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Free CSP-1 Practice Questions

10 free, exam-style SFA Certified Space Professional Level 1 (CSP-1) practice questions with answers and explanations. No signup required. Work through them below, then take the full free CSP-1 practice test to study every exam domain.

Question 1

A satellite has an orbital period of exactly 24 hours but an inclination of 5° and an eccentricity of 0.01. From a fixed ground location, this satellite will appear to:

  1. Remain stationary at one fixed point in the sky
  2. Trace a small figure-8 pattern over the course of a day
  3. Rise in the west and set in the east
  4. Orbit in a perfectly circular path overhead
Show answer & explanation

Correct answer: B - Trace a small figure-8 pattern over the course of a day

Question 2

An intelligence analyst needs to monitor activity at a port that is frequently obscured by heavy cloud cover and is often observed at night. Which sensor type is BEST suited for this requirement?

  1. High-resolution panchromatic optical imaging
  2. Multispectral visible-light imaging
  3. Synthetic Aperture Radar (SAR)
  4. Hyperspectral imaging
Show answer & explanation

Correct answer: C - Synthetic Aperture Radar (SAR)

Question 3

A satellite operator detects a major X-class solar flare on the Sun. Approximately how long do they have before the associated coronal mass ejection (CME) is most likely to reach Earth's magnetosphere?

  1. About 8 minutes
  2. 1 to 4 days
  3. Roughly 30 seconds
  4. 2 to 3 weeks
Show answer & explanation

Correct answer: B - 1 to 4 days

Question 4

A 3-axis-stabilized satellite uses a reaction wheel to slew the spacecraft in pitch. To pitch the spacecraft body upward, the reaction wheel must:

  1. Spin faster in the same direction as the desired body rotation
  2. Spin faster in the OPPOSITE direction of the desired body rotation
  3. Stop spinning entirely to release stored momentum
  4. Be ejected from the spacecraft to provide reaction thrust
Show answer & explanation

Correct answer: B - Spin faster in the OPPOSITE direction of the desired body rotation

Question 5

The European Space Agency's primary launch site is located at Kourou, French Guiana, at approximately 5° north latitude. The PRIMARY operational advantage of this near-equatorial location for missions targeting geostationary orbit is:

  1. Reduced atmospheric drag at low altitudes
  2. A larger boost from Earth's rotational velocity (~465 m/s at the equator), which reduces the propellant required to reach geostationary orbit
  3. A shorter line-of-sight distance to GEO satellites
  4. Lower radiation exposure for ground crews and launch personnel
Show answer & explanation

Correct answer: B - A larger boost from Earth's rotational velocity (~465 m/s at the equator), which reduces the propellant required to reach geostationary orbit

Question 6

Under Article VI of the Outer Space Treaty (1967), if a private commercial company headquartered in a signatory nation conducts an activity in space that causes damage, who bears international responsibility for that activity?

  1. The individual employees who conducted the activity
  2. The private company itself, independently of any government
  3. The state (national government) under whose jurisdiction the company operates
  4. The United Nations Office for Outer Space Affairs
Show answer & explanation

Correct answer: C - The state (national government) under whose jurisdiction the company operates

Question 7

As of its 2022 rule update, the U.S. Federal Communications Commission (FCC) requires LEO satellites licensed in the United States to deorbit within how many years after the end of their mission?

  1. 1 year
  2. 5 years
  3. 25 years (the legacy international guideline)
  4. 100 years
Show answer & explanation

Correct answer: B - 5 years

Question 8

A satellite in a circular orbit at 400 km altitude has an orbital velocity of approximately 7.7 km/s. The escape velocity from that same altitude is approximately:

  1. 5.4 km/s (about 70% of orbital velocity)
  2. 7.7 km/s (equal to orbital velocity)
  3. 10.9 km/s (about √2 times orbital velocity)
  4. 15.4 km/s (about twice orbital velocity)
Show answer & explanation

Correct answer: C - 10.9 km/s (about √2 times orbital velocity)

Question 9

A spacecraft designer adds a thin aluminum sheet positioned several centimeters in front of the main pressure wall. What is the PRIMARY mechanism by which this Whipple shield protects the spacecraft from hypervelocity debris?

  1. It deflects incoming particles using an induced magnetic field
  2. It absorbs the kinetic energy through plastic deformation of the sheet
  3. It fragments and partially vaporizes the incoming particle, spreading the resulting debris cloud's energy over a larger area of the main wall
  4. It reflects the particle back into space using a polished mirror surface
Show answer & explanation

Correct answer: C - It fragments and partially vaporizes the incoming particle, spreading the resulting debris cloud's energy over a larger area of the main wall

Question 10

A new propulsion technology has been demonstrated successfully on a satellite during an actual operational on-orbit mission. What Technology Readiness Level (TRL) does this technology achieve?

  1. TRL 5 - component validation in a relevant environment
  2. TRL 6 - system prototype demonstration in a relevant environment
  3. TRL 7 - system prototype demonstration in a space environment
  4. TRL 9 - actual system flight-proven through successful mission operations
Show answer & explanation

Correct answer: D - TRL 9 - actual system flight-proven through successful mission operations

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