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# Fluid Mechanics Quiz: Water Properties and Pressure

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@StablePraseodymium

### What is the study of the pressure exerted by fluids at equilibrium?

• Hydrostatics (correct)
• Hydraulics
• Hydrodynamics
• Fluid Mechanics
• ### What is the equation that relates the pressure of a fluid to its height?

• Bernoulli's Principle
• Stokes' Law
• Torricelli's Law (correct)
• Pascal's Law
• ### What is the term for the pressure exerted by a fluid due to its motion?

• Dynamic Pressure (correct)
• Static Pressure
• ### What is the principle that relates the pressure and velocity of a fluid?

<p>Bernoulli's Principle</p> Signup and view all the answers

### What is the term for the pressure loss due to friction in a pipe?

<p>Pressure Drop</p> Signup and view all the answers

### What is the study of the behavior of fluids in motion?

<p>Hydrodynamics</p> Signup and view all the answers

### What is the primary focus of the Modern Causation Model?

<p>Systems Defects and Safety Management Errors</p> Signup and view all the answers

### What is the main objective of Accident Investigation?

<p>To identify the root cause of an accident</p> Signup and view all the answers

### Which of the following is NOT a type of error in the Modern Causation Model?

<p>Near-Miss</p> Signup and view all the answers

### What is the primary goal of Safety Management Error Countermeasures?

<p>To prevent safety management errors</p> Signup and view all the answers

### Which of the following is a technique used in accident investigation?

<p>Both A and B</p> Signup and view all the answers

### What is the purpose of the Report of Investigation?

<p>To present the findings of the investigation</p> Signup and view all the answers

### Which of the following theories is related to the study of energy release?

<p>Energy Release Theory</p> Signup and view all the answers

### What is the primary focus of the Seven Avenues?

<p>All of the above</p> Signup and view all the answers

### Which of the following is a type of accident investigation technique?

<p>Both A and B</p> Signup and view all the answers

### What is the primary purpose of the Interviews in accident investigation?

<p>To gather information</p> Signup and view all the answers

### What is the main purpose of using ventilation?

<p>To reduce the concentration of airborne contaminants</p> Signup and view all the answers

### Which type of ventilation is used to remove contaminants from a specific area?

<p>Local (Exhaust) Ventilation</p> Signup and view all the answers

### What is the formula to calculate the volumetric air flow?

<p>Q = A x V</p> Signup and view all the answers

### What is the main purpose of a canopy hood?

<p>To capture contaminants from a specific area</p> Signup and view all the answers

### What is the formula to calculate the static pressure of a fan?

<p>SPh = P x V</p> Signup and view all the answers

### What is the purpose of an air-cleaning device?

<p>To remove contaminants from the air</p> Signup and view all the answers

### What is the purpose of a pitot tube?

<p>To measure the air flow velocity</p> Signup and view all the answers

### What is the formula to calculate the capture velocity for a plain opening hood?

<p>Vc = Q / A</p> Signup and view all the answers

### What is the purpose of dilution ventilation?

<p>To reduce the concentration of airborne contaminants</p> Signup and view all the answers

### What is the formula to calculate the room air changes?

<p>AC = Q / V</p> Signup and view all the answers

## Study Notes

### Hydrostatics and Hydraulics

• Hydrostatic pressure is a key concept in fluid mechanics
• Torricelli's Law states that the pressure of a fluid at equilibrium is proportional to the height of the fluid column
• Head pressure is the pressure of a fluid due to its height or elevation
• Velocity head is the pressure of a fluid due to its motion or velocity
• Velocity pressure at constant laminar velocity can be calculated using the formula: ΔP = ρ * g * h
• Flow rates and pressure drops are important concepts in hydraulic systems
• Bernoulli's Principle states that the pressure of a fluid decreases as its velocity increases
• Key information to remember on hydrostatics and hydraulics includes understanding pressure, flow rates, and velocity

### Ventilation

• Ventilation is used to remove contaminants from the air and provide a healthy working environment
• Types of ventilation include general ventilation, dilution ventilation, and local (exhaust) ventilation
• General concepts of ventilation include calculating volumetric air flow, static pressure, velocity pressure, and total pressure
• Principles of air movement include contaminant generation, purge rates, and steady-state concentration
• Local exhaust ventilation includes canopy hoods, down draft hoods, enclosure hoods, and receiving hoods
• Ventilation measurement equipment includes pitot tubes, rotating vane anemometers, and thermal anemometers
• Key information to remember on ventilation includes understanding types, concepts, and measurement equipment

### Accident Causation and Investigation Techniques

• Domino Theory suggests that a series of events can lead to an accident
• Heinrich's Axioms of Industrial Safety state that accidents are preventable and that safety is a line responsibility
• Human Factors Theory suggests that human error is a major contributor to accidents
• Accident and Incident Theory includes the epidemiological theory, systems theory, energy release theory, and behavior theory
• The Modern Causation Model includes operating errors, systems defects, command errors, safety program defects, and safety management errors
• Seven Avenues include safety management error countermeasures, safety program defect countermeasures, and command error defect countermeasures
• Accident investigation procedures include purpose, investigation procedures, fact-finding, and interviews
• Problem-solving techniques include the scientific method, gross hazard analysis, job safety analysis, and failure modes and effects analysis
• Key information to remember on accident causation and investigation techniques includes understanding theories, models, and procedures.

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## Description

Test your knowledge on water properties, hydrostatic pressure, Torricelli's Law, head pressure, and velocity head. This quiz covers essential concepts in fluid mechanics.

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