMAW groove welds, your tacks
 are meant to be a maximum length of:
A) 3.2 mm or 1/8 of an inch
B) 6.4 mm or 1/4 of an inch
C) 10 mm or 3/8 of an inch
D) 11 mm or 7/16 of an inch
A

C. 10 mm or 3/8 of an inch.

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14
Q 
Active fluxes for SAW are used to add what to the weld metal?
A) agglomerates
B) metallic silicate
C) alloying elements
D) higher deposition
A

C. Alloying elements.

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15
Q 
Give the voltage range used for short-circuit metal transfer:
A) 14 to 20 V
B) 20 to 28 V
C) 28 to 44 V
D) over 44 V
A

A. 14 to 20 V.

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16
Q 
SAW can be used on:
A) mild steel
B) stainless steel
C) nickel alloys
D) all of the above
A

D. All of the above.

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17
Q 
The main advantage of using FCAW over GMAW is:
A) lower initial and operating costs
B) easier to weld out of position
C) higher deposition rate
D) more efficient electrode use
A

C. Higher deposition rate.

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18
Q 
A good starting point for electrode extension for SAW is:
A) six times the electrode diameter
B) eight times the electrode diameter
C) most extension possible
D) least extension possible
A

B. Eight times the electrode diameter.

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19
Q

Quenching of a fabricated part is done only if:
A) the procedure calls for it
B) it gets too hot for welding
C) needed to control distortion
D) hard metal is required to control abrasion

A

A. Only if the procedure calls for it.

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20
Q 
In the CSA W48.6 flux and wire classification numbering system at 492-EH12 what does the 12 stand for?
A) 12% carbon content of the wire
B) 1.2% carbon content of the wire
C) 0.12% carbon content of the wire
D) 0.012% carbon content of the wire
A

C. 0.12% carbon content of the wire.

21
Q 
What is the recommended wire electrode angle for fillet welds?
A) 1/4 of the included joint angle
B) 1/2 of the included joint angle
C) 3/4 of the included joint angle
D) the same as the included joint angle
A

B. 1/2 of the included joint angle.

22
Q 
How is shielding obtained in SAW?
A) granular fusible flux
B) flux coating
C) shielding gases
D) vacuum chamber
A

A. Granular fusible flux.

23
Q 
The 3G GMAW project is done: 
A) three passes uphand
B) three passes downhand
C) root uphand; fill and cap downhand
D) root downhand; fill and cap uphand
A

D. Root downhand, fill and cap uphand.

24
Q

One disadvantage of these submerged arc welding process is that it:
A) is limited to the thickness that can be welded
B) requires a costly shielding gas
C ) is limited to the flat and horizontal positions
D) can only be done underwater

A

C. Is limited to the flat and horizontal positions.

25
Q 
On a constant potential welding machine, using 1.2 mm (0.045")  FCAW wire diameter; welding in the vertical position, your setting would be:
A) 17 to 21 A
B) 21 to 26 A
C) 16 to 19 V
D) 22 to 26 V
A

D. 22 to 26 V.

26
Q 
SAW power sources should be a 100% duty cycle because SAW is a:
A) high amperage process
B) low voltage process
C) intermittent process
D) low current process
A

A. High amperage process.

27
Q 
Increasing the output voltage in SAW produces:
A) a wider, flatter bead
B) significant arc blow
C) a narrower, flatter bead
D) a ropy, narrow bead
A

A. A wider, flatter bead.

28
Q 
What does the F stand for in the CSA W-48.6 flux and wire classification number system F492–EH 12?
A) flux
B) full penetration
C) electrode type
D) electrode with flux
A

A. Flux.

29
Q

True or false:

The first pass in a 1GF and a 3GD should be placed against the plate with the bevel and backing strip?

A

False.

30
Q 
The appropriate depth of flux is reached in SAW when:
A) you can see the arc through the flux
B) when porosity is a problem
C) when the fumes become a problem
D) the arc is submerged with no flashing
A

D. The arc is submerged with no flashing.

31
Q

Why would you want to use more than one welding process on a well joined that required more than one pass application?
A) to use more than one welder
B ) to save on wire use
C) to utilize shop equipment more effectively
D) to maximize joint economy

A

D. To maximize joint economy.

32
Q

With the SAW, amperage controls:
A) arc length and penetration
B ) penetration and electrode burn off rate
C) arc length and electrodes burn off rates
D) the width of the bead only

A

B. Penetration and electrode burn off rate.

33
Q 
What is the most common nondestructive test used on surface welds?
A) visual
B) dye penetrant
C) magnetic particle
D) radiography or x-ray
A

A. Visual.

34
Q

SAW flux and wire combination

F70-EM 12 K, the M indicates that the wire:

A

Has a medium manganese content.

35
Q 
Which of the following is not an essential component in an SAW system?
A) travel carriage
B) power source
C) hydraulic motor
D) welding head assembly
A

C. hydraulic motor.

36
Q

What FCAW transfer mode is used for a 3F weld?

A

Globular.

37
Q 
What is the minimum tensile strength for the AWS SAW A5.17 classification 
 F7A0–EL 12?
A) 70 psi
B) 7000 psi
C) 70,000 psi
D) 120,000 psi
A

C. 70,000 psi.

38
Q 
The flowmeter setting will be \_\_\_\_\_\_\_\_\_\_\_\_ with FCAW as compared to GMAW, when using CO2 for shielding:
A) increased
B) decreased
C) the same
D) does not matter
A

A. Increased.

39
Q 
With SAW, what can become a concern when multiple wires are fed into the weld zone the own using direct-current?
A) unstable arc
B) arc blow
C) porosity
D) lack of fusion
A

B. Arc blow.

40
Q

What is the maximum number of passes that may be used to do a 2G weld using GMAW for the NAIT modular projects?

A

Seven passes.

41
Q

Which type of flux can be reused?

A

Fused.

42
Q

If more than one wire is used at the same time in SAW to weld the same joint, can AC and DC current speed used to well the joint at the same time?

A

Yes.

43
Q 
FCAW uses two variations in its principles of operation. What are they?
A) globular and spray
B) buried arc and spray
C) short circuit and globular
D) self shielded and gas shielded
A

D. Self shielded and gas shielded.

44
Q 
One disadvantage of FCAW over SMAW is:
A) equipment is expensive
B) equipment requires more maintenance
C) thin metal can't be welded
D) an operator can learn to use FCAW more quickly
A

B. Equipment requires more maintenance.

45
Q

Which is the normal stick out or wire extension of the electrode when using FCAW self shield?

A

19 to 95 mm or 3/4 to 3 3/4 inch.

46
Q

What type of bead is produced when using gas shielded FCAW?

A

A narrow and deep penetrating bead.

47
Q

One of the functions of flux in gas shielded SCHW wire is to:

A

Provide deoxidizer’s and scavengers to remove impurities.

48
Q

Gas flow rates for FCAW generally are:
A) 4 to 7 L per minute or 10 to 15 ft.³ per hour
B) 7 to 23 L per minute or 15 to 50 ft.³ per hour
C) 11.5 to 18.8 L per minute or 25 to 40 ft.³ per hour
D) 14 to 23 L per minute or 30 to 50 ft.³ per hour

A

D. 14 to 23 L per minute or 30 to 50 ft.³ per hour.

49
Q 
Which wire utilizes the use of metal powder?
A) rutile wire
B) basic wires
C) metal core wires
D) powder core wires
A

C. Metal core wires.

E - 1ST (11 decks)

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