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WorksheetsC02 Car Dragster @ EB
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
The study of the motion of fluids (air) on objects and the forces created.
a)
Pneumatics
b)
Aerodynamics
c)
Revolutions per minute
d)
Effects of gravity
2.
The movement of air around the chassis of the race car.
a)
Wind tunnel
b)
Airflow
c)
Pneumatics
d)
Hydraulics
3.
Mechanical device for lessening the friction or a machine part in which
another part turns or slides on
another part turns or slides on
a)
Oil pump
b)
Piston
c)
Air foil
d)
Bearings and bushings
4.
States that the pressure of a fluid (liquid or gas), decreases as the fluid (liquid or gas),
flows faster.
flows faster.
a)
Bernoulli Effect
b)
Air foil
c)
Barometric pressure
d)
Lubrication
5.
A stage used in the design and problem-solving process to generate a number and
variety of ideas in a noncritical atmosphere.
variety of ideas in a noncritical atmosphere.
a)
Design loop
b)
Brainstorming
c)
Process of elimination
d)
Aerodynamic design
6.
CAD: a precision-drawing software program that
speeds up the design process by making it easier to create and modify digital drawings.
speeds up the design process by making it easier to create and modify digital drawings.
a)
Computer Added Documents
b)
Computer-Aided Design
c)
Controller And Designer
d)
Computer Assisted Documents
7.
CAM; the operation of a machine controlled by a host
computer.
computer.
a)
Computer-aided manufacturing
b)
Computer-aided mining
c)
Computer-aided milling
d)
Controller-aided manufacturing
8.
Refers to all mechanical parts of the car attached to the structural frame.
a)
Engine
b)
Windshield
c)
Chasis
d)
Transmission
9.
A record of the development of a project from inception to completion.
a)
Sketches
b)
Design portfolio
c)
Reverse engineering
d)
Calender event
10.
A planning and decision-making process that produces a solution.
a)
Trial and error
b)
Escape and evade
c)
Reverse engineering
d)
Design Process
11.
A vertical force directed downward, produced by airflow around an object. Downforce is generated from
the front and rear wings and the venturi tunnels on a ground effect car.
the front and rear wings and the venturi tunnels on a ground effect car.
a)
Downforce
b)
Tornado effect
c)
Hydraulics
d)
friction
12.
Force acting on an object in motion through a fluid (in this case air) in an opposite
direction to the objects (chassis) motion, produced by friction.
direction to the objects (chassis) motion, produced by friction.
a)
Friction on axels
b)
Cyclonic effect
c)
Drag
d)
Underinflated tires
13.
Using fluids to transmit and regulate the forces in a machine or device
a)
Transmission fluid
b)
Hydrualics
c)
Internal combustion engine
d)
Laminar flow
14.
A certain type of air flow means the fluid is moving in smooth layers around the object. Air flow
becomes turbulent moving from the front to the rear of the car, forced around obstructions such as
mirrors, helmets, and rollbars.
becomes turbulent moving from the front to the rear of the car, forced around obstructions such as
mirrors, helmets, and rollbars.
a)
Vortex
b)
Turbulent
c)
Laminar
d)
Venturi effect
15.
The upward reaction of an aircraft to the flow of air forced over the shape of the wing
(airfoil). The front and rear wings of ground effect cars are shaped like inverted wings to create downforce
or negative lift.
(airfoil). The front and rear wings of ground effect cars are shaped like inverted wings to create downforce
or negative lift.
a)
Pnuematics
b)
Friction
c)
Lubrication
d)
Lift
16.
A body structure that derives its strength and rigidity from unitized construction, rather than a framework
of thick members.
of thick members.
a)
Stamped metal
b)
Square tubing
c)
Frame and panel
d)
Monocoque
17.
Using air or gas pressure to operate mechanical devices.
a)
Pnuematic
b)
Hydraulic
c)
Laminar flow
d)
Aerodynamics
18.
A model used to test and evaluate a design before final production.
a)
Finished sketch
b)
Prototype
c)
Working drawings
d)
Model
19.
_______________ Drawings that contain the detailed information required to produce an object or system (e.g.,
measurement, scale, material, finishing information).
measurement, scale, material, finishing information).
a)
Technical drawings
b)
Detail drawings
c)
Portfolio
d)
Sketch
20.
____________airflow is when the fluid streamlines break into eddies and complex changing patterns. This
can cause unstable forces on an object. As the airflow moves from the front of the car to the rear it
becomes turbulent.
can cause unstable forces on an object. As the airflow moves from the front of the car to the rear it
becomes turbulent.
a)
Turbulent
b)
Friction
c)
Drag
21.
A tube like structure where wind is produced usually by a large fan to flow over the test object. The
object is connected to instruments that measure and record aerodynamic forces that act upon it.
object is connected to instruments that measure and record aerodynamic forces that act upon it.
a)
Venturi
b)
Round Tubing
c)
Windtunnel
d)
Carburetor
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