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(Fundamentals of Engineering) Which of the following species of wood are classified as softwood? a) Maple b) Ash c) Spruce d) Poplar - โ โ c) Spruce
(Fundamentals of Engineering) Civil engineers __________. a) design electrical power systems b) develop mechanical hardware c) design bridges, roadways and dams d) design systems with pulleys, gears, and torque - โ โ c) design bridges, roadways, and dams.
(Fundamentals of Engineering) The hardness of steel can be increased by all of these methods except __________. a) sintering b) stretching c) hammering d) adding carbon - โ โ b) stretching
(Fundamentals of Engineering) If you received three full time job offers, one for $12 per hour, one for $1,400 per month, and one for $26,500 per year, which job should you take if salary was your only consideration?
a) $1,400 per month b) $12 per hour c) $26,500 per year d) $12 per hour and $1,400 per month are the same - โ โ c) $26,500 per year
(Fundamentals of Engineering) Mike rode his bike 600 miles and he carried a spare tire on the trip. To provide equal wear on all 3 tires, he changed his tires while traveling. How many miles of wear did each tire accumulate? a) 300 b) 1200 c) 200 d) 400 - โ โ d) 400
(Fundamentals of Engineering) A temperature of 40 degrees C is equal to __________ degrees F. a) 98 b) 126 c) 104 d) 158 - โ โ c) 104
(Fundamentals of Engineering) What units are used to measure electrical current? a) Amperes b) Resistance c) Watts d) Volts - โ โ a) Amperes
b) On the right hand side of the machine c) In front of the machine d) Three feet away from the machine - โ โ c) In front of the machine
(Fundamentals of Engineering) The following are 4 steps of the Engineering Design Cycle. If you place them in order, which of the following would be Step 2? a) Identify the problem b) Design c) Brainstorm d) Test - โ โ c) Brainstorm
(Fundamentals of Engineering) If the X position is 3.5, the Z position is -0.3 and the Y position is 2, the Cartesian coordinates should be written as: a) (3.5, 2, -0.3) b) (-0.3, 2, 3.5) c) (3.5, -0.3, 2) d) (2, 3.5, -0.3) - โ โ
(Fundamentals of Engineering) A 3 view or shop drawing is the same thing as __________. a) a pictorial b) an axonometric projection c) an isometric drawing d) an orthographic projection - โ โ d) an orthographic projection
(Aerospace Pre-Engineering) The aspect ratio of a wing is useful to engineers because it helps to calculate lift and drag. What is the aspect ratio of a rectangular wing if the wingspan is 20 meters and the width of the wing, known as the chord length, is 2 meters? a) 2 b) 20 c) 10 d) 15 - โ โ c) 10
(Aerospace Pre-Engineering) If an airplane is not accelerating and is climbing in altitude which is true? a) Thrust is greater than Drag and Lift is less than Weight b) Drag is greater than Weight and Lift is greater than Thrust c) Lift is equal to Drag and Weight is equal to Thrust d) Lift is greater than Weight and Drag is equal to Thrust - โ โ d) Lift is greater than Weight and Drag is equal to Thrust
(Chemical Pre-Engineering) Use the Ideal Gas Law to determine the pressure in atmospheres of a gas, given a volume of 0.886 L, the number of molecules, n = 0.00801 mol, and temperature of 311 K. The gas constant, R, is 0. Lโขatm/molโขK. a) 2.31 atm b) 23.1 atm c) 0.002 atm d) 0.231 atm - โ โ d) 0.231 atm
b) 75% c) 200% d) 50% - โ โ d) 50%
(Electrical Pre-Engineering) Which of the following is not measured by frequency? a) Light b) Heat c) Line Current d) Sound - โ โ b) Heat
(Technology Pre-Engineering) Frequency is measured in __________. a) hertz b) volts c) amps d) ohms - โ โ b) Volts
(Technology Pre-Engineering) Which of the following is not an engineering drawing? a) Isometric b) Orthographic c) Working Drawing d) Artistic Rendering - โ โ d) Artistic Rendering
(Mechanical Pre-Engineering) The mechanical advantage of a machine is __________. a) the input force divided by the output force b) the distance the input moves divided by the distance the output moves
c) always greater than or equal to 1 d) the distance the output moves divided by the distance the input moves - โ โ b) the distance the input moves divided by the distance the output moves
(Mechanical Pre-Engineering) According to the second law of thermodynamics, __________. a) everything in the universe will eventually reach absolute zero b) entropy is always decreasing c) entropy will increase forever d) everything in the universe will eventually be the same temperature - โ โ c) entropy will increase forever
(Manufacturing Technology Pre-Engineering) A tensile test consists of a material that is subject to __________. a) rotational forces until deformation b) uniaxial tension until failure c) uniaxial tension until deformation d) rotational forces until failure - โ โ b) uniaxial tension until failure
(Manufacturing Technology Pre-Engineering) Pneumatics systems require __________. a) fluids such as oil or water to operate b) carbon Dioxide c) nitric Oxide d) a compressor - โ โ d) a compressor
Another good way to describe engineering is simply saying that engineering is - โ โ Problem Solving
Select the best definition for what engineering is: - โ โ the Use of tools and materials to create things to solve problems for people
Alan Shepard - โ โ Was the first american to orbit the earth
Neil Armstrong - โ โ Was the first man to walk on the moon
What has the highest strength to weight ratio? - โ โ Carbon Fiber
According to the U.S. Dept. of commerce between 2008 and 2018 U.S. STEM jobs are predicted to grow by __ % compared to a growth rate estimated of just under 10 % for non-STEM jobs. - โ โ 17%
It took Apollo 11 how long to fly to the moon? - โ โ 3 days
First Lunar Lander that landed on the moon - โ โ Eagle
The (Hubble) space shuttle has flown to the moon how many times? - โ โ 0
First spacecraft that landed on mars - โ โ Pathfinder 1997
Largest rocket ever built - โ โ Saturn V
The first spacecraft on the moon was: - โ โ 1959
Copper and Zinc mixed together make an alloy we know as: - โ โ Brass
Material that makes stainless steel rust resistant? - โ โ Chromium
Most common construction materials are: - โ โ Dimensional Lumber
What does the number on the recycling symbol on the bottom of a plastic container indicate? - โ โ Resin Type
Ferrous metals are easy detectable with: - โ โ Magnets
Alloys are: - โ โ A mixture of 2 or more metals to create a metal with different properties
Quenching, dipping heated metals in oil or water, can change the: - โ โ hardness of the metal
Pine, fir and oak are all: - โ โ Softwoods
What is NOT characteristic of plastics that makes it a good material for manufacturing parts? - โ โ conductive
Which of the following are examples of ferrous metals? - โ โ Cold rolled steel, iron and stainless steel
Graphite is a main component in many - โ โ Composites
Examples of precious metals: - โ โ Platinum, gold and silver
The part of the robot that grasps is called the - โ โ Manipulator
Holonomic Drive Train has how many degrees of freedom? - โ โ 3
The microcontroller on a robot - โ โ executes the robot's program
robots that run by themselves without human control require - โ โ A microcontroller and autonomous programming
Motor controls - โ โ have power routed from the power source and are connected to the microcontroller with PWM cables
Crystal rode her bike 600 miles and she carried a spare tire on the trip. To provide equal wear on all tires she changed her tires while traveling. How many miles of wear did each tire accumulate? - โ โ 400 miles
A temperature of 45 degrees C is equal to ____ degrees F - โ โ 113 degrees
An air conditioner can remove 7500 BTU per hour. This is the equivalent of __ kilowatts. kW = (BTU/h .000293) - โ โ 220
Recall that V=IR and P=VI. How much power must a 5 V battery provide to drive a 25 Ohm load? - โ โ 5 Watt
If a 32 tooth gear is the input gear what is the gear ratio at the rightmost 8 tooth gear? - โ โ 3:
If the leftmost 32 gear turns counterclockwise, which direction will the rightmost 8 tooth gear turn? - โ โ counterclockwise
If a position is shown relative to the origin, that point is described as a____ coordinate - โ โ absolute
If the X position is the 3.5, the Z position is -.3 and the Y position is 2, the coordinates should be written:
When drawing in CAD/CAM, the ___ grid contains points that the cursor can snap to during sketching - โ โ Snap
Match the correct safety color with what it represents. ORANGE represents: - โ โ Warning - Waste storage and clean up area
Match the correct safety color with what it represents. BLUE represents: - โ โ Information - Signs and bulletin boards. Specific warnings against starting, using or moving equipment being repaired.
Voltage in a USB - โ โ 5 Volts
What is digital? - โ โ A string of 0 and 1, numbering system: binary. Also: either 0 or 1, no values in between. ex) On or off switch
What is analog? - โ โ Analog signals have values in between. ex) Volume control
What are thermoplastics? - โ โ Every plastic
Can thermoplastics be recycled? - โ โ YES
