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USMC MECHANICAL COMPREHENSION ASVAB PRACTICE
TEST EXAM QUESTIONS
Qs and Ans - Expert- Explanation - ing score -16 Questions and Answers
-Format: Multiple-choice / Flashcard
Question 1: Given two pieces of steel tubing, one 8 feet long, the other 6 feet long, both joined at one end at an angle of 90 degrees, how long would a third piece need to be to connect the two free ends?
Answer:
10 feet
Question 2: How is the coefficient of friction calculated?
Answer:
It is the friction force divided by the normal force Question 3: Two gears are in mesh. The first gear is rotating at 60 rpm and has 23 teeth. The second gear is rotating at 5 rpm. How many teeth does the second gear have?
Answer:
276 teeth
Question 4: What are the units for the coefficient of friction?
Answer:
Unitless
Question 5: Choose the true statement.
Answer:
Jerk is the derivative of acceleration Question 6: A car is traveling at a velocity of 58 m/s. What is the velocity in MPH?
Answer:
130 mph Question 7: If at Location A pure water boils at 212 degrees Fahrenheit and at Location B the same water boils at 80 degrees Celsius, what can you deduce about the two locations?
Answer:
Location A is at sea level and Location B is significantly higher.Question 8: If a cubic yard of sand weighs 1.5 (US) tons, how many 11x6x7 inch ammo boxes can be completely filled with 1 ton of sand?
Answer:
67 Question 9: In a circuit, the current at a location is 4 amps and the voltage is 9 V. What is the Power at this location of the circuit?
Answer:
67 Question 10: What is the density of a brownie the shape of a cube weighing 15 grams measuring
- cm on a side?
Answer:
0.12 g/cm^3 Question 11: If a 180 RPM synchronous motor and gear train for 60Hz is run on 50Hz, what speed will the output shaft have?
Answer:
150 RPM
Question 12: How many square feet of tarp is required to completely cover the roof of a 20×15 foot building? The roof has a single peak running along the 20 foot axis and the roof is at a 45 degree angle.
Answer:
450 Question 13: How much work is performed lifting in order to lift a 50.0 kg block 7.00 meters?Use g=9.81 m/s^2
Answer:
3430 N*m Question 14: A workman is digging a hole in the ground. The final size of this hole will be 60 inches deep and 30 inches in diameter. How much material will the workman remove?
Answer:
24.5 cubic feet Question 15: In this pulley system, what is the minimum force (applied in the direction of the red arrow) required to move the weight upward?
Answer:
501 lbs
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