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Question A1
Which of the following National Fire Protection Association standards provides a code for high power rocketry?
A. NFPA 1122
B. NFPA 1124
C. NFPA 1127
D. NFPA 1125

Question A5
Which of the following is a requirement for High Power Rocket Motor User Certification [Note: Excludes NAR Jr. HPR Participation Program]:
A. A minimum of 18 years of age
B. The ability to understand written English instructions
C. A citizen of the United States of America
D. No felony convictions

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 A14
You're attending a launch that has a thin (but see-through) cloud layer at ~3,000 feet and clear blue skies above it. Is it okay to "punch" through this cloud layer with a High Power Rocket if there's a Certificate of Waiver or Authorization (COA) granting Class 2 flights up to 6,000 feet?
A. Yes, since there is an active COA, High Power Rockets can be flown up to the 6,000 foot altitude limit
B. No, flights into any clouds are prohibited unless specifically waived by the FAA
C. Yes, as long as the cloud layer can barely be seen through and the RSO allows it
D. Both "A" and "C" above

Question A16
Which of the following statements are true concerning the definition of a High Power Rocket Motor?
A. Total impulse is less than 81,920 Newton-seconds
B. The total impulse is more than 160 Newton-seconds
C. The motor must use either fiberglass or metal case materials
D. Both A and B above

Question A17
Which of the following (hypothetical) rocket motors is NOT a High Power Rocket Motor?
A. An F90 with 40 grams of propellant
B. An H60 with 62 grams of propellant
C. A G35 with 66 grams of propellant
D. All of the above are High Power Rocket Motors

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 A22
According to NFPA 1127, the definition of a High Power Rocket is a rocket vehicle that:
A. Is propelled by one or more High Power Rocket motors
B. Is propelled by a combination of model rocket motors having an installed total impulse of more than 320 Newton-seconds or a combination of model rocket motors having more than a total of 125 grams (4.4 ounces) of propellant weight
C. Weighs more than 1500 grams (53 ounces or 3.3 pounds) with motor(s) installed
D. All of the above

Question B3
What does the "5" in the motor designation H100-5 stand for?
A. It is the peak thrust (in kilograms) of the rocket motor
B. It is the rocket motor burn time
C. It is the average thrust of the rocket motor
D. It is the ejection charge delay time

Question B5
What is the maximum total impulse for a "J" rocket motor?
A. 320.00 Newton-seconds
B. 640.00 Newton-seconds
C. 1280.00 Newton-seconds
D. 2560.00 Newton-seconds

Question B9
The manufacturer's test data shows an average thrust of 100 Newtons for 6 seconds for your motor. What impulse class does your motor represent?
A. "K"
B. "I"
C. "J"
D. "H"

Question C1
What is the maximum launch angle, measured from vertical, for a high power rocket?
A. 10 degrees
B. 15 degrees
C. 20 degrees
D. 25 degrees

Question C2
What is the maximum wind velocity allowable for launch operations?
A. 20 miles per hour
B. 15 miles per hour
C. 30 miles per hour
D. 25 miles per hour

Question C8
Your launch site borders on an interstate freeway. What is the minimum distance allowable for location of a high power launch pad from the interstate freeway?
A. 5280 feet (1 mile)
B. 1500 feet
C. 3000 feet
D. 750 feet

Question C16
Which of the following is most likely to cause catastrophic failure of a black powder rocket motor?
A. High altitude
B. Vibration
C. Temperature cycling
D. Electromagnetic fields

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

Question C28
What is (are) the advantages of using a "relay" type launch control?
A. It is cheaper than a non-relay launch control
B. The relay allows a better indication of igniter continuity
C. It can deliver more power to the rocket motor igniters
D. Both "B" and "C" above

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 lose their lubricating properties when exposed to oxygen or nitrous oxide
C. The lubricant can promote corrosion of the metal components in the presence oxygen or nitrous oxide
D. They thicken when exposed to oxygen or nitrous oxide

Question C30
Which of the following safety hazards may be associated with hybrid rocket motors?
A. Low temperatures (frostbite)
B. High pressure gas
C. Corrosive materials
D. High pressure gas, low temperatures (frostbite)

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 vents internal air pressure as the rocket gains altitude to prevent internal air pressure from prematurely separating the model
C. This hole allows excessive ejection charge pressures to vent
D. The hole allows easy verification that the battery is installed

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 C38
What is the distance around a launcher for a "J" powered model that must be cleared of easy to burn material, assuming the motor isn't "sparky?"
A. 50 feet
B. 10 feet
C. 75 feet
D. 30 feet

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

Question C44
The kinetic energy of a descending rocket is a function of:
A. Its mass times the square of its velocity
B. Its mass
C. Its velocity
D. Its mass times its velocity

Question C45
You have an excellent flying field, except that when the winds are from the northwest at over 10 mph, rockets often drift into neighboring fields where you don't have permission to fly. Your alternatives include:
A. Limit flights to lower altitudes so rockets stay on the field
B. Move the launch pad closer to the NW edge of the field, provided there are no roads or houses within 1500 feet
C. Don't fly on days with problematic winds
D. All of the above

Question C47
What equipment is required at launch sites?
A. Fire suppression devices, First aid kits, and a way of communicating with everyone on the launch site
B. Fire suppression devices and First aid kits
C. First aid kits
D. Fire Suppression devices such as fire extinguishers

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 C52
According to NFPA 1127, which of the following are prohibited activities for participants prepping or launching high power rockets and for spectators in the prepping areas?
A. Consumption of alcohol
B. Use of medication that could affect judgment, movement, or stability
C. Both "A" and "B" above
D. None of the above

Question C53
According to NFPA 1127, High Power Rocket motors, motor reloading kits, and pyrotechnic modules shall be stored at least __________ away from smoking, open flames, and other sources of heat.
A. 10 feet
B. 50 feet
C. 25 feet
D. 75 feet

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

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 resists electromagnetic interference from internal and external sources
B. It improves the routing of wire bundles
C. It reduces resistance in wire bundles
D. It reduces strain on solder joints

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 D3
Rocket stability can be estimated by:
A. Determining the relative positions of the center of pressure and center of gravity
B. Stability cannot be estimated before a test flight.
C. Center of pressure "Barrowman" equations
D. "Cardboard cutout" method

Question D4
A rocket's center of pressure can be estimated by:
A. The "Barrowman" method
B. Finding the point where the model balances
C. "Cardboard cutout" method
D. Both "A" and "C" 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 E1
What is the airspeed velocity of an unladen swallow?
A. Mach 1
B. African or European?
C. c
D. 1 furlong per fortnight