Title: Fertilizer and Chemical application
Course: MASTER-AGRI-1172-HB-2017-Malone > Section: Application

This quiz consists of 13 questions and will count for 20 points.  You will have 30 minutes to complete the quiz.

Q: Why would you want to apply fertilizer with an air system verses a dry fertilizer spinner spreader?
- It is more efficient
- You can apply in more adverse wind conditions
- You want to strip till your fertilizer
- All of the above
- None of the above
A: All of the above
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: What is the best way to apply multiple dry fertilizer products at the same time?
- Multiple passes over the field
- Multiple bins on the air machine or spreader
- Mixing the fertilizer together
- Variable rate application
- With a PWM valve
A: Multiple bins on the air machine or spreader
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Which component is unique to a NH3 control system?
- Control valve
- Flow Meter
- NH3 Cooler
- Pump
- Screen
A: NH3 Cooler
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Why would someone have a pump for NH3?
- You wouldn't ever want or need a pump
- You want to waist some money
- To enable you to run larger bars in cold conditions
- To give you better rate control
- To improve the efficiency of your cooler
A: To enable you to run larger bars in cold conditions
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: What is the control system that is used by most of the commercial sprayers?
- In-Line servo
- By-Pass servo
- Flow Meter style
- Super cooler
- PWM controlled pump
A: PWM controlled pump
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: Which of these are control components of a sprayer system?
- Encoder
- Control valve
- hydraulic motor
- Flow Meter
- Electric ball valves
A: Control valve; Flow Meter; Electric ball valves
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: What is an example of an auxiliary sensor you might find on a dry fertilizer machine?
- Bin Level
- Spreader RPM
- Blockage
- Fan speed
- All of the above
A: All of the above
If right: Your answer is correct.
If wrong: Your answer is incorrect.

Q: You calibrate a dry fertilizer machine by comparing what it estimates it is running out to what it is actually running and comparing the two.
- True
- False
A: True

Q: There is no calibration for a dry fertilizer system.
- True
- False
A: False

Q: An encoder is something that is mounted on the shaft of the apron that delivers dry fertilizer and gives the system feedback to control application.
- True
- False
A: True

Q: You do not need a pump to apply NH3 fertilizer.
- True
- False
A: True

Q: A PWM control system changes rate by varying the speed of the pump.
- True
- False
A: True

Q: A by-pass servo valve set in-line with the solution line to control rate.
- True
- False
A: False