NEW
Font size
WorksheetsAEMT Final Exam Fall review
Total questions: 75
Worksheet time: 38mins
Why should a technician be aware of local agricultural production?
To understand equipment maintenance needs specific to local crops
To set competitive pricing for services
To determine work schedules
To comply with federal regulation
What is the primary purpose of a logbook for technicians?
To track employee hours
To record work performed and maintain organization
To calculate equipment depreciation
To monitor fuel consumption
How is a dial indicator different from a dial caliper?
Dial indicators measure internal dimensions, calipers measure external
Dial indicators detect small movements/variations, calipers measure actual dimensions
Dial indicators are digital, calipers are analog
There is no difference between the tools
What is the reduction ratio in a drive system with a 24-tooth drive gear and 48-tooth driven gear?
1:2
2:1
1:1
3:1
How is power typically transferred from a tractor to an implement?
Hydraulic lines only
Power Take-Off (PTO) shaft
Electrical cables
Belt drives only
Which factor does NOT affect gear wear and damage?
Lubrication quality
Operating temperature
Load conditions
Paint color
Which is a characteristic of a friction bearing?
Has rollers that rotate around a journal
Composed of ferrous metal to prevent scarring
Does not move while the rotating part moves against it
Requires no lubrication
Why do technicians calibrate precision agriculture equipment?
To meet warranty requirements
To reduce input costs and prevent skips/overlaps
To increase equipment speed
To comply with insurance policies
How do GPS receivers determine location?
By receiving signals from cell towers
By calculating distances from multiple satellites
By using magnetic field readings
By measuring ground elevation
What causes poor GPS satellite signals?
Atmospheric conditions, obstructions, and satellite geometry
Equipment age only
Operator error only
Low fuel levels
What is DGPS correction?
A method to increase satellite power
Comparing field GPS data to data from a known reference point
Adjusting equipment speed automatically
Correcting steering mechanisms
What does DOP measure in GPS systems?
Equipment operating pressure
Satellite signal quality for position determination
Data processing speed
Ground elevation changes
What is a variable rate application in precision agriculture?
Changing equipment speed during operation
Applying different amounts of inputs based on field conditions
Varying the number of operators per machine
Adjusting fuel consumption rates
Which is an example of a polygon feature on a GIS map?
Soil sample point
Field boundary
GPS track line
Individual plant location
What type of data structure is commonly used in GIS to represent geographic features?
Raster
Vector
Bitmap
Database
How does precision agriculture equipment increase producer profits?
By reducing labor costs only
By optimizing input use and improving efficiency
By increasing equipment speed
By eliminating the need for crop monitoring
What is baud rate in precision agriculture systems?
Equipment operating speed
Rate of data processing measured in bits per second
GPS satellite frequency
Fuel consumption rate
Which motion type is NOT typically found in equipment drivetrains?
Rotational
Linear
Oscillating
Magnetic
How do gears affect equipment operation?
They only change speed
They affect direction, speed, and torque
They only provide power
They reduce friction only
What prevents equipment damage when using high torque?
Clutches and slip mechanisms
Increased engine power
Higher operating speeds
Additional operators
How is friction reduced in machinery?
Using rough surfaces
Proper lubrication and bearing systems
Increasing operating temperature
Adding more moving parts
What information should be recorded in a technician's logbook?
Personal schedules only
Work performed, parts used, and time spent
Weather conditions only
Equipment serial numbers only
How are bolts typically classified?
By color and material only
By thread pitch, diameter, and length
By manufacturer only
By installation tool required
Why do technicians use micrometers for diagnostics?
They are the cheapest measuring tool
They provide precise measurements for detecting wear
They work faster than other tools
They don't require calibration
How does local agricultural production knowledge benefit technicians?
It helps them understand specific equipment maintenance needs
It allows them to set higher service prices
It reduces training requirements
It eliminates warranty concerns
What effect do gears have on equipment operation?
They only change speed
They only change direction
They affect direction, speed, and torque
They have no mechanical advantage
How do clutches benefit equipment operators?
They increase fuel efficiency
They allow quick engagement and disengagement of high-powered equipment
They reduce maintenance costs
They improve steering control
What is the relationship between equipment calibration and input costs?
Calibration increases input costs
Calibration has no effect on input costs
Calibration reduces input costs by preventing waste
Calibration only affects labor costs
How many satellite signals does GPS require for accurate positioning?
At least two satellites
At least three satellites
At least four satellites
At least five satellites
Which factors can affect GPS signal quality?
Atmospheric conditions only
Physical obstructions only
Satellite geometry only
Atmospheric conditions, obstructions, and satellite geometry
How do variable rate application systems operate?
They apply the same amount of input across entire fields
They apply different amounts of inputs based on field conditions
They only work during planting operations
They require manual adjustment for each application
What does PLC stand for in precision agriculture systems?
Precision Location Controller
Programmable Logic Controller
Primary Location Computer
Precision Logic Computer
How do skips and overlaps in field operations affect costs?
They reduce input costs
They have no effect on costs
They increase input costs
They only affect labor costs
What setup requirements do GPS guidance systems have?
They require no setup by operators
They require minimal setup
They require operator setup and configuration
They only require annual calibration
Directions: Mark T for True or F for False. 36. Dial indicators and dial calipers serve the same function.
True
False
A logbook helps keep technicians organized by tracking work history.
True
False
Friction bearings have rollers that rotate around a journal.
True
False
PDOP indicates 3D satellite signal quality.
True
False
GIS features and attributes are the same thing.
True
False
Precision agriculture systems collect data only during planting.
True
False
Directions: Mark T for True or F for False. 42. Sensors are optional components in precision agriculture systems.
True
False
GPS guidance systems require no setup by operators.
True
False
Yield calculation requires only GPS location data.
True
False
Poor satellite geometry can cause GPS signal problems.
True
False
List 2 tools used for precision measurements and describe the application of each.
Micrometer and Vernier Caliper are used for precision measurements; Micrometer measures small dimensions like wire thickness, Vernier Caliper measures internal and external dimensions.
Ruler and Protractor are used for precision measurements; Ruler measures length, Protractor measures angles.
Thermometer and Barometer are used for precision measurements; Thermometer measures temperature, Barometer measures pressure.
Spring balance and Stopwatch are used for precision measurements; Spring balance measures force, Stopwatch measures time.
Rank the following gear assemblies from highest to lowest torque (1 = highest torque). Which assembly has the highest torque?
Assembly A
Assembly B
Assembly C
Assembly D
Which of the following are factors that affect the quality of GPS satellite signals and impact system performance?
Atmospheric conditions, signal multipath, satellite geometry
Battery life, screen brightness, device color
Internet speed, Bluetooth connectivity, app version
Processor speed, RAM size, storage capacity
Select three precision agriculture components commonly found on a combine harvester and their contributions to data collection or system operation.
Yield monitor, GPS receiver, moisture sensor: They collect yield data, provide location information, and measure crop moisture for optimal harvesting.
Hydraulic pump, air filter, radiator: They regulate fluid flow, filter air, and cool the engine, but do not contribute to precision agriculture data collection.
Steering wheel, seat, headlights: They assist with driving and visibility, but do not collect or process agricultural data.
Fuel tank, exhaust pipe, tires: They store fuel, expel gases, and support movement, but are not involved in precision agriculture data collection.
Select four examples of GIS data a producer would need to create a variable rate prescription map for fertilizer application.
Soil nutrient levels, yield maps, elevation data, and soil type maps
Weather forecasts, crop prices, machinery manuals, and irrigation schedules
Farmworker schedules, pesticide labels, market demand reports, and fuel consumption logs
Seed catalogues, farm history records, local wildlife surveys, and tractor maintenance logs
True or False: Precision agriculture and site-specific management are the same concept.
True
False
Data for precision agriculture is collected only at the beginning of the growing season.
True
False
True or False: Sensors are optional components in precision agriculture systems.
True
False
Precision agriculture tools do not require setup and configuration.
True
False
Precision agriculture only requires one type of data, such as moisture.
True
False
Precision agriculture can improve efficiency and reduce waste.
True
False
Name one precision measurement tool used for measuring bearing clearances, shaft diameters, and wear measurements.
Micrometer
Vernier Caliper
Feeler Gauge
Torque Wrench
Name one precision measurement tool used for measuring bolt diameters, pipe thickness, and general dimensional checks.
Dial Caliper
Hammer
Screwdriver
Pliers
Name one precision measurement tool used for measuring small gaps and clearances, such as valve adjustments and spark plug gaps.
Feeler Gauges
Vernier Caliper
Micrometer
Torque Wrench
Which gear assembly has the highest torque?
Assembly A
Assembly B
Assembly C
Which gear assembly has the lowest torque?
Assembly A
Assembly B
Assembly C
Name one factor that can affect GPS signal quality due to ionospheric and tropospheric delays.
Atmospheric conditions
Battery level of GPS device
Type of map used
Screen brightness
Name one factor that can affect GPS signal quality due to buildings, trees, and terrain blocking or reflecting signals.
Physical obstructions
Weather forecasts
Battery type
Screen brightness
Name one factor that can affect GPS signal quality due to poor satellite positioning relative to receiver.
Satellite geometry (DOP)
Atmospheric pressure
Battery level of receiver
Type of map used
Name the precision agriculture component on combines that measures grain flow and moisture content to calculate real-time yield data.
Yield Monitor
Moisture Sensor
GPS Receiver
Header Height Control
Name the precision agriculture component on combines that provides precise location data to map yield variations across the field.
GPS Receiver
Moisture Sensor
Yield Monitor
Hydraulic Pump
Name the precision agriculture component on combines that measures grain moisture content for quality assessment and proper storage decisions.
Grain Moisture Sensor
Yield Monitor
GPS Receiver
Variable Rate Controller
Which GIS data example for fertilizer prescription maps provides nutrient levels (N-P-K) and pH values to determine fertilizer needs?
Soil test results
Yield history maps
Soil type/texture maps
Topographic data
Which GIS data example for fertilizer prescription maps uses previous crop performance to identify high and low producing areas?
Soil test results
Yield history maps
Soil type/texture maps
Topographic data
Which GIS data example for fertilizer prescription maps shows that different soil types require different fertilizer rates and timing?
Soil test results
Yield history maps
Soil type/texture maps
Topographic data
Which GIS data example for fertilizer prescription maps shows that elevation and slope affect nutrient movement and application rates?
Soil test results
Yield history maps
Soil type/texture maps
Topographic data
According to the grading scale, what grade corresponds to 90-100 points?
A
B
C
D
F
According to the grading scale, what grade corresponds to 80-89 points?
A
B
C
D
F
According to the grading scale, what grade corresponds to 70-79 points?
A
B
C
D
F
According to the grading scale, what grade corresponds to 60-69 points?
A
B
C
D
F
According to the grading scale, what grade corresponds to below 60 points?
A
B
C
D
F
