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RECF Pre-Test 1

Total questions: 150

Worksheet time: 3hrs 53mins

Name
Class
Date
1.

Which of these has the highest strength to weight ratio

a)

Carbon Fiber

b)

Hard Wood

c)

Soft Wood

d)

Stainless Steel

2.

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.

a)

-10% (they were going to lose jobs)

b)

around 20%

c)

around 50%

d)

around 100%

3.

To hide from the Japanese Fleet, you fly above clouds @ 17K ft. They are uniform gray sheet, & mid level. What are these types of clouds?

a)

Stratus

b)

Trentostratus

c)

Cumulonimbus

d)

Altostratus

4.

While flying to the carrier Enterprise, you notice lighting in the distance as shown below in the picture. You and your tail gunner notice the lightning is coming from a dense, towering vertical cloud, which he told you has powerful upward air currents. What type of cloud is generating the lightning?

a)

Stratocumulus

b)

Cumulonimbus

c)

Stratocumulus

d)

Nimbostratus

5.

During the debriefing, one item that you discussed was the weather around the Japanese fleet, since your squadron is planning another attack. What type of clouds did you fly through during your bombing run, which you saw below and had the following characteristics: puffy clouds that sometimes look like pieces of floating cotton, base was flat, ~ 1,000 meters (3,300 feet) altitude, and scattered throughout the sky.

a)

Cumulus

b)

Stratocumulus

c)

Cirrus

d)

Cumulonimbus

6.

What clouds are these aircraft under if they are thin, wispy & hair like, and @ an altitude of ~ 24K feet?

a)

Cirrostratus

b)

Cirrus

c)

Cirrocumulus

d)

Altocumulus

7.
Someone who wants to know how and why things work.  They also design and build things.
a)
scientist
b)
ME!
c)
Engineer
8.
The design and construction of buildings, dams, water treatment and carrying systems, air pollution controls, and transportation systems are the responsibilities of __________ engineers.
a)
Aerospace
b)
Manufacturing
c)
Mechanical
d)
Civil
9.
Keeping the water, air and soil healthy are the responsibilities of ________ engineers.
a)
Bio-related
b)
Chemical
c)
Civil
d)
Environmental
10.
This type of engineer works on machines with moving parts.
a)
Electrical Engineer
b)
Software Engineer
c)
Civil Engineer
d)
Mechanical Engineer
11.
This type of engineer designs airplanes, helicopters, and rockets. 
a)
Electrical Engineer
b)
Aerospace Engineer
c)
Mechanical Engineer
d)
Physics Engineer
12.

Which engineering field is this....


Design, develop, and test aircraft and spacecraft ranging from rockets and spacecraft to gliders and small passenger aircraft?

a)

Health & Safety

b)

Aerospace

c)

Agricultural

d)

Mechanical

13.

Which Engineering Field is this...


Create technology to advance food, biological, irrigation, and machinery systems?

a)

Materials

b)

Food Science

c)

Chemical

d)

Agricultural

14.

Which Engineering Field is this...


Devise procedures and devices to improve medical conditions?

a)

Biomedical

b)

Health & Safety

c)

Medical

d)

Chemistry

15.

Which Engineering Field is this


Design, develop, and test the manufacture of electrical equipment and large-scale electrical systems?

a)

Electronic

b)

Computer Hardware

c)

Electrical

d)

Mechanical

16.

Which Engineering Field is this...


Plan the design, construction, and maintenance of various civil structures?

a)

Industrial

b)

Mechanical

c)

Civil

d)

Petroleum

17.

Which Engineering Field is this...


Develop, process, and test materials to be used to fulfill a specific design purpose?

a)

Chemical

b)

Materials

c)

Nuclear

d)

Environmental

18.

Which Engineering Field is this...


Design, construct, operate, and maintain machinery or structures that exist in or near the water?

a)

Petroleum

b)

Marine & Ocean

c)

Water

d)

Environmental

19.

Which Engineering Field is this?


Solve environmental problems related to pollution, water use, materials and energy use, waste treatment, etc?

a)

Environmental

b)

Materials

c)

Waste

d)

Industrial

20.

Which Engineering Field is this...


Plan the design, construction, and maintenance of various civil structures?

a)

Industrial

b)

Petroleum

c)

Mining & Geological

d)

Civil

21.

This engineer may design pharmaceuticals, food products, detergents, plastics, paints, petroleum products, etc.

a)

Petroleum Engineer

b)

Materials Engineer

c)

Biomedical Engineer

d)

Chemical Engineer

22.

What was one of the most important events that started the "Space Race"

a)

Launch of Sputnik

b)

US Established NASA

c)

Yuri Gagarin orbited the Earth

d)

Launch of Laika

23.
WHAT DOES NASA  STAND FOR ?  
a)
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION
b)
NATIONAL ADMINISTRATION FOR SPACE AND AIR EXPLORATION
c)
NATIONAL ALLIANCE OF SPACE AND AIR TRAVEL 
d)
NAUTICAL ADMINISTRATION AND SPACE TRAVEL
24.
Gordon Cooper, Gus Grissom and ____________ ____________ were in the Mercury space program.
a)
John Glenn
b)
Walter Reed
c)
Charlie Duke
d)
John Kennedy
25.
_________ was the American program that put men on the moon.
a)
Mercury
b)
Pisces
c)
Gemini
d)
Apollo
26.

Which President popularized the idea of the US being the first to land on the moon?

a)

President Eisenhower

b)

President Washington

c)

President Kennedy

d)

President Nixon

27.

The space race was part of what larger conflict?

a)

Cold War

b)

WWII

c)

Vietnam

d)

Korean War

e)

War on Terror

28.

Which nation launched the first satellite and astronaut into space?

a)

United States

b)

Soviet Union

c)

Great Britain

d)

Germany

e)

China

29.

Who was the first human being in space?

a)

John Glenn

b)

Yuri Gagarin

c)

Alan Shepherd

d)

Valentin Bondarenko

30.

Exploration beyond the moon has been done by

a)

space probes with no human crew

b)

astronauts in space shuttles

c)

space probes with human crews

d)

the International Space Station

31.

What was the name of the first Mars rover?

a)

Sojourner

b)

Spirit

c)

Opportunity

d)

Curiosity

32.

Which is the correct chronological order (from first to most recent)?

a)

Venera, Mariner, Voyager, Galileo, Cassini, Chang'e, Juno, Curiosity Rover, New Horizons, Parker Solar Probe

b)

New Horizons, Voyager, Chang'e, Galileo, Parker Solar Probe, Mars Rovers, Cassini, Juno, Mariner, Venera

c)

Chang'e, Juno, Mars rovers, Parker Solar Probe, Mariner, Soviet Venera Program, Cassini, Juno, New Horizons

d)

Mars rovers, Mariner, Soviet Venera Program, Cassini, Parker Solar Probe, Juno, New Horizons, Chang'e

33.

pine

a)

softwood

b)

hardwood

c)

manufactured wood

34.

Fir

a)

softwood

b)

hardwood

c)

manufactured wood

35.

Bamboo

a)

softwood

b)

hardwood

c)

manufactured wood

d)

Bamboo Not Wood. Bamboo Grass.

36.

plywood

a)

softwood

b)

hardwood

c)

manufactured wood

37.

Oak

a)

softwood

b)

hardwood

c)

manufactured wood

38.

If you received three job offers, one for $14 per hour, one for $2400 per month and one for $27,750 per year which job should you take if salary was your only consideration and you are guaranteed 40 hours/week?

a)

$14/hr

b)

$27,750/year

c)

$2400/month

d)

They are all equal

39.

Executes the robot's program

a)

Microcontroller

b)

Manipulator

c)

Sensor

d)

Motor Controls

40.

The part of the robot that can grasp parts

a)

Microcontroller

b)

Manipulator

c)

Sensor

d)

Motor Controls

41.

Suppllies power and instruction to the actuators of a robot

a)

Microcontroller

b)

Manipulator

c)

Sensor

d)

Motor Controls

42.

Takes in data from the robot's surroundings

a)

Microcontroller

b)

Manipulator

c)

Sensor

d)

Motor Controls

43.

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?

a)

600 miles

b)

200 miles

c)

400 miles

d)

100 miles

44.

45 degrees C is closest to ____ degrees F

a)

113

b)

57

c)

49

d)

77

45.

An air conditioner can remove 7500 BTU per hour. This is the equivalent of __ kilowatts. kW = (BTU/h .000293)

a)

220

b)

2.2

c)

25,000,000

d)

1

46.

Using the incorrect tool for the job can cause:

a)

loss of employment; unintended accidents.

b)

injury to a person; damage to the tool.

c)

unintended accidents; increase in productivity .

d)

damage to the tool, decrease in productivity.

47.

PPE Stands for

a)

Personal Professional Engineer.

b)

Professional Protective Engineer.

c)

Professional Protective Equipment.

d)

Personal Protective Equipment.

48.

Tools should be transported in ________ or ____________.

a)

toolboxes; cargo pants

b)

hand; tool belt

c)

bin, ice chest.

d)

toolboxes; tool belts

49.

Never carry sharp or pointed tools in ___________.

a)

toolbox

b)

tool belt

c)

pocket

d)

hand

50.

Pass tools to others _____________ first.

a)

tip

b)

handle

c)

turned off

d)

stored

51.

The Belt Disk Sander can be used to sand what type wood?

a)

Painted

b)

Glued

c)

Clean wood only

d)

None of the above

52.

Before starting the drill press, what should be removed from the machine?

a)

Drill bit

b)

Chuck key

c)

Material

d)

None of the above

53.

The Lathe machine is used to …

a)

Turn wood pieces into cylinder shaped projects

b)

Shape wood into bowls, candlesticks, and pens

c)

Spins wood and uses tools to shape wood into cylinder shapes

d)

All the above

54.

When using the Lathe machine, it is critical to have …

a)

Eye protection & face mask or Face Shield

b)

No jewelry

c)

Long hair tied up

d)

All the above

55.

The Drill needs to be held _____________________ so that the drill bit does not break.

a)

At a 45 degree angle

b)

Perpendicular to the project

c)

At a 90 degree angle

d)

None of the above

56.

You should read the power tool _____________ to know how to operate it correctly.

a)

model number

b)

safety sheet

c)

owner's manual

d)

SDS

57.

Grounding power tools helps in preventing ___________ .

a)

electric shock

b)

unintended accident

c)

faults

d)

static discharge

58.

Disconnect power tools when:

a)

before servicing

b)

charging/installing accessories

c)

not in use

d)

All answer are correct.

59.

Secure your work using _________ or _______ otherwise they may become loose and cause injury.

a)

hammer; vice

b)

nail; clamp

c)

vice; clamp

d)

pressure; hand

60.
Which type of wood is pine?
a)
hardwood
b)
softwood
61.
Which type of wood is oak?
a)
hardwood
b)
softwood
62.
Which type of wood comes from trees with needles?
a)
softwood
b)
hardwood
63.
Which type of wood comes from trees with broad leaves?
a)
softwood
b)
hardwood
64.
Which type of wood is used more commonly for finish work on high quality furniture?
a)
softwood
b)
hardwood
65.

What type of tree grows faster?

a)

Hardwood

b)

Softwood

66.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
67.
Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
68.

Brass is an alloy made of

a)

copper and zinc

b)

copper and tin

c)

copper and nickel

d)

copper and aluminum

69.

Bronze is an alloy made of

a)

aluminum and magnesium

b)

copper and tin

c)

lead and tin

d)

copper and nickel

70.

Steel can become stainless when alloyed with _____.

a)

chromium and nickel

b)

copper and zinc

c)

tin and lead

d)

iron aand carbon

71.

Thermosetting plastic is

a)

a plastic that can be repeatedly reheated and remoulded.

b)

a plastic that can be distorted under pressure but will return to its original shape after pressure is released.

c)

a plastic that can not be repeatedly reheated and remoulded.

72.

Which plastic does this recycling symbol represent?

a)

PVC

b)

PET

c)

PP

d)

HDPE

73.

Maximum stress in engineering stress-strain diagram is called

a)

Yield strength

b)

Breaking strength

c)

Tensile strength

d)

Young's Modulus

74.

Stress =

a)

Load (P) / Area (A)

b)

Force (F) / Area (A)

c)

Area (A) / Force (F)

d)

Area (A) / Load (P)

75.

Strain =

a)

Initial Length / Change in Length

b)

Initial Length / Final Length

c)

Change in Length / Initial Length

d)

Change in Length / (Final Length - Initial Length)

76.

The rope between the tug and the ship would need to have good

a)

Ductility

b)

Hardness

c)

Tensile strength

d)

Malleability

77.

The drill would need to have what property?

a)

Malleability

b)

Ductility

c)

Conductivity

d)

Hardness

78.

Toughness is

a)

the ability of a material to resist indentation, abrasion and wear.

b)

the ability of a material to withstand impact.

c)

carry an electrical charge.

d)

the ability to be draw into a wire.

79.

An important property of this safety hat is?

a)

Hardness

b)

Ductility

c)

Tensile strength

d)

Toughness

80.

Ductility is

a)

when a material can be plastically deformed into shape using a compresive force.

b)

the ability of a material to resist fracture from a tensile force

c)

when a material can be plastically deformed into shape using a tensile force.

d)

the ability of a material to resist fracture from a compresive force.

81.

Which of the following best describes the signage shown?

a)

The place to gather during an emergency

b)

Assembly point every morning

c)

Place for emergency vehicles to park

82.

What does the O in OSHA stand for?

a)

Orientation

b)

Occupational

c)

Optional

83.

Is OSHA a law?

a)

Yes

b)

No

84.

What does the S in OSHA stand for?

a)

Sounds

b)

Simple

c)

Safety

85.

Only companies with over 100 employees need OSHA training.

a)

True

b)

False

86.

A company with only 1 employee still needs OSHA training.

a)

True

b)

False

87.

What does the white color on the NFPA diamond stand for?

a)

Special Information Hazard

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

88.

What does the red color on the NFPA diamond stand for?

a)

Special Hazard

b)

Health Hazard

c)

Flammability Hazard

d)

Reactivity Hazard

89.

What does the yellow color on the NFPA diamond stand for?

a)

Reactivity Hazard

b)

Radioactivity Hazard

c)

Flammability Hazard

d)

Health Hazard

90.

Which is the most significant hazard the chemical has?

a)

Very reactive

b)

Toxic

c)

Highly flammable

d)

Body injury

91.

What does the special hazard in this NFPA diamond indicate?

a)

Do not use with Tungsten

b)

Do not mix with water

c)

Dangerous to women

d)

Must discard after a week

92.
What safety symbol is this? 
a)
biohazard
b)
radiation
c)
toxic
d)
corrosive
93.

Scopes of OSHA covers the following except

a)

Construction

b)

Transportation

c)

Public services

d)

Armed Forces

94.

Approximately when was OSHA founded

a)

1890's

b)

1920's

c)

1950's

d)

1970's

95.

Approximately when was the NFPA founded

a)

1890's

b)

1920's

c)

1950's

d)

1970's

96.
Engineering is an important and learned profession. As members of this profession, engineers are expected to exhibit the highest standards of __________________.
a)
competence and expertise
b)
honesty and integrity
c)
compassion and consideration
d)
confidentiality and sensitivity
97.

The first and foremost obligation of registered professional engineers is to:

a)

The public welfare

b)

Their employer

c)

The government

d)

The engineering profession

98.

Of the items listed, which one is an example of something that is not safe to wear while working on the sanding machine

a)
b)
c)
d)
99.
The signal above is an example of a(n)
a)
Digital Signal
b)
Analog Signal
100.

Why do we use Robots?

a)

Robots are cheaper than humans in the long term

b)

Robots can do repetitive tasks that are boring for humans

c)

Robots can do tasks that are unsafe for humans

d)

All of the above

101.

What is a sensor?

a)

A martial arts instructor

b)

A survey that gives governments information about their population

c)

A device that allows a machine to detect changes in its environment

d)

An Empathetic person

102.

Why do we use sensors?

a)

They allow manufactures to charge more for robots

b)

They allow robots to interact with the real world

c)

They look pretty

d)

They make robots intelligent

103.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
104.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
105.
The masses of four vehicles and the net forces acting on them as they enter a highway are recorded in the table below. Which vehicle has the greatest acceleration as it enters the highway?
a)
Sedan
b)
Coupe
c)
SUV
d)
Truck
106.

According to Newton's Second Law, How do you calculate mass?

a)

Multiply mass and acceleration

b)

Divide force by acceleration

c)

Divide acceleration by mass

d)

Divide force by mass

107.

According to Newton's Second Law, How do you calculate acceleration?

a)

Multiply mass and acceleration

b)

Divide force by acceleration

c)

Divide acceleration by mass

d)

Divide force by mass

108.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
109.
What is this graph representing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
110.
Which runner won the race?
a)
A
b)
B
c)
C
111.
Jennifer made a giant cookie to eat for lunch. She ate 2/5 of it and felt sick.  She gave the rest of the giant cookie to Noelle.  How much of the cookie did Noelle have? 
a)
4/5
b)
1/5
c)
3/5
d)
5/5
112.
A construction company is digging a pit to build the foundation of a house. At the end of the first day, the company had hauled away 1/6 of a truckload of dirt. On the second day, they hauled away 2/6 of a truckload. How many truckloads did they haul away in all?
a)
1/4 truckload
b)
1/2 truckload
c)
3/4 truckload
d)
1/3 truckload
113.

Your boss asks you to figure out how much 20 gauge Pt wire in total is needed for each gasket on a new project. A tech tells you that he'll need ten pieces at a quarter inch and six pieces at nine-sixteenths of an inch. What is the minimum length of wire you'll need for each (assume nothing is lost when cutting).

a)

5 7/8 (five and seven eighths) inches

b)

5 7/18 (five and seven eighteenths) inches

c)

6 inches

d)

16 3/4 (16 and three quarters) inches

e)

You admit to your boss that you can't do elementary school math and you get fired.

114.
a)
Torx bit
b)
Bolt
c)
socket
d)
Allen bit
115.
a)
Combination Wrench
b)
Open End wrench
c)
Ratchet wrench
d)
Line Wrench 
116.
a)
Torx Bit
b)
Allen Wrench
c)
L wrench
d)
Long Wrench
117.
a)
pliers
b)
Channel locking pliers
c)
vise grips
d)
wire pliers
118.
Before replacing parts such as bits, blades, or discs on any tool, you must _____.
a)
a. polish it with a fine steel wool
b)
b. recharge the tool's battery
c)
c. disconnect the power source
d)
d. inspect them for cracks
119.
Glass is a good conductor.
a)
True
b)
False
120.
What is current measured in?
a)
Amperes
b)
Volts
c)
Ohms
d)
Watts
121.
Plastic is an example of a good __________.
a)
Insulator
b)
Conductor
c)
Semiconductor
d)
Voltage source
122.
Name this electrical component
a)
Jump Wire
b)
Fixed Resistor
c)
Solderless Bread Board
d)
Diode
123.
Name this electrical component
a)
Jump Wire
b)
Fixed Resistor
c)
Battery
d)
Diode
124.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
125.

The power formula is

a)

Power = Current - Voltage

b)

Power = Current + Voltage

c)

Power = Current x Voltage

d)

Power = Current x Resistance

126.
a)
You lose the prize
b)
You lose
c)
You win
d)
You win the prize
127.
 Evaluate (to true or false) each of the following expressions:
14 >= 14
15 > 15
16 != 16
18 >= 19
a)
T, F, F, F
b)
T, T, T, T
c)
F, T, F, F
d)
F, T, T, F
128.
Given, "If angles are congruent, then the measures of the angles are equal." Identify the inverse.
a)
If the measures of the angles are equal, then the angles are congruent.
b)
"If angles are not congruent, then the measures of the angles are not equal."
c)
If the measures of the angles are not equal, then the angles are not congruent.
d)
If the angles are not congruent, then the measure of the angles are equal.
129.

What type of robot operates on a coordinate plane of left/right, forward/back, up/down?

a)

Upsidowny-Leftyrighty

b)

Cartesian (linear)

c)

Spherical

d)

HK (Hunter Killer bot)

130.

Select the machine which does not use hydraulics.

a)
b)
c)
d)
131.
what is this symbol for?
a)
light bulb
b)
cell
c)
battery
d)
resistor
132.
5,280 feet = 1 _____
a)
yard
b)
mile
c)
inch
d)
gallon
133.
1 yard= ____ feet
a)
4
b)
2
c)
12
d)
3
134.

Convert

100oC100^oC  to Kelvin

a)

373 K373\ K  

b)

273 K273\ K  

c)

212 K212\ K  

d)

0 K0\ K  

135.

Convert

450 K450\ K  to Celsius

a)

723oC723^oC  

b)

277oC277^oC  

c)

177 oC177\ ^oC  

d)

623oC623^oC  

136.

What is the boiling point of water on the Fahrenheit scale?

a)

0oF0^oF

b)

373oF373^oF

c)

100oF100^oF

d)

212oF212^oF

137.

What is the boiling point of water on the Celsius scale?

a)

0oC0^oC

b)

373oC373^oC

c)

100oC100^oC

d)

212oC212^oC

138.

What is the boiling point of water on the Kelvin scale?

a)

0K0^{ }K

b)

373K373^{ }K

c)

100K100^{ }K

d)

212K212^{ }K

139.

What is the freezing/melting point of water of the Fahrenheit scale?

a)

−273oF-273^oF

b)

0oF0^oF

c)

32oF32^oF

d)

273oF273^oF

140.

What is the freezing/melting point of water of the Celsius scale?

a)

−273oC-273^oC

b)

0oC0^oC

c)

32oC32^oC

d)

273oC273^oC

141.

Convert 35⁰F to Celsius (5/9 x (0F - 32))

a)

1.6⁰

b)

1.7⁰C

c)

2.0⁰

d)

16.6⁰C

142.

Convert 30°C to Fahrenheit (1.8 x 0C) + 32

a)

860°F

b)

86°F

c)

63.8°F

d)

56°F

143.

Convert -30°C to Fahrenheit (1.8 x 0C) + 32

a)

-22°F

b)

22°F

c)

-55°F

d)

1.1°F

144.

How many milliliters are in a 2 liter?

a)

2

b)

20

c)

200

d)

2000

145.

How many grams are in 5 kilograms?

a)

5

b)

50

c)

500

d)

5000

146.

2000 mg = ? g

a)

5

b)

2

c)

8

d)

6

147.
Convert:
21 min = _______ sec
a)
210
b)
21
c)
1,260
d)
260
148.

1 μm\mu m is the same as

a)

x10−3mx10^{-3}m  

b)

x10−6mx10^{-6}m  

c)

x10−9mx10^{-9}m  

d)

x10−12mx10^{-12}m  

149.

Which is true of robot operating envelopes and work envelopes?

a)

The operating envelope fits inside the work envelope.

b)

The work envelope fits inside the operating envelope.

150.

A robot with 3 rotary joints will have a:

a)

cartesian work envelope

b)

cylindrical work envelope

c)

partial spherical work envelope

d)

full spherical work envelope

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