MECHANICS-AG EXAM QUESTIONS WITH ANSWERS
Which safety color is used to identify areas or items of danger or emergency such as safety switches and fire equipment?
red
Which refers to the direction of flow of electricity in the welding circuit?
polarity
Which soil is MOST likely to have proble...
MECHANICS-AG EXAM 2024-2025
MECHANICS-AG EXAM 2024-
2025 QUESTIONS WITH
ANSWERS
Which safety color is used to identify areas or items of danger or emergency
such as safety switches and fire equipment?
red
Which refers to the direction of flow of electricity in the welding circuit?
polarity
Which soil is MOST likely to have problems from fertilizers and pesticides
leaching into the groundwater?
Sandy surface and sandy subsurface
Which uses a tungsten electrode to begin an electric arc that creates a
temperature of about 43,000°F in a small, very concentrated area?
plasma arc
When one cuts a "v" in the surface of wood to receive flathead wood screw, the
procedure is known as;
countersinking
By hanging fire extinguishers on walls within easy reach where fire is likely to
occur, one ensures:
the extinguisher will be available if it is needed
As the diameter of a motor pulley turning at a given rpm is increased, the speed
of the driven machine:
increases proportionally
If a commode flush valve fails to seat properly, the MOST likely result is the
commode:
does not cut off
Which land capability class is MOST likely to need tile drainage
IIIw
A weld placed in a joint created by a 90 degree angle is a/an:
fillet weld
,MECHANICS-AG EXAM 2024-2025
When power uses fluids to transfer force, it is called:
hydraulics
dovetail
which wood joint is illustrated by the picture below?
When a piece of wood is being ripped 3" or less wide on the table saw, the
operator should ensure safe operation by:
using a push stick
Which material is relatively inexpensive, water- and moisture-resistant, holds
screws and nails very well and has become the standard material for roof
decking?
OSB (oriented strand board)
A strip of perennial vegetation next to a stream or river is MOST important in:
Buffering the water from surface water contamination
A popular, easy to use electrode for beginners that is recommended for thinner
metal because of its shallow penetration is the:
E6013
Which electrode would have the highest tensile strength and greatest depth of
penetration?
E7028
Which form of energy has recently received government subsidy to increase its
use?
solar
Which is the timber that carries the weight of a building's floors and interior
walls?
girder
Which tillage system places the crop seed directly into the residue of the
remaining crop without disturbing the soil by plowing?
no till
What is the BEST way to repair a mushroomed punch
Reshape the bevel around the crown by grinding
An SMV emblem is a safety emblem required on all:
Vehicles that travel a maximum of 25 miles per hour.
,MECHANICS-AG EXAM 2024-2025
In the four-cycle engine, during which stroke is fumes pushed out of the
cylinder?
exhaust
Electrical resistance increases as the length of the conductor increases and
results in a proportionate amount of:
voltage drop
How many gallons of irrigation water are required to provide an acre-inch of
water to the soil?
27,000
Which saw is very versatile and operates much like a drill with the cutting action
at the end of the tool rather than underneath?
Tiger saw
If one desires a very smooth finish when planning a board, the LAST pass
through the planer should dress ONLY how much from the lumber?
1/16"
What is the advantage of a double-action cylinder in a hydraulic system that can
apply pressure in either direction?
It can exert pressure by pulling or pushing
If one wants to obtain a smooth finish on concrete, the BEST technique is to:
Trowel the concrete after it starts to harden.
The drip irrigation system uses emitters in the system to:
Release the water slowly at the point of irrigation
Which is the BEST tool for use to transfer an angle from a board that has been
cut to another board so the same angle can be cut on the second board?
Sliding T Bevel
The components necessary for any fire to burn are oxygen, fuel, and:
heat
Which small engine system needs the MOST maintenance?
Fuel
What is the MAJOR advantage of trusses?
Can span areas over 100' for roofs without post
, MECHANICS-AG EXAM 2024-2025
What system is used to handle human waste in rural areas and outside of towns
and cities?
septic tank
Which is true of the white wire attached to a light switch?
serves as a hot wire
Class C fires must be put out with carbon dioxide gas or dry chemicals
extinguishers because they involve:
the presence of electricity
Wires are connected together in electrical boxes by:
wire nuts
What is the purpose for actuators in electric motors?
place another device in motion
Which pipe material is lightweight and BEST for sewage lines where large
diameters are required?
ABS
When cutting mild steel with an oxyacetylene torch, the inner cone should be
maintained?
1/8 inch from the metal being cut
Which system uses a pump, water, and a burner to clean metal equipment and
engines?
steam cleaner
How often should air filters on small gasoline engines be cleaned under normal
conditions?
after every 25 hours of operation
When one is screeding concrete, they are:
Removing excess concrete to create a smooth level surface
45 degree pipe elbow
what is the pipe fitting displayed in both pictures below?
Which tool is used to cut threads onto a rod or bolt?
Die
A list and description of all the materials to be used in constructing a project is
a:
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