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RECF-Fundamentals Full Practice Test
Study Guide
Which of the following species of wood are classified as softwood? - โ โ spruce Civil Engineers ______. - โ โ Design bridges, roadways, and dams The hardness of steel may be increased by all of the following except ________. - โ โ stretching If you received three full time job offers, one for $12 per hour, one for $1400 per month, and one for$26,500 per year, which job should you take if salary was your only consideration? Assuming you work 40 hours per week. - โ โ $26500 per year Mike rode his bike 600 miles and he carried a spare tire on the trip. To provide equal wear on all 3 tireshechanged his tires while traveling. How many miles of wear did each tire accumulate? - โ โ 400
A 3 view or shop drawing is the same thing as ________. - โ โ an orthographic projection If the X position is 3.5, the Z position is -0.3, and the Y position is 2, the Cartesian coordinates should bewritten as: - โ โ (3.5, 2, -0.3)
If a position is shown relative to the origin, that point is described as what kind of coordinate? - Absolute โ โ
In manufacturing, what does the acronym QC represent? - โ โ quality control
Which of the following won the X prize as the first private company to put a man into space? - Space Ship One โ โ
What was the first American manned space craft? - โ โ Mercury What was the primary function of the US space shuttle? - โ โ transport astronauts to space Who was the first astronaut to walk on the moon? - โ โ Neil Armstrong It took Apollo 11 how long to fly to the moon? - โ โ 3 days In what year was the final moon landing made? - โ โ 1972 What units are used to measure electrical current? - โ โ Amperes A multi-meter is a device that can measure what? - โ โ voltage, amperes, and resistance What units are used to measure the electrical resistance of a circuit? - โ โ ohms Robots that run by themselves without human control utilize ______. -autonomous programming โ โ a micro controller and
The part of the robot that grasps or picks up items is called the ________. - โ โ manipulator Motor controllers on a robot are necessary to _________. -microcontroller (NOT SURE) โ โ Send Control signals from the
Which of the following choices of footwear would be safest to wear in a workshop, manufacturing area,or lab? - โ โ work boots
The upper blade guide on a band saw is used to stabilize the blade when adjusting for differing stockthicknesses. How high should the guide be above the stock to be cut? - โ โ no more the 0.25 in. above the stock When cutting curves on a band saw, __ cuts should be used. - โ โ relief A push block would be useful and safe when thin or narrow stock is __________. -table saw โ โ cut on a
When operating a sander, if the sanding disk come loose, one should ________. -or replace the sanding disk โ โ stop, tighten
One of the most common safety issues with the drill press is ___________. -key in the drill chuck โ โ leaving the chuck
Why would you need to adjust the speed of the drill press? -different hardness โ โ because different materials have
When using any power tools, it is best to know how to ______. -controls โ โ operate all switches and
When making any adjustments to power tools you should _________. - โ โ unplug the power tool An isometric projection is a method for visually representing __________. -view of an object โ โ three dimensional
Which of the following is not true about an electrical schematic? -and scale of components in circuit โ โ shows an accurate distance
What kind of drawing requires the taking of dimensions and the creation of sketches of existing items ata construction site? - โ โ walk down
When you compare the actual size of the units of a project with the paper size units of a technicaldrawing of that project you arrive at _____________. - โ โ the scale factor for the technical drawing A person's behavior is always ethical when they _____. -behavior โ โ follow and expected standard of
All pages must be ____ in an engineering notebook. - โ โ numbered and in ink Friction is a force that acts _________. - โ โ in an opposite direction to movement Which scientist developed the laws of motion? - โ โ Issac Newton What is another name for the first law of motion? - โ โ law of inertia When a hammer falls from a work bench, __________. -increases while the potential energy decreases โ โ The kinetic energy of the hammer
A pendulum is released from a certain height, it swings through the lowest point and swings upward.The pendulum slows and finally stalls at a height which is a little less than the height at which it is released at. This demonstrates which of the following _________. - โ โ First law of motion
What type of circuit is the following? - โ โ parallel (GO TO TEST FOR IMAGE) What type of circuit is the following? - โ โ series (GO TO TEST FOR IMAGE) What type of view is the following? - โ โ break view (GO TO TEST FOR IMAGE) What type of view is the following? - โ โ alternate position (GO TO TEST FOR IMAGE) Which of the following is the correct orthographic FRONT view of the isometric drawing in the figure? - โ โ A (GO TO TEST FOR IMAGE)
Which of the following is the correct orthographic TOP view of the drawing in the figure? -(GO TO TEST FOR IMAGE) โ โ C
Which of the following drawings shows the TOP view of the part? - โ โ C (GO TO TEST FOR IMAGE) Which of these processes converts knowledge into a physical form? - โ โ Development Which type of engineer would most likely a bubble gum formula that makes it easy to blow big bubbles?- โ โ chemical
Which of the following is a problem associated with carbon fiber? - โ โ high cost Which of these is least likely to corrode? - โ โ Titanium
Which of the following has the highest strength to weight ratio? - โ โ Carbon fiber Which of the following materials consists of reversible chemical bonds which permit remolding uponheating? - โ โ Thermoplastics
What does the number on the recycling symbol on the bottom of a plastic container indicate? - resin type โ โ
Heating polycarbonate plastic is common to create bends in the material. After the heating process iscomplete and the material returns to room temperature, the material will ________. - โ โ be more brittle (NOT SURE) The following picture depicts what type of corrosion? -IMAGE) โ โ oxidation of steel (GO TO TEST FOR
A plane is flying at 1000 meters above the ground and fires a laser 60 degrees of of straight down. whatis the distance the light traveled to the ground? - โ โ 2000 meters
Who was the first American astronaut to fly into space? - โ โ Alan Sheppard The first satellite to orbit the earth in 1957? - โ โ Sputnik - 1 Which of the following won the X prize as the first private company to put a man into space? - Space Ship One โ โ
in 1969, mankind landed on which celestial body other than earth? - โ โ Earths moon Who was the first astronaut to walk on the moon? - โ โ Neil Armstrong
Recall that V=IR and P=VI. How much power must a 3V battery provide to drive a 15 Ohm load? - 3/5 W โ โ
What formula represents Newtons second law? - โ โ F=MA A pendulum is released from a certain height. It swings through the lowest point and swings upward.The pendulum slows and finally stalls at a height which is a little less than the height it was released at. This demonstrates the following law of motion? - โ โ 1st In 1969, mankind landed on which celestial body other than earth? - โ โ Earths moon Motor controllers on a robot are necessary to _________? -microcontroller (NOT SURE) โ โ Send Control signals from the
A robots microcontroller primarily serves which of the following functions? -downloaded program โ โ It runs the
Orange represents - โ โ safety guards and pinch points When using a belt/disc sander, _____ should be used to keep the sander from throwing the stock. - โ stop โ
First human space flight - โ โ Vostok In the acronym STEAM, what does the "A" stand for? - โ โ Arts Another good way to describe engineering is simply by saying that engineering is -problems โ โ solving
Computer engineers _______. -science to develop computer hardware and software โ โ integrate the fields of electrical engineering and computer
Mechanical engineers ________. - โ โ designs systems with gears, drivers, power, and torque A robotic arm designed for an assembly line in a production plant would be created by: -team composed of engineers from several areas of engineering โ โ A
Manufacturing engineers _________. -raw materials in a new product โ โ develop systems, machines and equipment that turn
The difference between hardwood and softwood is _________. -deciduous trees, softwoods are from coniferous trees โ โ hardwoods are from
Which of the following is the most widely used home construction material? -Lumber โ โ Dimensional
Wood veneers are used to _________. - โ โ cover less expensive wood Which of the following materials has the lowest density? - โ โ Aluminum Composite materials in general are anisotropic, this means the properties of the material are___________. - โ โ directionally dependent
Which of the following materials has the highest strength to weight ratio? - โ โ Carbon Fiber
What type of current does a house use? - โ โ Alternating current A car battery is ___________. - โ โ 6 cells in series totaling 12.6 Volts The teeth on a band saw point in which direction? - โ โ downwards In order for an engineer to become a Professional Engineer (PE), he or she must successfully completethe following: - โ โ All of the above
Which of these materials is safe to touch? - โ โ Iron Understanding early space history relative to today's technological development is_________________________? - โ โ the reason behind developing increasingly smaller, cheaper, lighter and faster processing technologies in use today. When drawing in CAD/CAM, the ______ grid contains points that the cursor automatically moves toduring sketching. - โ โ snap
The teeth on a band saw point in which direction? - โ โ downwards Injection molding is predominantly used in _____. - โ โ thermoplastic processes Which is not a property of Polycarbonate plastic: - โ โ Brittle Which of the following materials makes stainless steel rust resistant? - โ โ Chromium Which metal is added to copper to make Bronze? - โ โ Tin
Polymers are the primary building blocks for which of the following material? - โ โ Plastics What is not a chemical engineer project? - โ โ Figure out how to communicate via Bluetooth Understanding space history and its technological advances is _________. -developing increasingly smaller, cheaper, lighter, and faster technologies in use today โ โ the reason behind
What type of fracture is seen in the part depicted in the figure? -(GO TO TEST FOR IMAGE) โ โ Stress fracture (NOT SURE)
A model boat has a scale of 1 inch = 5 feet. If the length of the real boat is 45 feet, how long will themodel boat be? - โ โ 9 inches
When drawing in CAD/CAM, the _______ grid contains points that the cursor automatically movesduring sketching. - โ โ snap
Safety color BLUE represents: - โ โ Caution regarding equipment under repair or shut down When using the drill press, it is a best practice to _______. -table โ โ clamp the stock down to the drill
An engineering notebook must be -added or removed โ โ bound such as a composition notebook so pages cannot be
If an object is 10 feet above the ground and then it is raised to 20 feet, what is the effect on the object'spotential energy? - โ โ increased by a factor of 2
