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Question A2
What part of the Federal Aviation Regulations govern rocket activity?
A. Part 95
B. Part 125
C. Part 101
D. Part 97

Question A3
What is the maximum launch weight allowable for a rocket which does not require a FAA Certificate of Waiver or Authorization (COA)?
A. 4 ounces (113 grams)
B. 3.3 pounds (1500 grams)
C. 1 pound (453 grams)
D. 4.4 ounces (125 grams)

Question A4
What is the maximum propellant weight allowable for a rocket which does not require a FAA Certificate of Waiver or Authorization (COA)?
A. 1 pound (453 grams)
B. 4.4 ounces (125 grams)
C. 4 ounces (113 grams)
D. 3.3 pounds (1500 grams)

Question A6
What is the maximum total impulse permitted in a high power rocket per NFPA 1127?
A. 20,480 Newton-seconds
B. There is no impulse limit provided the altitude requirements listed in the FAA Certificate of Waiver or Authorization (COA) are not exceeded
C. 40,960 Newton-seconds
D. 81,920 Newton-seconds

Question A9
Which of the following characteristics does NOT meet the definition of a High Power Rocket Motor?
A. Propellant weight greater than 125 grams
B. Total impulse is more than 160 Newton-seconds
C. The motor uses a "composite" propellant
D. Average thrust greater than 80 Newtons

Question A13
Which of the following statements is always true concerning the definition of a hybrid rocket motor?
A. The fuel component is composed of either paper or plastic
B. The fuel is in a different physical state (solid, liquid, or gaseous) than the oxidizer
C. The oxidizer component is nitrous oxide
D. Both "A" and "C" above.

Question A15
You are attending a launch where the sky is almost completely obscured by clouds at 5,000 feet except for a ~1,000 foot wide "hole" directly over the launch pads. Is it okay to launch a High Power Rocket to 6,000 feet if there’s a Certificate of Waiver or Authorization (COA) granting Class 2 flights up to 8,000 feet?
A. Yes, as long as the High Power Rocket stays within the cloud opening
B. No, the five-tenths coverage and horizontal visibility limitations apply
C. Yes, as long as the RSO approves the launch and the COA is active
D. Both "A" and "B" above.

Question A18
What information does FAA FAR 101.29(a) require you to provide when filing for FAA Launch Authorization?
A. Estimated number of rockets and type of propulsion (liquid or solid), fuel(s) and oxidizer(s)
B. Description of the launcher(s) planned to be used, including any airborne platform(s) and description of recovery system
C. Highest altitude, above ground level, expected to be reached, launch site latitude, longitude, and elevation, and any additional safety procedures that will be followed
D. All of the above

Question A19
Which of the following are operating limitations for Class 2 High Power Rockets per the FAA's FAR 101 Regulations?
A. At any altitude where clouds or obscuring phenomena of more than five-tenths coverage prevails
B. At any altitude where the horizontal visibility is less than five miles
C. Into any cloud
D. All of the above

Question A20
According to NFPA 1127, a High Power Rocket shall only be launched if:
A. It contains any combination of motors having 40,960 Newton-secondsof total impulse or less
B. It contains a recovery system that is designed to return all parts to the ground intact and at a landing speed which the rocket does not present a hazard
C. It utilizes an electronically actuated recovery system as either a primary or backup deployment method if the installed total impulse is greater than 2560 Newton-seconds
D. All of the above

Question B1
What does the "H" in the motor designation H100-5 stand for?
A. It is the first letter in the manufacturer's name
B. It indicates that the motor uses black powder as a propellant
C. It indicates the total thrust of the rocket motor
D. It indicates the total power range or impulse range of the rocket motor

Question B4
What are the units of measurement for the "100" in the motor designation H100-5?
A. feet per second
B. Newton-seconds
C. Newtons
D. Newtons per second

Question B6
Assuming that each motor has the full allowable impulse, how many "H" motors have the same total impulse as a single "J" motor?
A. 3
B. 2
C. 4
D. 1

Question C3
The minimum launch site dimension for your field is 1500 feet. Assuming no public highways or occupied buildings in the area, what is the minimum distance between the launch site boundary and the launcher for a 320 Newton-second motor?
A. 750 feet
B. 320 feet
C. The launcher may be located anywhere on the launch site to compensate for wind
D. 100 feet

Question C7
Except as provided in NFPA 1127 Paragraph 4.14.2(3), in no case shall the minimum launch site dimension be less than __________ the estimated altitude of the high power rocket or __________.
A. 1/2, 1500 feet
B. 1/4, 2500 feet
C. 1/2, 2500 feet
D. 1/4, 1500 feet

Question C11
What is the minimum safe distance from a high power rocket containing a single "I" motor?
A. 200 feet
B. 50 feet
C. 100 feet
D. 75 feet

Question C12
What is the minimum safe distance from a high power rocket containing three (3) "H" motors?
A. 100 feet
B. 50 feet
C. 200 feet
D. 75 feet

Question C17
Unless the motor manufacturer instructs otherwise, igniters for clustered rocket motors should be wired together in:
A. Short Circuit
B. Open
C. Series
D. Parallel

Question C18
When should igniters installed in rocket motors be checked for continuity?
A. Only in an enclosed shelter
B. Any time
C. Igniters should never be checked for continuity while installed in a rocket motor
D. Only on the launch pad when ready for launch

Question C20
Which of the following adhesives should not be used on rubber (or elastic) shock cord components?
A. White "Elmer's" glue
B. Cyanoacrylate glues (super glue)
C. Slow-curing epoxy adhesives
D. Aliphatic resin-based (yellow) glues

Question C23
The centering rings provided with your high power kit are a loose fit around the phenolic motor tube. Which of the following adhesives is the best choice for a strong joint?
A. Aliphatic resin based glues
B. Cyanoacrylate glues (super glue)
C. Slow-curing epoxy adhesives
D. "Hot melt" adhesives

Question C24
A small hole is typically recommended near the top, but below the nosecone or payload section shoulder, of a high power rocket's booster section. Why?
A. This hole allows excessive ejection charge pressures to vent to reduce shock cord stress
B. The hole is used to give air pressure readings for on board altimeters prematurely separating the model
C. The hole vents internal air pressure as the rocket gains altitude to prevent internal air pressure from prematurely separating the model
D. The hole allows easy verification that a parachute is installed

Question C25
When clustering combinations of black powder and composite motors, which type of rocket motor should be ignited first?
A. Clusters should never mix composite and black powder motors
B. Black powder rocket motors should be ignited first
C. Composite rocket motors should be ignited first
D. It does not matter which motors are ignited first

Question C29
Petroleum based lubricants should not be used with the oxygen or nitrous oxide systems used in hybrids. Why?
A. There is a risk of spontaneous ignition or explosion
B. They thicken when exposed to oxygen or nitrous oxide
C. They lose their lubricating properties when exposed to oxygen or nitrous oxide
D. The lubricant can promote corrosion of the metal components in the presence oxygen or nitrous oxide

Question C31
The range safety officer says that your model is unsafe to fly. Who has the authority to overturn this ruling:
A. The individual who "checked-in" the model
B. The Launch Control Officer (LCO)
C. Three certified high power fliers who agree the model is safe
D. The safety monitor's (RSO) decision cannot be overturned by anyone

Question C32
Parachute ejection systems that sense barometric pressure for activation need a vent to the outside in their compartment because:
A. The hole is used to sample air pressure outside the rocket's airframe
B. This hole allows excessive ejection charge pressures to vent
C. This hole vents internal air pressure as the rocket gains altitude to prevent internal air pressure from prematurely separating the model
D. The hole allows easy verification that the battery is installed

Question C34
Which of the following individuals has the ultimate responsibility to ensure that the rocket was built in a safe manner?
A. The launch control officer (LCO)
B. The safety monitor (range safety officer or RSO)
C. The rocket owner/builder
D. All of the above

Question C36
Your rocket was returned from its flight with "zipper" damage where the shock cord tore through the model. What is the most likely cause:
A. Parachute ejection occurred too soon after motor burnout
B. Parachute ejection occurred too late after apogee
C. Parachute ejection occurred at apogee on a vertical flight
D. Both "A" and "B"

Question C37
Your payload section, with heavy payload, separated from your model immediately after motor burnout. What might be the cause?
A. The center of pressure at burnout was behind the center of gravity for the model
B. The payload shoulder was too loose in the body tube
C. The rocket motor had a failure of its delay system
D. Both "B" and "C" are correct

Question C41
What is "titanium sponge?"
A. A substitute for ejection wadding
B. An effective cleaning tool for high power rocket motor casings
C. A lightweight material used in nose cones on supersonic rockets
D. An ingredient used in some rocket motors that causes them to eject sparks in the exhaust

Question C43
According to NAR studies, the vast majority of unsuccessful flights fail because of:
A. Recovery system failures
B. Rockets that are structurally unsound
C. Rocket designs that are unstable
D. Rocket motor malfunctions

Question C48
The Range Safety Officer (RSO) is concerned about your High Power Rocket's stability. Which of the following can be applied to determine the model's stability?
A. Fly a sub-scale, model rocket version of the actual model
B. Perform manual calculations to determine the rocket's Center of Pressure (CP) location and verify the prelaunch Center of Gravity (CG) location
C. Provide simulation data showing the rocket's Center of Pressure (CP) location and prelaunch Center of Gravity (CG) locations
D. All of the above

Question C50
Your field is 1500 x 1500 feet, and your FAA waiver is 3000 feet AGL. If you use parachutes sized to bring your rocket down at 20 feet per second, what is the maximum wind you can fly in for rockets that fly to the waiver altitude?
A. You can fly at 15 mph, if you have the pads at the upwind edge of the field, tilt into the wind and the rocket flies vertically
B. You are limited only by the HPR maximum wind of 20 miles per hour
C. This field can only be used in calm winds for flights to the waiver altitude
D. You can fly in winds up to about 6 miles an hour, if you have the pads at the upwind edge of the field

Question C55
What is a common safety practice to follow just before hooking up the igniter leads to a rocket?
A. Check the skies to ensure no aircraft are in the area
B. Touch the igniter clips together to test for sparks in case the launch system is still accidentally energized
C. Stand next to the rocket for a photograph
D. Run an additional simulation to ensure the rocket and motor are a safe combination

Question C56
An electronically actuated recovery system, as either a primary or backup deployment method, is required if the installed total impulse exceeds:
A. 1280 N-sec
B. 2560 N-sec
C. 5120 N-sec
D. 10240 N-sec

Question C57
Twisted wire pairs in rocket wiring are considered good practice because:
A. It reduces resistance in wire bundles
B. It reduces strain on solder joints
C. It resists electromagnetic interference from internal and external sources
D. It improves the routing of wire bundles

Question C58
Black powder charges for recovery systems can be unintentionally fired by:
A. Electrostatic discharge (static electricity)
B. Electromagnetic fields, e.g. nearby radios
C. Control electronics malfunction
D. All of the above

Question D6
During boost a rocket powered by a solid rocket motor tends to:
A. Have no change in stability
B. Become unstable
C. Become more stable in flight
D. Become less stable in flight

Question D8
As a rule of thumb, how far should the center of pressure be from the center of gravity?
A. The center of pressure should be at the same location as the center of gravity
B. The center of pressure should be 1.0 body tube diameters ahead of the fin leading edge; the center of gravity does not matter
C. The center of pressure should be at least 1.0 body tube diameters behind the center of gravity
D. The center of pressure should be at least 1.0 body tube diameters ahead of the center of gravity

Question D9
The definition of Positive Stability in regards to a rocket is:
A. Where the center of gravity (CG) is located ahead (forward) of the center of pressure (CP)
B. Where the center of gravity (CG) and the center of pressure (CP) lie at the same locations
C. Where the center of gravity (CG) is located behind (aft) of the center of pressure (CP)
D. None of the above

Question E1
What is the airspeed velocity of an unladen swallow?
A. Mach 1
B. African or European?
C. c
D. 1 furlong per fortnight