WorksheetsMechatronics Course 1 Final Exam
Total questions: 53
Worksheet time: 27mins
What is the most important rule when working in any mechatronics laboratory?
Finish assignments quickly
Keep tools in lockers
Follow all safety procedures
Wear gloves at all times
Safety glasses protect your eyes from:
Loud noises
Electrical shock
Flying debris
UV radiation only
Which fire extinguisher type is used for electrical fires?
Class A
Class B
Class C
Class K
Lockout/Tagout (LOTO) procedures are used to:
Organize tools
Prevent accidental machine startup
Improve job scheduling
Change lightbulbs
A Material Safety Data Sheet (MSDS/SDS) provides information about:
Employment rules
Machine setup times
Chemical hazards
Tool pricing
What color typically represents danger on machinery labels?
Green
Yellow
Blue
Red
The purpose of a GFCI outlet is to:
Provide backup power
Prevent overloads
Reduce shock risk in wet areas
Increase voltage
The correct lifting technique uses:
Your back
Your legs
A twisting motion
Bent spine
Which PPE is required when soldering?
Hard hat
Welding jacket
Safety glasses and heat-resistant gloves
Respirator only
OSHA stands for:
Occupational Safety & Hazard Association
Office of School Hazard Assessment
Occupational Safety & Health Administration
Operational Standards & Health Agency
A multimeter set to the Ω symbol measures:
Voltage
Current
Power
Resistance
Which tool is used to measure small dimensions with high precision?
Tape measure
Calipers
Protractor
Square
Torque is measured in:
Newton-meters
Ohms
Pascals
Joules
The metric prefix "kilo-" means:
10
100
1,000
10,000
A properly zeroed caliper reads 14.32 mm. What does this represent?
Mass
Length
Temperature
Current
Which tool is best for removing insulation from wires?
Slip-joint pliers
Lineman pliers
Wire strippers
Channel locks
Which unit measures electrical current?
Volts
Ohms
Amperes
Watts
The purpose of a torque wrench is to:
Tighten bolts to a specific value
Remove bolts
Measure voltage
Lock machinery
Ohm's Law is written as:
P = IV
V = IR
R = PI
I = PR
Power in an electrical circuit is measured in:
Volts
Watts
Amps
Ohms
A circuit with only one path for current is called:
Parallel
Series
Multi-loop
Closed-only
A 9 V battery and a 3 Ω resistor are connected in series. Current = ?
1 A
2 A
3 A
0.33 A
The longer lead of an LED is the:
Anode (+)
Cathode (−)
Ground
Return
A resistor with color bands red-violet-brown-gold has a value of:
27 Ω
270 Ω
2.7 kΩ
2.7 Ω
Which device stores electric charge?
Inductor
Transformer
Capacitor
Diode
DC stands for:
Dual Current
Direct Current
Delayed Current
Distributed Charge
A fuse protects a circuit by:
Increasing voltage
Shutting off when current is too high
Storing energy
Stabilizing frequency
When resistance increases, current:
Increases
Decreases
Stays the same
Drops to zero
A digital signal has:
Infinite values
Noise only
Only two states (0/1)
No voltage
What component controls current flow in only one direction?
Diode
Capacitor
Resistor
Relay
Which simple machine is used in a gear system?
Wedge
Pulley
Inclined plane
Wheel and axle
Gears with parallel shafts use:
Bevel gears
Worm gears
Spur gears
Rack and pinion
Mechanical advantage is the ratio of:
Output force to input force
Input force to output force
RPM to torque
Voltage to current
Belt drives are used instead of gear drives when:
Quiet operation is needed
Very high precision is required
No slip is allowed
Speed cannot change
A bearing's purpose is to:
Decrease friction
Increase friction
Increase voltage
Stop rotation
Pneumatics use:
Pressurized liquids
Pressurized gases
Magnetism
Electrons
Hydraulics are preferred over pneumatics when high force is required.
Low force
High force
Ultra-fast speed
Low noise
The unit for pressure is:
Newton
Watt
Pascal
Ampere
A rack and pinion converts:
Rotary to linear motion
Linear to rotary motion
Either A or B
No motion at all
What causes cavitation in hydraulic pumps?
High voltage
Low oil temperature
Formation of vapor bubbles
Excess lubrication
A robot end effector is:
The robot’s power supply
The tool attached to the robot’s arm
The robot’s controller
A motor driver
PLC stands for:
Programmable Logic Controller
Power Load Converter
Programmable Load Cell
Parallel Latching Circuit
A limit switch is used to:
Increase voltage
Detect physical position
Control fluid pressure
Display current
Servo motors allow:
Full-speed only
Speed control but no position control
Precise position control
Only hydraulic motion
The brain of a PLC system is the:
Output module
CPU
Sensor
Power supply
A robotic system uses sensors to:
Create heat
Provide feedback
Reduce data
Increase voltage
Ladder logic is named after:
The person who created it
Its resemblance to a ladder
Its use in climbing robots
The order of operations
An HMI allows operators to:
Control and monitor processes
Physically lift tools
Store electrical energy
Replace PLC memory
A motor driver controls a motor by regulating:
Voltage and current
Belt tension
Hydraulic pressure
Gear ratio
A robot with 6 degrees of freedom can move in:
Only 1 axis
Only 2 axes
Six independent axes
Unlimited axes
Which is not the unit of energy
Joule
Calorie
Watt
Watt per sec
Frequency and single phase voltage is US is
Give the name and type of this instrument.
The instrument is a pressure gauge, and its type is a mechanical instrument.
The instrument is a pressure gauge, and its type is a integrating instrument.
The instrument is a speedometer, and its type is a integrating instrument.
The instrument is a speedometer, and its type is a mechanical instrument.
