PROCESSES AND EQUIPMENT | ALL QUESTIONS AND
CORRECT ANSWERS | VERIFIED ANSWERS | JUST
RELEASED
Which of the following is a CSA flux-cored wire classification? (Multiple choice)
Question 35 options:
A) E4310.
B) B-G 49A 3 C1 S6.
C) E4918-1-H8.
D) E491T-6M-H8. ---------CORRECT ANSWER-----------------D) E491T-6M-H8.
Carbon steel low-hydrogen electrodes in hermetically-sealed containers can be
used: (Multiple choice)
Question options:
A) After rebaking.
B) Immediately up to a period of 4 hours.
C) Immediately up to a period of 2 hours.
D) Immediately up to a period of 5 hours. ---------CORRECT ANSWER-----------------
B) Immediately up to a period of 4 hours.
What temperature should electrode holding ovens be held at? (Multiple choice)
Question 1 options:
,A) 115 degrees Celcius.
B) 120 degrees Celcius.
C) 250 degrees Celcius.
D) 100 degrees Celcius. ---------CORRECT ANSWER-----------------B) 120 degrees
Celcius.
Which of the following does the welder manipulate when using the SMAW
processes? (Multiple choice)
Question 2 options:
A) The temperature of the arc, the gas mixture, and the size of flux granules.
B) The current setting, the speed of travel, the arc length, and the electrode
angle.
C) The current setting, the temperature of the arc, the arc length, and the
electrode angle
D) The voltage setting, the speed of travel, the arc length, and the electrode
angle. ---------CORRECT ANSWER-----------------B) The current setting, the speed of
travel, the arc length, and the electrode angle.
Constant voltage power sources are preferred for SMAW. (True/False) ---------
CORRECT ANSWER-----------------false
constant current power sources are preferred for SMAW
,What is the recommended cable size for SMAW with equipment running at 400
amperes with a cable length of 20 metres? (Multiple choice)
Question 4 options:
A) #1/0
B) #2/0
C) #3/0
D) #4/0 ---------CORRECT ANSWER-----------------B) #2/0
The primary control on a SMAW power source is: (Multiple choice)
Question 5 options:
A) Current.
B) Voltage.
C) Wire feed speed.
D) AC balance. ---------CORRECT ANSWER-----------------A) Current.
The drawback of MCAW when used in production is its: (Multiple choice)
Question 9 options:
A) high heat input.
B) higher associated costs.
C) difficult post-weld cleanup.
D) low deposition rates. ---------CORRECT ANSWER-----------------A) high heat input.
, The GMAW process uses __________ to shield the molten weld metal from the
atmosphere. (Multiple choice)
Question 1 options:
A) a slag system.
B) a blanket of flux.
C) a vacuum chamber.
D) an external shielding gas. ---------CORRECT ANSWER-----------------D) an external
shielding gas.
The GMAW process generally uses: (Multiple choice)
Question 2 options:
A) a constant current power source with a constant speed wire feeder.
B) a constant current power source with a variable speed wire feeder.
C) a constant voltage power source with a constant speed wire feeder.
D) a constant voltage power source with a variable speed wire feeder. ---------
CORRECT ANSWER-----------------C) a constant voltage power source with a
constant speed wire feeder.
Some advantages of using robotic GMAW include: (Multiple choice)
Question 3 options:
A) High cost, high productivity, deep penetration, and works well on all material
thickness ranges.
B) High productivity, comparatively easy to feed the wire, and works for sheet
metal and thicker materials.