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 A3
What is the maximum launch weight allowable for a rocket which does not require a FAA Certificate of Waiver or Authorization (COA)?
A. 4.4 ounces (125 grams)
B. 1 pound (453 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 A9
Which of the following characteristics does NOT meet the definition of a High Power Rocket Motor?
A. Average thrust greater than 80 Newtons
B. Propellant weight greater than 125 grams
C. The motor uses a "composite" propellant
D. Total impulse is more than 160 Newton-seconds

Question A12
A person shall fly a high power rocket only in compliance with:
A. NFPA 1127
B. Federal Aviation Administration Regulations, Part 101
C. Federal, state, and local laws, rules, regulations, statutes, and ordinances
D. All of the above

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 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 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 the total power range or impulse range of the rocket motor
C. It indicates that the motor uses black powder as a propellant
D. It indicates the total thrust of the rocket motor

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. 4
B. 2
C. 1
D. 3

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. "H"
B. "K"
C. "J"
D. "I"

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

Question C6
The FAA has granted a waiver for high power rocket flight to 2500 feet for your 2xN clusterpowered rocket. What are the minimum launch site dimensions?
A. 500 feet
B. 4000 feet
C. 1250 feet
D. 1500 feet

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. 3000 feet
C. 1500 feet
D. 750 feet

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

Question C13
What is the minimum safe distance from a high power rocket containing two (2) "K" motors?
A. 500 feet
B. 50 feet
C. 300 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 C16
Which of the following is most likely to cause catastrophic failure of a black powder rocket motor?
A. Electromagnetic fields
B. High altitude
C. Vibration
D. Temperature cycling

Question C19
Which of the following is the preferred method for attaching fins to a high power rocket?
A. Tube surface mounting
B. All fin mounting methods are all equally strong; it does not matter
C. "Wedge" mount
D. "Though the wall" mounting

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. "Hot melt" adhesives
D. Slow-curing epoxy 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. The 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 to reduce shock cord stress
C. The hole is used to give air pressure readings for on board altimeters prematurely separating the model
D. The hole allows easy verification that a parachute is installed

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 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 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 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. 30 feet
B. 50 feet
C. 75 feet
D. 10 feet

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

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

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

Question C46
When should onboard energetics and/or electronic controls be activated and when should they be inhibited?
A. The function of firing circuits and onboard energetics shall be inhibited until the high power rocket is in the launching position, than they can be activated when non-essential personal leave the pad area.
B. When the rocket is in the prep area.
C. Both "A" and "D"
D. The function of firing circuits and onboard energetics shall be inhibited prior to removing the high power rocket from the launching position, and doing so only when non-essential personal are not in the pad area

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 C49
Your high-power rocket lands in a power line. Which of the following is true?
A. You can retrieve it if you have a non-conductive tool, such as a "hot-stick"
B. You can retrieve it if part of it is already on the ground
C. You can retrieve it if the power line is on a wooden (not metal) pole
D. You must leave it alone and you must call the power company

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 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. 25 feet
C. 75 feet
D. 50 feet

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 reduces resistance in wire bundles
C. It improves the routing of wire bundles
D. It reduces strain on solder joints

Question D2
An unstable rocket can be made stable by:
A. Making the rocket sufficiently shorter
B. Adding sufficient weight to the nosecone
C. Moving the fins sufficiently forward towards the nosecone
D. Removing sufficient weight from the nosecone

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