MSSC Maintenance Awareness Exam Questions And Answers. Verified and Updated
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Course
MSSC Maintenance Awareness
Institution
MSSC Maintenance Awareness
MSSC Maintenance Awareness Exam
Questions And Answers. Verified and
Updated
Metals that contain iron, such as steel, have _____________ properties. - answermagnetic
________________ metal is a metal similar in composition to the metal being joined. It
strengthens the weld by filling the gap cr...
MSSC Maintenance Awareness Exam
Questions And Answers. Verified and
Updated
Metals that contain iron, such as steel, have _____________ properties. - answer✔✔magnetic
________________ metal is a metal similar in composition to the metal being joined. It
strengthens the weld by filling the gap created between the two pieces of metal during welding. -
answer✔✔Filler
The gas metal arc welding (GMAW) process uses ______________ to melt metal wire and fuse
it with the base metal being welded. - answer✔✔electricity
Metals that contain iron, such as mild steel, are called ____________ metals. - answer✔✔ferrous
A spot welding system consists of an electrical supply, moveable arm, and a(n)
_______________. - answer✔✔stationary arm
Metals treated by ____________ processes become soft. - answer✔✔Annealing
Oxy-acetylene welding requires no _____________ and is not sensitive to wind or drafts like
Gas Metallic Arc Welding or Gas Tungsten Arc Welding. - answer✔✔electricity
Metals that contain iron, such as steel are called _____________ metals. - answer✔✔ferrous
A green welding hose indicated that this hose carries __________. - answer✔✔Oxygen
Torches are designed to avoid mixing oxygen and acetylene by using ________________. -
answer✔✔Reverse-flow check valves at torch inlets or regulator outlets
An explosion can occur if ___________ comes into contact with oil. - answer✔✔High pressure
oxygen
A Magnaflux test is used to show what flaw in ferrous metal? - answer✔✔Cracks in the surface
When using the ____________ in welding, the electrode should be leaned 15 to 25 degrees in the
direction of travel. - answer✔✔pull technique
the maximum pressure for use of acetylene gas is _______ psi. - answer✔✔15
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
, A red welding hose indicates that this hose carries __________. - answer✔✔Acetylene
A(n) ___________ is a non-destructive test that uses a colored spray to reveal imperfections in a
weld. - answer✔✔dye-penetrant test
To prevent leakage around the valve during use, _____________. - answer✔✔An oxygen
cylinder valve should be opened all the way
What device should be stored a minimum of 20 feet from flammable materials? -
answer✔✔Oxygen Cylinders
Dirt and other foreign material should be cleaned out of an oxygen cylinder before installing a
regulator. By what method should this be done? - answer✔✔The cylinder valve should be
cracked open slightly and then closed completely
The component of an electrical circuit that gives the operator control is the __________. -
answer✔✔input device
Electricity creates the flow of __________ in a conductor. - answer✔✔electrons
Constant voltage power supplies will maintain a constant voltage under varying __________. -
answer✔✔loads
The primary purpose of a switch is to __________. - answer✔✔energize and deenergize circuits
A knife switch consists of a lever and one or more sets of __________. - answer✔✔contacts
Circuit testers determine if __________ electricity is present. - answer✔✔AC
Which of the following is true of an electrical schematic diagram? - answer✔✔All of the above
The type of current that only flows in one direction is __________. - answer✔✔DC
Which of the following is often used to start or stop machine operation? - answer✔✔Pushbutton
switch
Which of the following is an electrical output device? - answer✔✔All of the above (motor, lamp,
resistor)
The contacts of which switch type are open when acted on by the operator? -
answer✔✔Normally closed
Rotary motion is the output of which electrical output device? - answer✔✔Motor
As branches are added to a parallel circuit the resistance __________. - answer✔✔decreases
EXAM STUDY MATERIALS July 24, 2024 1:33:58 PM
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