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ASTB REVIEW

ASTB REVIEW. Next Test. Date of next Test: 13 NOV 08 Have plenty of sleep, exercise, diet, avoid eyestrain Take care of yourself Spend some time reviewing materials, understand why you get questions wrong/right. The Test. Math Skills Test (MST) 30 Questions / 25 Minutes

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ASTB REVIEW

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  1. ASTB REVIEW

  2. Next Test • Date of next Test: 13 NOV 08 • Have plenty of sleep, exercise, diet, avoid eyestrain • Take care of yourself • Spend some time reviewing materials, understand why you get questions wrong/right

  3. The Test • Math Skills Test (MST) • 30 Questions / 25 Minutes • Quantitative aptitude • Arithmetic reasoning • General mathematics • Algebra • Plane geometry • Reading Skills Test (RST) • 27 questions / 25 min • Verbal aptitude • Sentence comprehension

  4. The Test • Mechanical Comprehension Test (MCT) • 30 Questions / 15 Minutes • Mechanical aptitude • Principles involved in the operation of mechanical devices • Basic physics • Spatial Apperception Test (SAT) • 35 Questions / 10 Minutes • Recognition of position or altitude of an airplane by viewing from ground and horizon

  5. The Test • Aviation/Nautical Information Test (ANT) • 30 Questions / 15 Minutes • Basic aviation and nautical terminology, principles, and practices • Aviation Supplemental Test • 34 Questions / 25 Minutes • Mixture of above types of questions • Don’t stress about this section, just do the best you can.

  6. The Scores • Academic Qualification Rating (AQR) • Scoring emphasis on MST • Pilot Flight Aptitude Rating (PFAR) • Scoring emphasis on ANIT, SAT • Flight Officer Flight Aptitude Rating (FOFAR) • Scoring emphasis on MST

  7. Sample Test Problems No Penalty for Guessing These only demonstrate a sampling of questions found on the ASTB. For a more comprehensive sampling, use one of the ASTB study guides*. *NOMI does not endorse any particular guide.

  8. Basic Topics- Mechanical Comprehension • Pulleys/Screws • Pipes (venturi) • Basic electricity • Basic Physics • Measurement Reading

  9. Pulleys • Mechanical Advantage • Number of pulleys = MA • Effort = Weight/MA • Length = ratio of MA

  10. Different Pulley Setups

  11. Example

  12. Problem 1

  13. Problem 2

  14. Problem 3

  15. Screws

  16. Venturi • Pressure goes down • Velocity goes up • Mass is constant

  17. Electricity • Imagine the circuit as water flowing in pipes

  18. Basic Physics • KE = PE • Newton’s Laws (raft problem) • Gases (balloon problem) • Liquids (tank problem) • Levers • Springs

  19. Measurement Reading

  20. MCT (1) Y • In the figure shown above, X is the driver gear and Y is the driven gear. If the idler gear is rotating clockwise, • (A) gear X and gear Y are rotating clockwise • (B) gear X and gear Y are rotating counterclockwise • (C) gear X is rotating clockwise, while gear Y is rotating counterclockwise X idler

  21. MCT (2) • The maximum weight, W, that can be lifted as shown with a pull of 100 pounds is • (A) 100 pounds • (B) 200 pounds • (C) 300 pounds 100 lb. pull W The number of pulleys indicates the mechanical advantage. In this case, it is 2 2 x 100lbs = 200lbs

  22. MCT (3) • This one’s a little tougher. Don’t be skerred!

  23. MCT (3) • A 5-kg wad of clay is tied to the end of a string. A 300-gm copper moving horizontally is embedded into the clay and causes the clay and ball to rise to a height of 0.2 m. The initial velocity v1 of the ball is nearly • A) 6.3 m/s • B) 7.3 m/s • C) 8.3 m/s KE = ½ mv2 and PE = mgh. By conservation of energy, KE must equal PE. Solve for v! ½ (0.3 kg )(v2) = (5 + 0.3 kg)(9.8 m/s)(0.2 m)

  24. Resources • NASA Website • http://www.grc.nasa.gov/WWW/K-12/airplane/guided.htm • Has lots of info, scroll down to “Parts of Plane” • NKO • Sign in to https://wwwa.nko.navy.mil • Click on ‘Learning’ • Scroll down and you should see a picture that says ‘Navy Education Resource Center’, click • Now click on ‘Online Books’ or ‘Online Practice Tests’

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