RECF FUNDAMENTALS COMPREHENSIVE EXAM 2026/2027
QUESTIONS AND SOLUTIONS RATED A+
✔✔Orange represents - ✔✔safety guards and pinch points
✔✔When using a belt/disc sander, _____ should be used to keep the sander from
throwing the stock. - ✔✔stop
✔✔First human space flight - ✔✔Vostok
✔✔In the acronym STEAM, what does the "A" stand for? - ✔✔Arts
✔✔Another good way to describe engineering is simply by saying that engineering is -
✔✔solving problems
✔✔Computer engineers _______. - ✔✔integrate the fields of electrical engineering and
computer science to develop computer hardware and software
✔✔Mechanical engineers ________. - ✔✔designs systems with gears, drivers, power,
and torque
✔✔A robotic arm designed for an assembly line in a production plant would be created
by: - ✔✔A team composed of engineers from several areas of engineering
✔✔Manufacturing engineers _________. - ✔✔develop systems, machines and
equipment that turn raw materials in a new product
✔✔The difference between hardwood and softwood is _________. - ✔✔hardwoods are
from deciduous trees, softwoods are from coniferous trees
✔✔Which of the following is the most widely used home construction material? -
✔✔Dimensional Lumber
✔✔Wood veneers are used to _________. - ✔✔cover less expensive wood
✔✔Which of the following materials has the lowest density? - ✔✔Aluminum
✔✔Composite materials in general are anisotropic, this means the properties of the
material are ___________. - ✔✔directionally dependent
✔✔Which of the following materials has the highest strength to weight ratio? -
✔✔Carbon Fiber
, ✔✔Alloys are _____. - ✔✔a mixture of two or more metals to create a metal with
different properties
✔✔Brass is an alloy made of two different metals. Which of the following metals are
found in brass? - ✔✔Copper and Zinc
✔✔The hardness of certain metals can be increased by _____. - ✔✔quenching
✔✔Which one of the following industrial materials can be detected using a magnet? -
✔✔Ferrous metals
✔✔Which type of process is used to manufacturing plastic water bottles? - ✔✔Blow
molding
✔✔What are plastic made from? - ✔✔hydrocarbons
✔✔Heating polycarbonate plastic is common to create bends in the material. After the
heating process is complete and the material returns to room temperature, the material
will ________. - ✔✔be more brittle (NOT SURE)
✔✔What do the number in the recycling symbol from the bottom of a plastic container
indicate? - ✔✔resin type
✔✔Thermoplastic materials become ________ when heated. - ✔✔soft
✔✔Which company was the first to mass produce the automobile? - ✔✔Ford
✔✔What type of current does a car battery use? - ✔✔Direct current
✔✔What type of current does a house use? - ✔✔Alternating current
✔✔A car battery is ___________. - ✔✔6 cells in series totaling 12.6 Volts
✔✔The teeth on a band saw point in which direction? - ✔✔downwards
✔✔In order for an engineer to become a Professional Engineer (PE), he or she must
successfully complete the following: - ✔✔All of the above
✔✔Which of these materials is safe to touch? - ✔✔Iron
✔✔Understanding early space history relative to today's technological development is
_________________________? - ✔✔the reason behind developing increasingly
smaller, cheaper, lighter and faster processing technologies in use today.
QUESTIONS AND SOLUTIONS RATED A+
✔✔Orange represents - ✔✔safety guards and pinch points
✔✔When using a belt/disc sander, _____ should be used to keep the sander from
throwing the stock. - ✔✔stop
✔✔First human space flight - ✔✔Vostok
✔✔In the acronym STEAM, what does the "A" stand for? - ✔✔Arts
✔✔Another good way to describe engineering is simply by saying that engineering is -
✔✔solving problems
✔✔Computer engineers _______. - ✔✔integrate the fields of electrical engineering and
computer science to develop computer hardware and software
✔✔Mechanical engineers ________. - ✔✔designs systems with gears, drivers, power,
and torque
✔✔A robotic arm designed for an assembly line in a production plant would be created
by: - ✔✔A team composed of engineers from several areas of engineering
✔✔Manufacturing engineers _________. - ✔✔develop systems, machines and
equipment that turn raw materials in a new product
✔✔The difference between hardwood and softwood is _________. - ✔✔hardwoods are
from deciduous trees, softwoods are from coniferous trees
✔✔Which of the following is the most widely used home construction material? -
✔✔Dimensional Lumber
✔✔Wood veneers are used to _________. - ✔✔cover less expensive wood
✔✔Which of the following materials has the lowest density? - ✔✔Aluminum
✔✔Composite materials in general are anisotropic, this means the properties of the
material are ___________. - ✔✔directionally dependent
✔✔Which of the following materials has the highest strength to weight ratio? -
✔✔Carbon Fiber
, ✔✔Alloys are _____. - ✔✔a mixture of two or more metals to create a metal with
different properties
✔✔Brass is an alloy made of two different metals. Which of the following metals are
found in brass? - ✔✔Copper and Zinc
✔✔The hardness of certain metals can be increased by _____. - ✔✔quenching
✔✔Which one of the following industrial materials can be detected using a magnet? -
✔✔Ferrous metals
✔✔Which type of process is used to manufacturing plastic water bottles? - ✔✔Blow
molding
✔✔What are plastic made from? - ✔✔hydrocarbons
✔✔Heating polycarbonate plastic is common to create bends in the material. After the
heating process is complete and the material returns to room temperature, the material
will ________. - ✔✔be more brittle (NOT SURE)
✔✔What do the number in the recycling symbol from the bottom of a plastic container
indicate? - ✔✔resin type
✔✔Thermoplastic materials become ________ when heated. - ✔✔soft
✔✔Which company was the first to mass produce the automobile? - ✔✔Ford
✔✔What type of current does a car battery use? - ✔✔Direct current
✔✔What type of current does a house use? - ✔✔Alternating current
✔✔A car battery is ___________. - ✔✔6 cells in series totaling 12.6 Volts
✔✔The teeth on a band saw point in which direction? - ✔✔downwards
✔✔In order for an engineer to become a Professional Engineer (PE), he or she must
successfully complete the following: - ✔✔All of the above
✔✔Which of these materials is safe to touch? - ✔✔Iron
✔✔Understanding early space history relative to today's technological development is
_________________________? - ✔✔the reason behind developing increasingly
smaller, cheaper, lighter and faster processing technologies in use today.
