TAMU ATMS 25' Flashcards by Justin Wood

The first step before operating a boom sprayer in a field is to _____

Check and calibrate the sprayer system

How well did you know this?

Not at all

Perfectly

The primary purpose of a boom sprayer is to _____

Apply liquid chemicals evenly across a field

How well did you know this?

Not at all

Perfectly

Before calibrating a boom sprayer, it is important to check _____

All of the above

How well did you know this?

Not at all

Perfectly

The recommended practice when transporting a boom sprayer on a public road is to _____

Use all required warning devices, including SMV emblems and lights

How well did you know this?

Not at all

Perfectly

The primary function of the pressure regulator in a boom sprayer is _____

Control the flow and pressure of the spray solution

How well did you know this?

Not at all

Perfectly

A flow meter on a boom sprayer measures _____

The rate at which the liquid is being applied

How well did you know this?

Not at all

Perfectly

Of the following factors, _____ affects nozzle performance in a boom sprayer.

All of the above

How well did you know this?

Not at all

Perfectly

When operating a boom sprayer, minimize spray drift by _____

Using the correct nozzle size and lowering boom height

How well did you know this?

Not at all

Perfectly

Before adjusting a boom sprayer’s application rate, check _____

All of the above

How well did you know this?

Not at all

Perfectly

Preventive maintenance on a boom sprayer should include _____

All of the above

How well did you know this?

Not at all

Perfectly

Nozzle selection is important when applying chemicals with a boom sprayer because _____

It determines droplet size and spray pattern

How well did you know this?

Not at all

Perfectly

A hydraulic boom sprayer system is primarily powered by _____

Hydraulic pump driven by the tractor

How well did you know this?

Not at all

Perfectly

If a nozzle on a boom sprayer becomes clogged, the correct action is to _____

Remove and clean the nozzle according to the manufacturer’s instructions

How well did you know this?

Not at all

Perfectly

Overlapping spray patterns in a boom sprayer setup can result in _____

Over-application and potential crop damage

How well did you know this?

Not at all

Perfectly

To determine gallons per acre (GPA) when calibrating a boom sprayer, consider _____

All of the above

How well did you know this?

Not at all

Perfectly

After completing a chemical application with a boom sprayer, _____

Flush the system with clean water

How well did you know this?

Not at all

Perfectly

The three main factors influencing application rate in a boom sprayer are _____

Travel speed, nozzle size, and pressure

How well did you know this?

Not at all

Perfectly

A pressure gauge on a boom sprayer is used to _____

Measure the pressure in the system to ensure even application

How well did you know this?

Not at all

Perfectly

The most common reason for uneven spray patterns in a boom sprayer is _____

Worn or clogged nozzles

How well did you know this?

Not at all

Perfectly

A boom sprayer should be calibrated _____

Every time a change is made to speed, nozzles, or application rates

How well did you know this?

Not at all

Perfectly

The Hypro 8 Roller pump is rated a maximum flow of 12 gpm. The abbreviation gpm means _____

Gallons per minute

How well did you know this?

Not at all

Perfectly

The Hypro 8 Roller pump is rated at a maximum continuous pressure of 100 psi; psi means _____

Pounds per square inch

How well did you know this?

Not at all

Perfectly

The housing of the pump has port sizes of ¾” NP, NPT is the abbreviation for _____

National Pipe Thread

How well did you know this?

Not at all

Perfectly

The Hypro 8 Roller pump is available with either cast-iron, Ni-Resist or the SilverCastTM bodies. The abbreviation Ni means _____

Nickel

How well did you know this?

Not at all

Perfectly

The Hypro 8 Roller pump has a CCW shaft rotation; the abbreviation CCW means _____

Counter Clockwise

The TeeJet Nozzle Strainer Mesh Screen best for more complete filtering is _____

The green strainer with the size 100 mesh

High pressure is considered to be in the range of 30 – 60 psi, the medium pressure range is between 20 - 30 psi, and the lower pressure is between _____ and 20 psi.

One gallon of colorant will treat _____ gallons of spray solution.

600 – 700 gallons

Of these items _____ is NOT appropriate PPE for chemical application.

None of these

Precautionary statements on pesticide labels include _______.

All of the above

The impact of a pesticide on a specific soil depends on _____.

All of the above

Under federal regulations, commercial applicators must provide records of restricted-use pesticides within _______ to the private applicator for whom the application was made.

30 days

Of the following types of information, _____is considered included information in the directions for use.

All of these

When selecting an electric motor for an application, the most important factor to consider is _____

The required voltage and power rating

A motor nameplate indicates service factor (SF), which represents _____

How much the motor can be overloaded without overheating

Horsepower (HP) is a measure of _____

The rate at which the motor performs work

Three-phase electric motors are preferred over single-phase motors for industrial applications because they _____

Provide smoother operation and higher efficiency

Locked rotor torque refers to _____

The torque produced when a motor starts from a complete stop

The power factor of an electric motor indicates _____

The amount of useful power compared to apparent power

If an electric motor's nameplate lists 1750 RPM, this indicates _____

The speed of the rotor when the motor is running at full load

A magnetic relay is used in motor control circuits to _____.

Provide a physical connection between electrical contacts using an electromagnet

A programmable logic controller (PLC) is commonly used for _____.

Automating motor operation and responding to sensor inputs

Of the following switch types, ____ switches are designed to detect the presence of an object and trigger a response.

Photoelectric

A limit switch is commonly used in electric motor applications to _____.

Detect and stop motion when a moving part reaches a preset position

A timer relay in an electric motor circuit is used to _____.

Delay activation or deactivation of the motor for a set period

A float switch in an electric motor control circuit is commonly used to _____.

Detect the level of a liquid and activate or deactivate the motor accordingly

The most common type of switch used to change the direction of an electric motor’s rotation is the _____

Double-pole double-throw (DPDT switch)

When reversing the direction of a three-phase motor, you should _____.

Swap any two of the three-phase power leads

Before connecting an electric motor to a power source, always _____

All of the above

A motor starter is used in an electric motor control system to _____

Gradually apply power to prevent high inrush currents

Of the following conditions, _____ can cause an electric motor to overheat.

All of the above

Kilowatts (kW) is another measure of an electric motor’s power output; one horsepower (HP) = approximately _____

0.75 kW

The torque produced by an electric motor is measured in _____

Newton-meters (Nm) or pound-feet (lb.-ft)

The number one reason for bearing failure is _____

Lack of Lubrication

Horsepower (hp) is the unit of mechanical power equal to _____ watts of electrical power (assuming 74.6% electric motor efficiency).

746 watts

When electrons move back and forth, reversing their direction regularly, this is _____

alternating current (AC)

Power equal to ____ watts of electrical power (assuming 74.6% electric motor efficiency)

746 watts

Turning off the switch for an electric motor is one example of a _____

open circuit

The type of circuit that results from an electrical current flowing in an unintended path is a _____

short circuit

A _______ fuse can carry a temporary overload of electrical current, such as starting an electric motor, for a short period without disengaging the contacts or melting the fuse link

time-delay

If one conductor is carrying less current than the other, a condition known as _______ has occurred

circuit inequality

The formula used to calculate watts is _____

volts x amperes

Of the following, _____ is a type of electrical conductor

both a and b

The guideline of requirements for safe design and installation of electrical wiring systems is _____

National Electric Code (NEC)

The abbreviation PVC stands for _____, relative to plumbing materials

Polyvinyl Chloride

The type of PVC pipe commonly used for high-pressure applications is _____

Schedule 80

The tool commonly used to cut PVC pipe accurately is the _____

PVC pipe cutter or tubing cutter

Before completing a PVC pipe connection, apply _____ to the ends of the pipe

Primer and solvent cement

When assembling plastic pipe, the purpose of PVC primer is _____

To clean and soften the pipe surface for better bonding

The type of fitting used to connect two PVC pipes in a straight line is the _____

Coupling

A PVC union fitting is used for _____

Allowing easy disassembly of the pipe system

When installing a drainage system, the recommended slope for proper flow is _____

¼ inch per foot

The type of PVC fitting used when connecting three pipes at a 90-degree angle is the _____

Tee

The best method for securing PVC pipe in an underground irrigation system is _____

Using solvent cement and ensuring proper backfilling

To create threads on PVC pipes if a threaded connection is needed, use a _____

Pipe tap

The component of an irrigation system that controls water flow automatically is _____

Solenoid valve

A backflow preventer in an irrigation system is used to _____

Prevent contamination of the main water supply

When installing PVC pipes for an underground irrigation system, bury pipes at a depth of at least_____

12 inches

The best fitting for connecting a flexible irrigation hose to rigid PVC pipe _____

Barbed adapter

Before testing a newly installed PVC plumbing system, _____

Allow the solvent cement to cure fully

The most used type of valve to control water flow in irrigation systems is the_____

Ball valve

To smooth rough edges after cutting PVC pipe, use a _____

Deburring tool or reamer

The type of irrigation system using perforated pipe to slowly release water underground is the _____

Drip irrigation

A trench for an underground PVC pipe should be _____

At least twice the width of the pipe

The primary function of a boom sprayer is to _____

Apply liquid chemicals

The primary purpose of calibrating a boom sprayer is _____

To ensure even application of chemicals

The most common material for irrigation pipes today is _____

PVC

The role of a magnetic relay in an electric motor is _____

To control the flow of electrical current

Of the following tools, _____ is most appropriate for cutting PVC pipe

Hacksaw

The operator’s manual of a boom sprayer is primarily used to _____

Learn safe and appropriate operational practices

The unit of measurement for electric motor power is _____

Watts

Of the following components, ____ are parts of a boom sprayer

Nozzles

The function of a limit switch is _____

To detect the position of a moving part

The most important factor when selecting an electric motor for an application is _____

Torque and power requirements

Your subsurface irrigation system waters a herb planting; you pay 0.1187 cents per KWH to power your ¾ hp well pump, costing you _____ to apply 70 gallons of water in 24 hours

$2.13

Safety words such as danger, duck, and watch out! are positioned near _____

hazards

Motor horsepower is _____

1 hp = 746 watts

A 3’ diameter pulley turning with a force of 375 lbs. develops _____ of torque

1,125 foot-pounds

A given plot contains 57,630 square feet, or _____ acres

1.323

Use an ASABE hand signal to tell the spray rig operator to lower the boom; _____

point your arm & finger downward and make a circular motion

You use a 3 hp electric motor to pump municipal effluent from your storage lagoon onto your sod plantings. You will pay _____ to apply 345K gallons of liquid to your sod in 16 hours through a side roll, when power costs you 0.090 cents / KWH

$11.525