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RECF Fund Review
RECF Fund Review
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Tech 1 Review
Flashcards
90 cards
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Practice quiz
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Questions
90
Answers
1
What is the most plentiful metal on Earth?
Platinum
Iron
Aluminum
Steel
2
Liquids are basically non-compressible but they will...
Expand at different rates when heated
All expand at the same rate
Boil at 100 C
Expand more than compressed nitrogen when heated
3
Which of these processes converts knowledge into a physical form?
Development
Time management
Research
Testing
4
In an
Engineering Notebook
, all entries must be written in...
print
pencil
cursive
ink
5
Class “
A
” fires are of what type?
Flammable petroleum products.
Ordinary combustible material.
Fires involved with energized electrical equipment.
Fires involved with flammable metals.
6
The 3 things necessary for the transmission & reception of sound are a
source
, a
medium
for carrying & ...
an amplifier
a detector
klystron
vibration
7
What does the Power Plant provide to the aircraft?
Lift
Gravity
Drag
Thrust
8
In the
metric
system, the unit of work is the ...
Joule
Kilogram
Watt
Newton
9
3D Printing
an object is an example of what kind of Rapid Prototyping?
Casting
Additive
Subractive
Virtual
10
What unit is used to measure electrical
power
?
Watt
Ohm
Ampere
Volt
11
Boyle’s Law
states in part ...
if the temperature goes down, the volume will go up.
transfer of heat is by the movement of the warmed matter.
if temperature goes up, the volume will go up.
when the volume of a confined gas changes, the pressure inversely changes.
12
An
Isometric Projection
is a method for visually representing a ...
front view of an object
three-dimensional view of an object
side view of an object
top view of an object
13
Which of the following species of wood are classified as a conifer?
Poplar
Maple
Ash
Spruce
14
Charles Law
states in part ...
when the volume of a confined gas changes, the pressure inversely changes.
if the temperature goes up, the volume will go up.
transfer of heat is by the movement of the warmed matter.
if the temperature goes down, the volume will go up.
15
In the following graphic, what is "
B
"?
Manipulator
Shoulder
Wrist
Elbow
16
What is
Absolute Zero?
-273C
-100C
-460K
-460R
17
What is typically contained in a
red
compressed gas bottle?
fire fighting agent
helium
aviators breathing oxygen
acetylene
18
Which of these materials is unlikely to be used for modern jewelry?
Silver
Lead
Gold
Platinum
19
An understanding of __________ is necessary to interpret logic flow charts.
Ohm's Law
logic Symbols
Kirchoff's Law
quality control
20
In the following graphic, what is "
C
"?
Wrist
Manipulator
Shoulder
Elbow
21
What type of drawing is pictured Below?
Block Diagram
Interconnecting Diagram
Electrical Schematic
Pictorial Electrical Diagram
22
Newton’s First Law
states..
the velocity of an object changes when it is subjected to an external force
increase in the speed of a fluid occurs with a decrease in pressure.
for every action there is an equal and opposite reaction.
every object will remain at rest or in motion unless acted upon.
23
Class “
D
” fires are of what type?
Ordinary combustible material.
Flammable petroleum products.
Fires involved with energized electrical equipment.
Fires involved with flammable metals.
24
Pneumatics systems require __________.
Carbon Dioxide
Nitric Oxide
fluids such as oil or water to operate
a compressor
25
Civil Engineers design ...
Computer Systems
Aircraft Engines
Electrical Power Grids
Air Port Facilities
26
The
Empennage
consists of a
vertical stabilizer
;
horizontal stabilizer
;
elevator
;
rudder
; and _________ :
Flaps
Wings
Aileron
Trim Tabs
27
The 2 factors involved in work are,
force
& ...
movement through distance
temperature.
elapsed time.
torque
28
Robots that run by themselves without human control must utilize __________.
micro-controller and autonomous programming
optical shaft encoders
transmitter and micro-switches
holonomic drive
29
Identify this simple machine.
3rd Class Lever
1st Class Lever
2nd Class lever
4th Class Lever
30
What are the 2 main types of aircraft power plants?
Jet, reciprocal
Inline, reciprocal
Jet, transverse
Transverse, inline
31
Robots that run by themselves without human control must utilize __________.
micro-controller and autonomous programming
transmitter and micro switches
a holonomic drive
optical shaft encoders
32
Who is credited with the piloting the first controlled, powered aircraft flight?
Charles Lindberg
Amelia Earhart
Wilbur Wright
Orville Wright
33
The
Mechanical Advantage
of a machine is __________.
the distance the output moves divided by the distance the input moves
the distance the input moves divided by the distance the output moves
always greater than or equal to 1
the input force divided by the output force
34
One application of a thermal system is in ...
food preservation
water filtration
weight management
weather prediction
35
Wood veneers are typically used to...
... cover roofing.
... cover outdoor decking.
... cover less desirable woods.
... cover wall framing.
36
The horizontal movement of the rotor blades forward along a vertical hinge as the helicopter is advancing is known as...
Lead
Stall
Stagnate
Lag
37
Newton’s Third Law
states...
increase in the speed of a fluid occurs with a decrease in pressure.
for every action there is an equal and opposite reaction.
every object will remain at rest or in motion unless acted upon.
the velocity of an object changes when it is subjected to an external force
38
What is the device that is used on aircraft to determine airspeed?
Nautical Mile Marker
Pitot Static System
TACAN
Tachometer
39
Who was the first aviator to fly solo across the Atlantic?
Charles Lindberg
Amelia Earhardt
Eddie Rickenbacker
Dale Earnhardt
40
Boiling point of a liquid varies ___________ with pressure.
indirectly
proportionately
not at all
disproportionately
41
Hydraulics systems require __________.
fluids such as oil or water to operate
Carbon Dioxide
a compressor
Nitric Oxide
42
What was the “
child’s toy
” that allowed inventers and scientists to unlock the secrets of lift?
bicycle
Spinning top
Kite
Stick & hoop
43
The junction of the wing and fuselage is the ...
aspect ratio
wing root
wing base
aspect base
44
In which of the following settings would wearing safety eye wear
NOT
be necessary?
When using power tools
When on the manufacturing floor
Assembling a product
When using the copy machine
45
What units are used to measure
Electromotive Force
?
Ohms
Watts
Amperes
Volts
46
Class “
B
” fires are of what type?
Fires involved with energized electrical equipment.
Flammable petroleum products.
Fires involved with flammable metals.
Ordinary combustible material.
47
Which of the physics gas laws explain
Partial Pressure
?
Dalton's Law
Charles' Law
General Gas Law
Boyle's Law
48
What is the definition of
Heat Conduction
?
Transfer of heat from molecule to molecule by actual contact.
Transfer of heat by the movement of the warmed matter.
The amount of agitation can be measured by a scale called temperature.
Emission of energy from the surface of all bodies.
49
A new efficient electric vehicle would be designed by ...
a team of engineers from many disciplines working together.
a mechanical engineer.
an electrical engineer.
a chemical engineer.
50
In the acronym
STEAM
,
what does the "A" stand for?
Aviation
Academy
Arts
Academic
51
Energy that can be stored is ...
potential energy
latent energy
available energy
kinetic energy
52
Identify the simple machine in the graphic
2nd Class Lever
3rd Class lever
4th Class Lever
1st Class Lever
53
The pulley arrangement shown below will provide a:
1:4 Mechanical Advantage
4:2 Mechanical Advantage
2:4 Mechanical Advantage
4:1 Mechanical Advantage
54
The hardness of steel can be increased by which of the following methods?
Sintering
Stretching
Carbon Extraction
Smelting
55
What year did Orville & Wilbur Wright first achieve controlled, powered flight?
1913
1903
1898
1907
56
Which of these is not a common programming language?
Clingonian
Java
Perl
Fortran
57
Describe the shape and volume of a liquid.
indefinite shape, indefinite volume
indefinite shape, definate volume
definite shape, definite volume
definite shape, indefinite volume
58
Power
, simply put is...
...speed in relation to time
...work in relation to time
...time in relation to speed
...force in relation to time
59
Convert the binary number 11
2
to Base 10
5
2
3
4
60
In fluid dynamics,
Bernoulli's Principle
states...
increase in the speed of a fluid occurs with a decrease in pressure.
the velocity of an object changes when it is subjected to an external force
for every action there is an equal and opposite reaction.
every object will remain at rest or in motion unless acted upon.
61
Which of these is not a programming language?
C
C#
C+
C++
62
When
HTTPS
appears in a web address bar, it means what?
A secure connection
High Speed
A plural address
An error must have occured
63
What are the two basic forms of
Stress
?
Tension, thermal
Thermal, compression
Tension, compression
Compression, concussion
64
Which of the following is
not
a temperature scale used in
Aviation Physics
?
Laten
Celsius
Kelvin
Rankine
65
Convert
100
°Celsius to °Fahrenheit
32°F
432°F
-32°F
212°F
66
What units are used to measure
Electrical Resistance
?
Volts
Ohms
Watts
Amperes
67
Aerospace
engineers...
...design aircraft and aircraft systems.
... develop software to run mechanical components.
... design bridges, roadways, and dams.
...design electrical power systems.
68
Pre-stressed concrete is concrete that is ...
used in areas for heavy loads to allow bending and flexing
flexable and fluid
cured under high pressure atmospheric conditions
cured under high-heat atmospheric conditions
69
What type of tree is a Pine
Conifer
Equus
Domus
Deciduous
70
What is the types of tree in the graphic?
Hydroponix
Saccharum
Deciduous
Conifer
71
How is the number 3 expressed in Base 2 (Binary)?
100
010
011
001
72
Good Housekeeping practices are not essential for safety.
False
True
73
Typical Landing Gear consists of two or more Main Mounts, and a:
Retractable slide
Tail mount
Nose mount
Tail hook
74
Identify this element
Aluminum
Oxygen
Hydrogen
Helium
75
Add .5 + 1/2?
1.0
.5/8
.666
2/3
76
What direction should the
blade teeth
on a bandsaw face?
Opposite of the direction of rotation
Up
Depends on the material being cut
Down
77
A body in motion is said to have what kind of energy?
Electical
Kinetic
Potential
Randomized
78
What is the rotor configuration of the aircraft in the graphic?
Counter rotating
Dual
Concentric
Tandem
79
The pully arrangement shown below will...
... reduce effort by 50 percent
... change the direction of the pull
... reduce effort by 100 percent
increase effort by 50 percent
80
Which of these materials is safe to touch with a bare hand?
Iron
Arsenic
Asbestos
Mercury
81
Which of the following is not stress, but he result of stress?
Strain
Shear
Torsion
Bending
82
Where is the safest place to stand when operating a band saw?
To the Right of the machine
To the left of the machine
Behind the machine
Directly in front of the machine
83
Which of the following choices of footwear would be the safest to wear in a workshop, manufacturing area, or lab?
sneakers
high heals
flip-flops
work boots
84
What is the axis that runs fore and aft of the aircraft nose to tail through the fuselage?
Vertical
Longitudinal
Horizontal
Lateral
85
In the following graphic, what is "
A
"?
Manipulator
Wrist
Elbow
Shoulder
86
Identify the simple machine in the graphic
Wedge
1st Class Lever
Inclined Plane
Force Divider
87
What is the air pressure at sea level on a
Standard Day
?
59
14.7
1013
29.92
88
Thermal expansion takes place what type of substances?
Solids
Liquids
Gases
All substances
89
Bernoulli’s Principle
states that …
as velocity increases pressure decreases.
as velocity increases pressure increases.
as velocity decreases pressure decreases.
velocity directly affects pressure.
90
According to the Second
Law of Thermodynamics
, __________.
entropy will increase forever
everything in the universe will eventually reach absolute zero
entropy is always decreasing
everything in the universe will eventually be the same temperature