Mechanical Aptitude Test
Questions Answered: 0/10
1.
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
2.
Which of the following tools is best suited for measuring the inside diameter of a pipe?
Tape measure
Caliper
Protractor
Plumb bob
3.
Which type of energy is primarily converted to mechanical energy in an internal combustion engine?
Thermal energy
Electrical energy
Kinetic energy
Potential energy
4.
A hydraulic system uses a small piston to exert a large force on a larger piston. If the small piston has an area of 2 square inches and the large piston has an area of 10 square inches, what is the mechanical advantage of the system?
0.2
2
5
10
5.
What is the purpose of a flywheel in a mechanical system?
To increase speed
To reduce friction
To store rotational energy
To change the direction of motion
6.
What is the purpose of using ball bearings in a mechanical system?
To increase friction
To reduce friction
To increase weight
To generate electricity
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.
A block and tackle system has 4 ropes supporting the load. If the load weighs 400 pounds, what is the tension in each rope?
100 pounds
400 pounds
800 pounds
1600 pounds
9.
Which of the following materials has the highest tensile strength?
Copper
Aluminum
Steel
Brass
10.
What is the primary purpose of a flywheel in a mechanical system?
To increase speed
To store energy
To decrease weight
To change direction
Questions Answered: 0/10
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