Fire classes tell:
A. Size of fire
B. Type of fire
C. Color of fire
D. Temperature
B. Type of fire
Viscosity refers to:
A. Oil thickness
B. Engine speed
C. Fuel smell
D. Heat level
A. Oil thickness
Which of the following is not a basic element for an engine to run?
Fuel
Clean air
Compression
Air temperature
Air temperature
________ is the percentage of a 10 minute period that a welder can operate at a given current setting.
Running time
Welding time
Duty cycle
Cycle time
Duty cycle
What is the first step in the job search process?
locating information or sources for job opportunities
completing an application
interviewing
preparing a cover letter
locating information or sources for job opportunities
The fire triangle consists of all the following components except _________.
A. carbon dioxide
B. fuel
C. heat
D. oxygen
A. carbon dioxide
A hazard is:
A. A safety tool
B. Something that can cause harm
C. A repair part
D. A warning label
B. Something that can cause harm
The spark plug is used in:
A. Diesel engines
B. Gas engines
C. Hydraulic systems
D. Electric motors
B. Gas engines
The arc is covered by a layer of shielding gas which acts as the ________ and keeps the nitrogen and oxygen in the air from coming in contact with the molten puddle.
flux
current
filter
sieve
flux
What should a candidate do prior to applying for a job?
move to the community
familiarize themselves with the employer and the type of business
quit their current position
take a long vacation
familiarize themselves with the employer and the type of business
PPE stands for:
A. Power Protection Equipment
B. Personal Protective Equipment
C. Proper Power Engines
D. Protective Plant Equipment
B. Personal Protective Equipment
What does “current” mean in an electrical system?
A. The pressure that pushes electricity
B. The flow of electricity
C. The resistance to electricity
D. The amount of power used
E. The thickness of a wire
B. The flow of electricity
Which of the following sequences for a 4-stroke engine is correct?
Compression, power, exhaust, intake
Exhaust, power, intake, compression
Intake, compression, power, exhaust
Power, exhaust, intake, compression
Intake, compression, power, exhaust
Select the correct shaded lens for the electrode size being used. Shades _______ are recommended.
8 and 10
10 and 12
12 and 14
14 and 16
10 and 12
A student notices a welding lead with exposed wiring near a puddle of water. What is the BEST action to take?
A. Avoid the area and continue working
B. Tell another student and keep welding
C. Shut down the equipment and report it immediately
D. Wrap it with tape and finish the job
C. Shut down the equipment and report it immediately
Which color usually means danger?
A. Green
B. Yellow
C. Red
D. Blue
C. RED
What is Variable Rate Technology used for in agriculture?
A. Applying the same amount of seed or fertilizer across a field
B. Changing the amount of inputs applied based on field conditions
C. Steering tractors automatically
D. Measuring crop height only
E. Creating field maps
B. Changing the amount of inputs applied based on field conditions
The ________ is the most valuable source of information available to the mechanic for maintaining equipment.
service staff
engine's owner
district sales representative
operator's manual
operator's manual
Which welding process uses a continuously fed electrode and shielding gas?
A. SMAW (Stick)
B. GMAW (MIG)
C. FCAW
D. OAW
B. GMAW (MIG)
When working in a team, what is the BEST way to prevent mistakes?
A. Work silently
B. Assume everyone knows their job
C. Ask questions and confirm tasks
D. Let the leader do everything
C. Ask questions and confirm tasks
2. A power panel begins smoking and catches fire while still connected to electricity. Which fire class is this?
A. Class A
B. Class B
C. Class C
D. Class D
E. Class K
C. Class C
What does Pascal’s Principle explain?
A. Electricity flows faster in thick wires
B. Pressure applied to a fluid is transmitted equally in all directions
C. Air weighs more than water
D. Heat rises inside an engine
E. Friction increases with speed
B. Pressure applied to a fluid is transmitted equally in all directions
In pneumatic systems ________ is used as its power source.
water
air
sun
oil
air
________ is the most often used gas in MIG welding because it gives good bead penetration, wide beads, no undercutting and costs much less than other gases.
Helium
Carbon dioxide
Argon
Nitrogen
Carbon dioxide
Which action shows initiative?
A. Waiting for instructions every time
B. Complaining about work
C. Offering help when tasks are finished
D. Leaving when your job is done
C. Offering help when tasks are finished