MAE 201 Final Exam Questions and
Answers | Latest Version | 2024/2025 |
100% Pass
What is the primary purpose of a hydraulic system in machinery?
A) To increase temperature
✔✔B) To transmit power through fluid pressure
C) To reduce noise
D) To control electrical systems
How does a lever work to gain mechanical advantage?
A) By reducing friction
✔✔B) By allowing a small force to move a larger load
C) By changing energy forms
D) By increasing speed
Which of the following best describes potential energy?
A) Energy of motion
B) Energy transferred through heat
1
,✔✔C) Stored energy due to position or condition
D) Energy produced by chemical reactions
What is the function of a capacitor in an electrical circuit?
✔✔A) To store electrical energy
B) To increase current flow
C) To convert AC to DC
D) To act as a resistor
What is the role of the governor in an engine?
✔✔A) To regulate engine speed
B) To control fuel intake
C) To increase horsepower
D) To reduce emissions
Which of the following statements is true about the conservation of energy?
A) Energy can be created and destroyed
B) Energy is always lost in transformations
2
, ✔✔C) Energy cannot be created or destroyed, only transformed
D) Energy decreases over time
What is the primary use of a gear system?
✔✔A) To change speed and torque in machinery
B) To generate electricity
C) To provide cooling
D) To filter fluids
How does thermal expansion affect materials?
✔✔A) Materials expand when heated and contract when cooled
B) Materials become stronger when heated
C) Materials do not change size with temperature
D) Materials only expand under pressure
What is the significance of the center of mass in mechanical systems?
A) It determines the material used
B) It affects thermal properties
3
Answers | Latest Version | 2024/2025 |
100% Pass
What is the primary purpose of a hydraulic system in machinery?
A) To increase temperature
✔✔B) To transmit power through fluid pressure
C) To reduce noise
D) To control electrical systems
How does a lever work to gain mechanical advantage?
A) By reducing friction
✔✔B) By allowing a small force to move a larger load
C) By changing energy forms
D) By increasing speed
Which of the following best describes potential energy?
A) Energy of motion
B) Energy transferred through heat
1
,✔✔C) Stored energy due to position or condition
D) Energy produced by chemical reactions
What is the function of a capacitor in an electrical circuit?
✔✔A) To store electrical energy
B) To increase current flow
C) To convert AC to DC
D) To act as a resistor
What is the role of the governor in an engine?
✔✔A) To regulate engine speed
B) To control fuel intake
C) To increase horsepower
D) To reduce emissions
Which of the following statements is true about the conservation of energy?
A) Energy can be created and destroyed
B) Energy is always lost in transformations
2
, ✔✔C) Energy cannot be created or destroyed, only transformed
D) Energy decreases over time
What is the primary use of a gear system?
✔✔A) To change speed and torque in machinery
B) To generate electricity
C) To provide cooling
D) To filter fluids
How does thermal expansion affect materials?
✔✔A) Materials expand when heated and contract when cooled
B) Materials become stronger when heated
C) Materials do not change size with temperature
D) Materials only expand under pressure
What is the significance of the center of mass in mechanical systems?
A) It determines the material used
B) It affects thermal properties
3
