Mechanical Aptitude Test
Questions Answered: 0/10
1.
What is the mechanical advantage of an inclined plane that is 12 feet long and 4 feet high?
3
4
12
48
2.
What is the primary purpose of a flywheel in a mechanical system?
To increase speed
To store energy
To decrease weight
To change direction
3.
A lever is used to lift a heavy object. The object is placed 2 feet from the fulcrum, and the effort is applied 4 feet from the fulcrum. If the object weighs 100 pounds, how much effort is required to lift it?
50 pounds
100 pounds
200 pounds
400 pounds
4.
Which type of energy is primarily converted to mechanical energy in an internal combustion engine?
Thermal energy
Electrical energy
Kinetic energy
Potential energy
5.
What type of simple machine is a screw?
Lever
Wheel and axle
Inclined plane
Pulley
6.
Which of the following is an example of potential energy?
A moving car
A spinning top
A stretched rubber band
A flowing river
7.
Which of the following statements about friction is true?
Friction always produces heat.
Friction increases with the weight of the object.
Friction is independent of surface area.
All of the above.
8.
What is the primary function of a flywheel in a mechanical system?
To increase speed
To store energy
To reduce friction
To change direction
9.
A lever is used to lift a heavy object. If the distance from the fulcrum to the point where the force is applied is doubled, what happens to the amount of force needed to lift the object?
It is halved.
It remains the same.
It is doubled.
It is quadrupled.
10.
What type of gear system is typically used to change the direction of rotation by 90 degrees?
Spur gears
Bevel gears
Helical gears
Worm gears
Questions Answered: 0/10
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