MSSC Maintenance Awareness FINAL EXAM
PREP 2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. A burn or pungent odor of oil indicates - ANSWER ✔ excessive temperature
2. A Chain should be replaced when its length becomes ______longer than the
original length. - ANSWER ✔ 3 percent
3. A common sign of a misaligned coupling is _____________. - ANSWER ✔
excessive vibration
4. A multimeter is a multipurpose devise that can measure - ANSWER ✔
voltage, current, and resistance
5. A power diagram is used in addition to a ladder diagram to
determine_________. - ANSWER ✔ All of these (How the input functions
on the machine, The sequence of operations, How the output functions on
the machine)
6. A power tool has the ground prong broken off of the plug on the power cord.
What should be done? - ANSWER ✔ Remove the power tool from service
,7. A shaft coupling may be out of round if dial indicator shows
_____________. - ANSWER ✔ any movement
8. A sight glass in a reservoir usually indicates the ______ of fluid. -
ANSWER ✔ level
9. A tool should be sharpened - ANSWER ✔ When an unacceptable surface
finish is present
10.The _______ test will show cracks in the surface of ferrous metal. -
ANSWER ✔ magnaflux
11.The _____________ filter, commonly used on suction or return lines, is
similar in appearance to a pressure line filter but cannot withstand the full
pressure of the hydraulic system. - ANSWER ✔ cartridge type filter
12.To assure proper alignment of motors with mating equipment, the first step
is to - ANSWER ✔ check shaft runout
13.To check sheave wear, - ANSWER ✔ measure each groove angle
14.To convert gauge pressure to absolute pressure___________ - ANSWER ✔
add atmospheric pressure to the gauge pressure
15.To maintain equipment, technicians should _____________. - ANSWER ✔
Perform daily equipment checks
,16.To which standard must preventative maintenance be performed? -
ANSWER ✔ equal to its original or properly altered condition
17.Torches are designed to avoid mixing oxygen and acetylene by using
__________. - ANSWER ✔ Reverse-flow check valves at torch inlets or
regulator outlets
18.To prevent leakage around the valve during use, __________ - ANSWER ✔
An oxygen cylinder valve should be opened all the way
19.An explosion can occur if __________ comes in contact with oil. -
ANSWER ✔ High pressure oxygen
20.A green welding hose normally indicates that this hose carries __________.
- ANSWER ✔ Oxygen
21.A __________ is a non-destructive test that uses a colored spray to reveal
imperfections in a weld. - ANSWER ✔ dye-penetrant test
22.A red welding hose indicates that this hose carries __________. - ANSWER
✔ acetylene
23.When using the __________ in welding, the electrode should be leaned 15
to 25 degrees in the direction of travel. - ANSWER ✔ pull technique
24.__________ 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
, 25.Metals treated by __________ processes become soft. - ANSWER ✔
annealing
26.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
27.A magnaflux test is used to show what flaw in ferrous metal? - ANSWER ✔
Cracks in the surface
28.A spot welding system consists of an electrical supply, moveable arm, and
a(n) __________. - ANSWER ✔ stationary arm
29.What device should be stored a minimum of 20 feet from flammable
materials? - ANSWER ✔ Oxygen Cylinders
30.The gas metal arc welding (GMAW) process uses __________ to melt metal
wire and fuse it with the base metal being welded. - ANSWER ✔ Electricity
31.Circuit testers determine if __________ electricity is present. - ANSWER ✔
AC
32.A knife switch consists of a lever and one or more sets of __________. -
ANSWER ✔ contacts
33.The component of an electrical circuit that gives the operator control is the
__________. - ANSWER ✔ input device
PREP 2026/2027 COMPLETE QUESTIONS WITH
VERIFIED CORRECT ANSWERS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. A burn or pungent odor of oil indicates - ANSWER ✔ excessive temperature
2. A Chain should be replaced when its length becomes ______longer than the
original length. - ANSWER ✔ 3 percent
3. A common sign of a misaligned coupling is _____________. - ANSWER ✔
excessive vibration
4. A multimeter is a multipurpose devise that can measure - ANSWER ✔
voltage, current, and resistance
5. A power diagram is used in addition to a ladder diagram to
determine_________. - ANSWER ✔ All of these (How the input functions
on the machine, The sequence of operations, How the output functions on
the machine)
6. A power tool has the ground prong broken off of the plug on the power cord.
What should be done? - ANSWER ✔ Remove the power tool from service
,7. A shaft coupling may be out of round if dial indicator shows
_____________. - ANSWER ✔ any movement
8. A sight glass in a reservoir usually indicates the ______ of fluid. -
ANSWER ✔ level
9. A tool should be sharpened - ANSWER ✔ When an unacceptable surface
finish is present
10.The _______ test will show cracks in the surface of ferrous metal. -
ANSWER ✔ magnaflux
11.The _____________ filter, commonly used on suction or return lines, is
similar in appearance to a pressure line filter but cannot withstand the full
pressure of the hydraulic system. - ANSWER ✔ cartridge type filter
12.To assure proper alignment of motors with mating equipment, the first step
is to - ANSWER ✔ check shaft runout
13.To check sheave wear, - ANSWER ✔ measure each groove angle
14.To convert gauge pressure to absolute pressure___________ - ANSWER ✔
add atmospheric pressure to the gauge pressure
15.To maintain equipment, technicians should _____________. - ANSWER ✔
Perform daily equipment checks
,16.To which standard must preventative maintenance be performed? -
ANSWER ✔ equal to its original or properly altered condition
17.Torches are designed to avoid mixing oxygen and acetylene by using
__________. - ANSWER ✔ Reverse-flow check valves at torch inlets or
regulator outlets
18.To prevent leakage around the valve during use, __________ - ANSWER ✔
An oxygen cylinder valve should be opened all the way
19.An explosion can occur if __________ comes in contact with oil. -
ANSWER ✔ High pressure oxygen
20.A green welding hose normally indicates that this hose carries __________.
- ANSWER ✔ Oxygen
21.A __________ is a non-destructive test that uses a colored spray to reveal
imperfections in a weld. - ANSWER ✔ dye-penetrant test
22.A red welding hose indicates that this hose carries __________. - ANSWER
✔ acetylene
23.When using the __________ in welding, the electrode should be leaned 15
to 25 degrees in the direction of travel. - ANSWER ✔ pull technique
24.__________ 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
, 25.Metals treated by __________ processes become soft. - ANSWER ✔
annealing
26.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
27.A magnaflux test is used to show what flaw in ferrous metal? - ANSWER ✔
Cracks in the surface
28.A spot welding system consists of an electrical supply, moveable arm, and
a(n) __________. - ANSWER ✔ stationary arm
29.What device should be stored a minimum of 20 feet from flammable
materials? - ANSWER ✔ Oxygen Cylinders
30.The gas metal arc welding (GMAW) process uses __________ to melt metal
wire and fuse it with the base metal being welded. - ANSWER ✔ Electricity
31.Circuit testers determine if __________ electricity is present. - ANSWER ✔
AC
32.A knife switch consists of a lever and one or more sets of __________. -
ANSWER ✔ contacts
33.The component of an electrical circuit that gives the operator control is the
__________. - ANSWER ✔ input device
