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Questions and Answers
Which of the following is true about the Bernoulli's equation?
Which of the following is true about the Bernoulli's equation?
- It states that pressure and velocity of a fluid are directly proportional (correct)
- It states that pressure and density of a fluid are directly proportional
- It states that pressure and velocity of a fluid are inversely proportional
- It states that pressure and density of a fluid are inversely proportional
What is the difference between laminar and turbulent flow?
What is the difference between laminar and turbulent flow?
- Laminar flow is characterized by smooth and predictable motion, while turbulent flow is characterized by irregular and unpredictable motion (correct)
- Laminar flow occurs at low Reynolds numbers, while turbulent flow occurs at high Reynolds numbers
- Laminar flow is characterized by irregular and unpredictable motion, while turbulent flow is characterized by smooth and predictable motion
- Laminar flow occurs at high Reynolds numbers, while turbulent flow occurs at low Reynolds numbers
What is the difference between absolute pressure and gauge pressure?
What is the difference between absolute pressure and gauge pressure?
- Absolute pressure is the sum of atmospheric pressure and gauge pressure, while gauge pressure is the pressure measured relative to atmospheric pressure (correct)
- Absolute pressure is the pressure measured at the surface of a fluid, while gauge pressure is the pressure measured at the center of a fluid
- Absolute pressure is the pressure measured relative to atmospheric pressure, while gauge pressure is the sum of atmospheric pressure and absolute pressure
- Absolute pressure is the pressure measured at the center of a fluid, while gauge pressure is the pressure measured at the surface of a fluid
Which of the following is NOT a stress state in mechanics of materials?
Which of the following is NOT a stress state in mechanics of materials?
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What is the formula for calculating strain in mechanics of materials?
What is the formula for calculating strain in mechanics of materials?
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What is the difference between Hooke's Law and Poisson's Ratio?
What is the difference between Hooke's Law and Poisson's Ratio?
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