Mechanical Comprehension - ASVAB questions with complete solutions.

Mechanical Comprehension - ASVAB with complete solutions.Gear A is the driving gear. If all the teeth are sheared off of Gear B, which gears will turn? A. Gear A B. Gear B C. Gear C D. Gear A and C A. Gear A A ball is attached to one end of rod AB, and the other end is attached to a vertical rotating axle as shown. The joint at B contains a pin so that the ball can move up and down. If the axle BC rotates fasted, angle x will: A. Increase B. Decrease C. Not change D. Become 90 degrees B. Decrease 00:47 01:22 The spring pulls the left end of the lever against the cam. As the cam makes four rotations, how many times will the right end of the lever move up and down? A: 2 B: 4 C: 6 D: 8 B: 4 In this pulley system, what force must be applied to balance the 10 pound weight? A. 5 pounds B. 10 pounds C. 15 pounds D. 20 pounds A. 5 pounds The surface area of piston A is 2 square inches, while the surface area of a piston is 4 square inches. If piston A is pushed down 6 inches, how far will piston B move up? A. 3 in B. 4 in C. 6 in D. 12 in A. 3 in If 60 pounds of force must be applied to the valve for it to open, how much upward force must push rod X apply for the valve to open? A. 60 lbs B. 40 lbs C. 30 lbs D. 20 lbs E. 15 lbs B. 40 lbs At what altitude is atmospheric pressure the greatest? A. Sea level B. 2000 ft C. 4280 ft D. 25000 fr A. Sea level A space probe is coasting through space at a steady speed of 1,000 ft per second. The booster rocket fired for 1/2 second, so the probe is now traveling at 5,000 ft per second. What acceleration did the rocket deliver? A. 2,000 ft per second squared B. 4,000 ft per second squared C. 5,000 ft per second squared D. 8,000 ft per second squared D. 8,000 ft per second squared The definition of a vacuum is: A. The absence of matter B. The force exerted by the weight of the air A. The absence of matter What term is used to describe the sliding motion within the layers of an object when a force is applied to it ? A. Tension stress B. Crushing stress A. Tension stress If 1 block goes up 10 ft, then block 2 will: A. Go up more than 10 ft B. Go up less than 10 ft B. Go up less than 10 ft