For each question below, click on the circle next to the correct answer. When you have finished the test, Click the 'Score My Exam' button at the bottom of the page. Good luck!!

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

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 A7
What is the maximum allowable weight for a High Power Rocket permitted per NFPA 1127?
A. 400 pounds
B. There is no limit provided the rocket weighs less than 1/3 of the average certified thrust of the motors intended to be ignited at launch
C. 100 pounds
D. 3069 pounds

Question A8
What is the minimum age for user certification? [Note: Excludes NAR Jr. HPR program]
A. 18 years old
B. 21 years old
C. 16 years old
D. 25 years old

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 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 B2
What does the "100" in the motor designation H100-5 stand for?
A. It is the manufacturer's retail price code
B. It is the average thrust in Newtons of the rocket motor
C. It is the rocket motor burn time in seconds
D. It is the peak thrust in pounds 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. Newtons
C. Newton-seconds
D. Newtons per second

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 C5
The FAA has granted a waiver for high power rocket flight to 18000 feet for your event. Flights up to that altitude are expected. What is the minimum launch site dimension?
A. 18,000 feet
B. 4500 feet
C. 1800 feet
D. 9000 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. 1/4, 2500 feet
B. 1/4, 1500 feet
C. 1/2, 1500 feet
D. 1/2, 2500 feet

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

Question C14
Which of the following igniters may be ignited by the continuity test of some launch controllers?
A. Nichrome wire
B. Flashbulbs
C. Very low current electric matches
D. Both "B" and "C" above

Question C22
Which of the following adhesives is the best choice for motor mount construction using phenolic motor tubes?
A. Aliphatic resin based glues
B. Cyanoacrylate glues (super glue)
C. Slow-curing epoxy adhesives
D. "Hot melt" adhesives

Question C26
Why should composite motors be ignited first in a mixed composite and black powder cluster?
A. The exhaust products from black powder motors prevent composite motor ignition
B. Composite motors are more likely to "cato" than black powder motors
C. Composite rocket motors are more powerful than black powder motors
D. Composite motors are more difficult and take longer to ignite

Question C27
If individual igniters are used for igniting a clustered model's motors, which of the following statements is typically true:
A. The launch control must provide additional current to ignite the additional igniters
B. The launch control must provide higher voltage to ignite the additional igniters
C. The launch control must have an audible as well as visual indication of igniter continuity.
D. The launch control must use a car battery as a power source

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 Launch Control Officer (LCO)
B. The safety monitor's (RSO) decision cannot be overturned by anyone
C. The individual who "checked-in" the model
D. Three certified high power fliers who agree the model is safe

Question C32
Parachute ejection systems that sense barometric pressure for activation need a vent to the outside in their compartment because:
A. This hole vents internal air pressure as the rocket gains altitude to prevent internal air pressure from prematurely separating the model
B. This hole allows excessive ejection charge pressures to vent
C. The hole is used to sample air pressure outside the rocket's airframe
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 C35
Parachute ejection systems that sense barometric pressure can malfunction during supersonic flight because:
A. Aerodynamic heating changes the values of electronic components.
B. The outside pressure distribution is not continuous around the model.
C. Static discharges will "zap" sensitive electronic components.
D. Both answers "A" and "B" 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. 10 feet
B. 50 feet
C. 75 feet
D. 30 feet

Question C39
What is the distance around a launcher for a rocket using a 3-motor cluster of J motors that must be cleared of easy to burn material, assuming the motors aren't "sparky?"
A. 50 feet
B. 10 feet
C. 30 feet
D. 75 feet

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

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

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. You can fly in winds up to about 6 miles an hour, if you have the pads at the upwind edge of the field
D. This field can only be used in calm winds for flights to the waiver altitude

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 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. Check the skies to ensure no aircraft are in the area
C. Run an additional simulation to ensure the rocket and motor are a safe combination
D. Touch the igniter clips together to test for sparks in case the launch system is still accidentally energized

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 C60
Which sequence below provides the highest level of range safety when launching a rocket utilizing an onboard electronically actuated recovery system?
A. Arm recovery system electronics, install igniter, touch igniter clips together, connect clips to igniter
B. Install igniter, touch igniter clips together, connect clips to igniter, arm recovery system electronics
C. Install igniter, arm recovery system electronics, touch igniter clips together, connect clips to igniter
D. None of the above

Question D1
For a rocket to be stable which of the following statements is true?
A. The center of pressure (CP) must be in front of the center of gravity (CG)
B. The length of the body tube must be at least 5 times the model diameter
C. The rocket must have fins
D. The center of pressure (CP) must be behind the center of gravity (CG)

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. "Cardboard cutout" method
D. Center of pressure "Barrowman" equations

Question D5
An unstable rocket can usually be made more stable by:
A. Using a larger, heavier rocket motor
B. Increasing the rocket diameter
C. Using a shorter nosecone
D. Increasing the size of the aft fins

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