Multiple Choice Identify the letter of the choice that best
completes the statement or answers the question.
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1.
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Through the photosynthetic process, plants use light energy from the sun, carbon
dioxide, and nutrients to produce high energy molecules and:
a. | Carbon monoxide | c. | Methane | b. | Oxygen | d. | Nitrogen gas |
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2.
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Something that can be broken down by bacteria and fungi is called:
a. | Recyclable | b. | Recalcitrant | c. | Biodegradable | d. | Mixed
waste |
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3.
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Municipal solid waste (MSW) is also called:
a. | Trash | c. | garbage | b. | refuse | d. | trash, garbage, and refuse are all
correct |
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4.
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To separate into constituent elements through chemical and biological change; to
rot:
a. | reduction | b. | decomposition | c. | combustion | d. | renewal |
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5.
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Careful preservation and protection of something, especially planned management
of a natural resource to prevent exploitation, destruction, or neglect:
a. | development | b. | utilization | c. | conservation | d. | restoration |
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6.
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In any ecosystem, there are 3 main groups of organisms:
a. | producers, consumers, and decomposers | b. | producers, consumers, and
constituents | c. | plants, animals, and birds | d. | predators, prey, and
observers |
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7.
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The following nutrients are continuously recycled within the natural
environment:
a. | carbon | b. | nitrogen | c. | phosphorus | d. | carbon, nitrogen, and phosphorus are all
correct |
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8.
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Economically sustainable sources of drinking water include:
a. | oceans | c. | rivers, reservoirs, and ground water | b. | estuaries | d. | rain barrels |
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9.
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A zero emissions waste management plan would include:
a. | incineration of wastes | c. | disposal in landfills | b. | reduce, reuse, and
recycle | d. | lake
dumping |
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10.
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Populations within an ecosystem are constrained by:
a. | space availability | c. | predators | b. | food | d. | space availability, food, and
predators |
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11.
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The inherent poisonous potency of a compound under experimental conditions is
referred to as the compound’s:
a. | use hazard | c. | toxicity | b. | poisoning effect | d. | noxious effect |
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12.
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The environmental assessment of a site for a containment facility should
include:
a. | sampling soil at and around the proposed site | b. | counting all the
birds in the area | c. | determining the type of grass growing on the
site | d. | determining if there is a local fire department |
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13.
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Rinsate refers to:
a. | water tanks used to wash away leaks and spills | b. | water that has been
used to clean pesticide | c. | containers that are used once and then
disposed | d. | a thin layer of granular material placed on top of a prepared
subgrade |
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14.
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Secondary containment refers to:
a. | shovels and sand used to wash away leaks and spills | b. | water tanks used to
wash away leaks and spills | c. | structures built around storage facilities to
contain products that have leaked or spilled | d. | none of these are
correct |
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15.
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Herbicides should always be sprayed ____ to minimize the spray drift
hazard.
a. | just before sunrise and just after sunset | b. | when winds are less
then or between 3 mph and 5 mph | c. | on calm overcast days | d. | in the middle of the
day when the sun is the hottest |
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16.
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A stored energy hazard could be:
a. | hydraulic cylinder | b. | circuit breaker | c. | springs | d. | hydraulic cylinder, springs, and circuit
breaker |
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17.
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Which of the following hydraulic components is used to store energy?
a. | pump | c. | return filter | b. | pressure relief valve | d. | accumulator |
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18.
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In hydraulic systems ‘SUC’ is a unit of:
a. | oil color | b. | filter size | c. | viscosity | d. | line
size |
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19.
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Too much vacuum at the intake part of a hydraulic pump can cause:
a. | hydrolysis | c. | back pressure | b. | cavitation | d. | runaway speed |
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20.
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The output torque of a hydraulic motor is proportional to the product of
pressure and:
a. | output port size | c. | length of run | b. | oil flow rate | d. | displacement |
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21.
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The output flow rate of a hydraulic pump is proportional to the product of input
shaft speed and:
a. | displacement | c. | length of run | b. | input port size | d. | number of
fittings |
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22.
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The output force of a hydraulic cylinder can be limited by a:
a. | check valve | c. | pressure relief valve | b. | directional control
valve | d. | 4 way
valve |
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23.
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Which of the following fuels has the highest energy content per gallon?
a. | hydrogen | b. | propane | c. | gasoline | d. | diesel |
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24.
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The pressure drop required to move oil through a hydraulic hose is most
sensitive to:
a. | length | c. | flow rate | b. | inside diameter | d. | total pressure |
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25.
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Kilowatt-hour (kW-h) is a unit of:
a. | power | b. | force | c. | energy | d. | torque |
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26.
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The resistance of an electrical conductor is inversely proportional to
a. | length | c. | insulation type | b. | cross sectional area | d. | dielectric
number |
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27.
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Doubling the size of the piston in a hydraulic cylinder will increase the force
output:
a. | 2 times | b. | 4 times | c. | 6 times | d. | 8
times |
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28.
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Which is not a type of hydraulic pump?
a. | Vane | b. | Gear | c. | Diaphragm | d. | Piston |
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29.
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In a hydraulic system, one method that converts fluid power into mechanical
power is through the use of:
a. | Hydraulic Cylinders | c. | Hydraulic chains | b. | Hydraulic filters | d. | Hydraulic
reservoirs |
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30.
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A time-delayed circuit protection is installed in a 200 foot electrical circuit.
If a single 20 horsepower motor load is connected at the end of the circuit, the circuit protection
is sized to protect the _______ from electrical overloads.
a. | motor | b. | motor and circuit
conductors | c. | circuit conductors | d. | neither the motor or the circuit
conductors |
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31.
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The industrial quality, safety eyewear that everyone must wear in a general shop
setting, protects you from:
a. | Small flying objects | c. | Electromagnetic radiation | b. | Arc
flash | d. | Chemical
splash |
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32.
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A common SMAW ( shielded metal arc welding) or stick welding electrode for
building or repairing equipment is E6013. For an E6013 electrode, which one of the following is
true:
a. | the “1” indicates the chemical composition of the
coating. | b. | the”3” indicates the position in which the electrode is to be
used. | c. | the “60” indicates an ultimate tensile strength of 60,000
psi | d. | None of these are correct |
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33.
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An electric arc produces _____ rays which are harmful to the eyes:
a. | Infra-red | b. | Ultraviolet | c. | Bright visible
light | d. | Infra-red, Ultraviolet, and Bright visible light |
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34.
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A tack weld is generally used to;
a. | Secure better fusion | c. | Increase the deposition for welding | b. | Hold parts in
position for welding | d. | Prevent excessive penetration |
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35.
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Which of the following is not a type of weld joint?
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36.
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With the SMAW process, the operator can change arc voltage by ______?
a. | Adjusting the amperage control | c. | Welding toward the work
clamp | b. | Traveling faster | d. | Changing arc length |
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37.
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Which of these electric motor enclosures should be used if a motor is installed
in an environment where it will be splashed or sprayed by water?
a. | Splash proof | c. | Dust proof | b. | Open | d. | Explosion proof |
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38.
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Which of the following is a commonly used electric motor mount?
a. | “A” frame | b. | Cushioned | c. | Vibrating | d. | Orbital |
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39.
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When connecting booster batteries to the battery of an automobile or tractor,
connect the:
a. | Positive terminal to the negative terminal | b. | Negative terminal to
the positive terminal | c. | Positive terminal to ground | d. | Positive terminal to
the positive terminal |
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40.
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What is meant by torque?
a. | A wrench | b. | To place | c. | Turning action | d. | Power |
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41.
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Sprayers should be calibrated:
a. | only when purchased new | b. | only once a year after winter
storage | c. | only when changing from one chemical to another | d. | periodically during
the season and each time a new chemical is used |
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42.
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When calibrating a sprayer, if the gallon per acre value determined is not
required, the easiest method of correction is to:
a. | change the sprayer pressure | c. | changing the nozzle
tips | b. | speed up or slow down the tractor | d. | none of these are
correct |
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43.
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A pressure gage should have a total range ____ the reading expected.
a. | equal to | c. | twice | b. | 1 1/2 times greater | d. | three times |
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44.
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The ideal location to mount the pressure gauge for the greatest accuracy in
application of the chemical is:
a. | before the pressure regulator | b. | immediately after the pump | c. | close to the
operator | d. | on the boom as close as to the nozzles as possible |
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45.
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Chemical application rates can be increased by:
a. | increasing pressure at the nozzle tip | c. | reducing the speed of the
tractor | b. | using a large nozzle tip | d. | all of these are correct |
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46.
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Factors to consider when locating buildings on a farmstead are
a. | fire safety | c. | freedom from odors | b. | space for moving of
machinery | d. | all of these are
correct |
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47.
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In a typical post frame constructed building, the girt will be fastened to the
___________.
a. | Purlin | b. | Double girder | c. | Post | d. | Truss |
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48.
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In a typical post frame constructed building, the purlin will be fastened to the
_____.
a. | purlin | b. | Double girder | c. | post | d. | truss |
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49.
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In a typical post frame constructed building, the skirting will be fastened to
the ____.
a. | post | b. | purlin | c. | knee brace | d. | truss |
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50.
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Which of the following loads is not used to calculate the material size for a
truss?
a. | Dead load | b. | Live load | c. | Wind load | d. | Ice
load |
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51.
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Round poles are classified according to
a. | top circumference | c. | bottom circumference | b. | average circumference | d. | none of these are
correct |
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52.
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When using a pneumatic nailer for fastening sheathing, the head of the nail
should be 1/4” below the surface of the sheathing.
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53.
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When applying wall sheathing to a wood stud structure, the panels may be
installed vertically but not horizontally.
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54.
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When applying a standard weight shingle to an OSB decking, the average shingle
requires _____ nails per shingle.
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55.
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A ____ is used to carry loads over doors and windows.
a. | cripple stud | b. | facia | c. | header | d. | soffit |
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56.
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______ refers to structures built around pesticide and fertilizer storage
facilities to contain products that have escaped out due to leaks, spills, fire, impacts, vandalism
or ruptures in tanks.
a. | Absorbent pillow or “pigs” | c. | Primary
containment | b. | Secondary containment | d. | none of these are correct |
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57.
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When selecting and planning for a building site be sure to check regulations
with governmental agencies such as:
a. | local environmental agency | c. | soil conservation
service | b. | village or city codes | d. | all of these are correct |
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58.
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The tool producers a very smooth finish on fresh concrete is:
a. | Broom | b. | Wood float | c. | Steel trowel | d. | Bull
float |
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59.
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At very low outside temperatures the ventilation requirement to control moisture
in a controlled environment livestock building is generally ________ than that required to control
temperatures.
a. | higher | b. | lower | c. | the same as | d. | backwards |
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60.
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The study of safety is primarily concerned with:
a. | the prevention of accidents and hazardous situations. | b. | the well-being of
the whole individual. | c. | disease causing conditions caused by prolonged
exposure to dangerous environments | d. | dangerous but less intense
hazards |
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61.
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The mechanical injury that results when a sharp point or edge pierces the
skin, and flesh is pulled away violently is called:
a. | cutting | b. | tearing | c. | shearing | d. | breaking |
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62.
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All of the information necessary to build a structure as it was designed and
engineered can be found in the:
a. | project plans | c. | drawing | b. | specifications | d. | building permit |
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63.
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Pesticides may enter the body by way of:
a. | the mouth | c. | inhalation | b. | the skin | d. | all of these are
correct |
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64.
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Which of the following items is not considered to be personal protective
equipment (PPE)?
a. | respirator | b. | gloves | c. | EPA manual | d. | apron |
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65.
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The term “MSDS” means
a. | Mandatory Safety Department Standards | b. | Material Safety Data Sheets | c. | Ministry of
Standards | d. | none of these are correct |
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66.
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An acute health hazard is one in which
a. | results in symptoms of overexposure becoming quickly apparent | b. | never results in any
adverse condition | c. | causes symptoms to develop slowly over a long
period of time | d. | causes the victim to suddenly die three days after
exposure |
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67.
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The United States _______ is the federal agency that registers and regulates all
pesticides.
a. | Environmental Protection Agency (EPA) | b. | Department of Agriculture
(USDA) | c. | Worker Protection Standard (WPS) | d. | Occupational Safety and Health Administration
(OSHA) |
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68.
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The largest size of tractor (maximum horsepower) which a child under the age of
sixteen may legally operate is:
a. | 2 hp | b. | 20 hp | c. | 200 hp | d. | 2000
hp |
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69.
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The term ROPS stands for:
a. | Random Operation Protection Standard | b. | Roll Over Protection
Structure | c. | Reverse Operating Protection Structure | d. | None of these are
correct |
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70.
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Worker safety equipment that should be available in a pesticide handling area
should include:
a. | an emergency shower | c. | the current Material Safety Data Sheets | b. | an
eyewash | d. | all of these are
correct |
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71.
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A pesticide label that contains the signal word “CAUTION: Keep Out of
Reach of Children” is required of all compounds having unqualified claims for safety is
classified as:
a. | Category I | b. | Category II | c. | Category III | d. | Category
IV |
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72.
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A pesticide label that contains the signal words “DANGER-POISON” in
bold print and the skull and crossbones symbol represents a category of toxicity and is classified
as:
a. | Category I | b. | Category II | c. | Category III | d. | Category
IV |
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73.
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A pesticide label that contains the signal word “WARNING” in bold
print is required for all moderately toxic compounds and is classified as:
a. | Category I | b. | Category II | c. | Category III | d. | Category
IV |
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74.
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A pesticide label that contains the signal word “CAUTION” in bold
print is required for slightly toxic compounds and is classified as:
a. | Category I | b. | Category II | c. | Category III | d. | Category
IV |
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75.
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A standard bag of cement....
a. | contains 1-1/2 cubic feet of cement | c. | weighs 100
pounds | b. | weighs 94 pounds | d. | contains 1/2 cubic feet of cement |
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