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ASVAB (Armed Services Vocational Aptitude Battery) practice questions

244 free questions with answers and explanations.

Practice test
  1. 101.A technician found the old machinery to be quite <b>dilatory</b> in its operations, causing significant delays in production.Word Knowledge (WK)
  2. 102.A logistics officer is planning cargo distribution. If 1/3 of a shipment is sent to Base Alpha, and 1/4 of the remaining shipment is sent to Base Bravo, what fraction of the total shipment is left?Mathematics Knowledge (MK)
  3. 103.A geologist is studying rock formations and observes distinct layers with fossils of marine organisms. Which type of rock is she most likely examining?General Science (GS)
  4. 104.Which word is an antonym for <b>obfuscate</b>?Word Knowledge (WK)
  5. 105.The detective found the suspect's alibi to be riddled with <b>fallacies</b>, undermining its credibility.Word Knowledge (WK)
  6. 106.A negotiator must be <b>circumspect</b> in their dealings to avoid inadvertently revealing critical information. What does 'circumspect' mean?Word Knowledge (WK)
  7. 107.A client expressed a <b>belligerent</b> attitude towards the proposed changes, making negotiations difficult.Word Knowledge (WK)
  8. 108.The public outcry against the new policy was so <b>vociferous</b> that the government was forced to reconsider.Word Knowledge (WK)
  9. 109.The public outcry against the new policy was so <b>vehement</b> that the government was forced to reconsider its stance. What does 'vehement' imply about the outcry?Word Knowledge (WK)
  10. 110.A squad of soldiers is marching. They cover 4/5 of a mile in 12 minutes. If they maintain this pace, how long will it take them to cover 2 miles?Mathematics Knowledge (MK)
  11. 111.A supply officer needs to order fuel for a fleet of 15 vehicles. Each vehicle holds 20 gallons of fuel, and the officer wants to have enough fuel for 3 full refills for each vehicle. How many gallons of fuel must be ordered?Arithmetic Reasoning (AR)
  12. 112.A convoy of 6 trucks carries a total of 4.5 tons of supplies. If each truck carries an equal amount, and 1 ton equals 2000 pounds, how many pounds of supplies does each truck carry?Arithmetic Reasoning (AR)
  13. 113.A supply depot has 12,000 gallons of fuel. They use 1/4 of it in the first week and then 1/3 of the *remaining* fuel in the second week. How many gallons of fuel are left after the second week?Arithmetic Reasoning (AR)
  14. 114.Which word is an antonym for <b>garrulous</b>?Word Knowledge (WK)
  15. 115.Which word is an antonym for <b>pusillanimous</b>?Word Knowledge (WK)
  16. 116.A pilot needs to calculate the average speed of an aircraft that travels 1,200 miles in 2 hours and 30 minutes. What is the average speed in miles per hour?Mathematics Knowledge (MK)
  17. 117.The ancient philosopher's arguments were so <b>recondite</b> that only a handful of his most ardent students could grasp them.Word Knowledge (WK)
  18. 118.A piston in an internal combustion engine moves back and forth within a cylinder. This type of motion is best described as:Mechanical Comprehension (MC)
  19. 119.A worker is using a simple machine to lift a heavy box. If the worker applies a force of 100 N over a distance of 2 meters, and the machine lifts the box, which weighs 300 N, a distance of 0.5 meters, what is the efficiency of the simple machine?Mechanical Comprehension (MC)
  20. 120.A technician is observing a simple harmonic motion system, specifically a mass attached to a spring. Which statement accurately describes the relationship between the mass, spring constant, and the period of oscillation?Mechanical Comprehension (MC)
  21. 121.A mechanic is inspecting a car engine's cooling system. The system uses a pump to circulate coolant. What fundamental principle describes how this pump creates fluid flow?Mechanical Comprehension (MC)
  22. 122.A worker uses a wheelbarrow to transport soil. The wheelbarrow itself acts as a lever. If the load of soil is placed between the wheel (fulcrum) and the handles where the worker applies force, what class of lever is the wheelbarrow?Mechanical Comprehension (MC)
  23. 123.A large gear with 60 teeth is meshed with a smaller gear that has 20 teeth. If the large gear rotates at 10 RPM, what is the rotational speed of the smaller gear?Mechanical Comprehension (MC)
  24. 124.A worker uses a ramp to push a 150 kg cart up to a platform. The ramp is 4 meters long and the platform is 1 meter high. Ignoring friction, what is the ideal mechanical advantage of the ramp?Mechanical Comprehension (MC)
  25. 125.A construction crane lifts a 1000 kg beam vertically upward at a constant speed of 0.5 m/s. What is the power exerted by the crane in lifting the beam?Mechanical Comprehension (MC)
  26. 126.A large cargo ship uses a propeller to move through water. Which of Newton's Laws of Motion primarily explains how the propeller generates forward thrust?Mechanical Comprehension (MC)
  27. 127.A plumber uses a wrench to tighten a pipe fitting. The wrench has a length of 0.3 meters, and the plumber applies a force of 50 N at an angle of 60 degrees to the wrench handle. What is the magnitude of the torque applied to the fitting?Mechanical Comprehension (MC)
  28. 128.A bicycle wheel has a diameter of 0.6 meters. If the wheel completes 10 revolutions per second, what is the approximate linear speed of a point on the outer edge of the wheel?Mechanical Comprehension (MC)
  29. 129.A 10 kg object is placed on an inclined plane that makes an angle of 30° with the horizontal. Assuming no friction, what is the magnitude of the force required to prevent the object from sliding down the plane? (Use g = 10 m/s²)Mechanical Comprehension (MC)
  30. 130.A mechanic is using a gear system to reduce the speed of a motor while increasing its torque. The driving gear has 40 teeth and rotates at 120 RPM. If the driven gear needs to rotate at 30 RPM, how many teeth must the driven gear have?Mechanical Comprehension (MC)
  31. 131.A small boat is floating on a lake. If the boat displaces 500 kg of water, what is the buoyant force acting on the boat?Mechanical Comprehension (MC)
  32. 132.A small boat is moving at a constant velocity across a calm lake. If the boat's engine suddenly stops, but the boat continues to glide for a distance before stopping, which of Newton's Laws best explains why the boat eventually stops?Mechanical Comprehension (MC)
  33. 133.A child is playing with a toy car that rolls down a frictionless ramp and then moves across a horizontal surface. If the car starts from rest at a height of 0.5 meters on the ramp and has a mass of 0.1 kg, what is its speed when it reaches the bottom of the ramp?Mechanical Comprehension (MC)
  34. 134.A satellite orbits the Earth at a constant speed in a circular path. Why does the satellite not fly off into space in a straight line, according to Newton's First Law of Motion?Mechanical Comprehension (MC)
  35. 135.A satellite orbits Earth at a constant speed in a circular path. Which statement accurately describes the forces acting on the satellite?Mechanical Comprehension (MC)
  36. 136.A driver presses the brake pedal, which uses a hydraulic system to slow the car. What fundamental principle of fluid mechanics explains how a small force on the pedal can generate a much larger force at the brake calipers?Mechanical Comprehension (MC)
  37. 137.A small toy car is released from rest at the top of a frictionless ramp. If the ramp is 0.5 meters high, what will be the car's speed at the bottom of the ramp?Mechanical Comprehension (MC)
  38. 138.A construction worker needs to move a 500 kg stone using a wheelbarrow. The wheelbarrow's wheel is located 0.5 meters from the stone, and the handles are 1.5 meters from the wheel. What minimum upward force must the worker apply to the handles to lift the stone?Mechanical Comprehension (MC)
  39. 139.A hydraulic press uses a small piston with an area of 0.01 m² to exert force on a larger piston with an area of 0.5 m². If a force of 100 N is applied to the small piston, what is the theoretical force exerted by the larger piston?Mechanical Comprehension (MC)
  40. 140.A technician is evaluating the efficiency of a simple pulley system used to lift a 100 kg load. The technician observes that 1200 Joules of work are put into the system, but only 900 Joules of work are done on the load. What is the efficiency of this pulley system?Mechanical Comprehension (MC)
  41. 141.A worker needs to move a 500 N barrel up a ramp onto a platform. The ramp is 5 meters long and the platform is 1.5 meters high. Ignoring friction, what is the minimum force the worker must apply parallel to the ramp to move the barrel?Mechanical Comprehension (MC)
  42. 142.A technician is tightening a bolt using a wrench. If the technician applies the same force but uses a wrench with a longer handle, how does this affect the torque applied to the bolt?Mechanical Comprehension (MC)
  43. 143.A diver is swimming underwater. As the diver descends deeper, the pressure exerted by the water increases. This increase in pressure is primarily due to which factor?Mechanical Comprehension (MC)
  44. 144.A technician is using a universal joint to transmit rotational motion between two shafts that are not in a straight line. What is the primary disadvantage of a single universal joint when the angle between the shafts is significant?Mechanical Comprehension (MC)
  45. 145.A worker uses a pulley system to lift a heavy crate. If the worker pulls 6 meters of rope to lift the crate 2 meters, what is the ideal mechanical advantage (IMA) of the pulley system?Mechanical Comprehension (MC)
  46. 146.An electrician is using a screwdriver to turn a screw. The screwdriver's handle has a larger diameter than its shaft. This setup functions as which type of simple machine?Mechanical Comprehension (MC)
  47. 147.A hydraulic system in a car's brake lines transmits pressure. If a force of 200 N is applied to a piston with an area of 0.01 m², what pressure is exerted on the fluid?Mechanical Comprehension (MC)
  48. 148.A simple pendulum of length 1 meter has a period of oscillation of approximately 2 seconds on Earth. If this pendulum were taken to a planet where the acceleration due to gravity is four times that of Earth, what would be its new period of oscillation?Mechanical Comprehension (MC)
  49. 149.A technician is evaluating the power output of a motor. The motor lifts a 50 kg mass vertically by 10 meters in 5 seconds. What is the power output of the motor?Mechanical Comprehension (MC)
  50. 150.A pilot is flying an aircraft at a constant altitude. If the pilot increases the engine thrust, causing the aircraft to accelerate forward, which of the four forces of flight must also increase to maintain constant altitude?Mechanical Comprehension (MC)