Fluid Properties and Hydrostatics form a critical part of the Civil Engineers Licensure Examination in the Philippines, emphasizing the essential knowledge that future civil engineers must possess for successful practice. This section tests the understanding of the fundamental principles of fluid mechanics, which is pivotal in numerous civil engineering applications, including water resource management, hydraulic systems, and environmental engineering.
Understanding fluid properties such as density, viscosity, and surface tension allows engineers to analyze how fluids behave under different physical conditions and in various engineering scenarios. Hydrostatics, the study of fluids at rest, focuses on calculating forces in static fluids and their effects on submerged and floating bodies, crucial for designing dams, spillways, and even maritime structures.
Candidates need to master these concepts to solve complex real-world problems efficiently. The exam typically includes questions that require application of Bernoulli's equation, calculations of buoyancy, pressure in static fluids, and flow rates. These problems not only test theoretical knowledge but also practical understanding, which is indispensable in the field of civil engineering.
Preparing for this segment involves rigorous practice and a deep grasp of theoretical concepts, ensuring that candidates are well-equipped to tackle related challenges in their professional engineering roles.
Civil Engineers Board Exam Reviewer HYDRAULICS AND PRINCIPLES OF GEOTECHNICAL ENGINEERING Fluid Properties and Hydrostatics PRACTICE REVIEWER
Welcome to our Fluid Properties and Hydrostatics Practice Examination! In this session, you'll have the opportunity to test your understanding of key concepts in Fluid Properties and Hydrostatics. The quiz consists of multiple-choice questions covering various topics. Pay close attention to each question and select the best answer. After completing the exam, check the video below for the answer key and explanations.
Fluid Properties
1. Which of the following properties of fluids is defined as the ratio of dynamic viscosity to density?
A) Reynolds number
B) Froude number
C) Specific gravity
D) Kinematic viscosity
2. A fluid with a viscosity of 0.01 Pa·s and a density of 1000 kg/m³ has a kinematic viscosity of:
A) 0.00001 m²/s
B) 0.001 m²/s
C) 0.01 m²/s
D) 0.1 m²/s
3. The property of a fluid that describes its resistance to shear stress is known as:
A) Density
B) Viscosity
C) Surface tension
D) Specific weight
4. Which of the following fluids would likely have the highest viscosity?
A) Water at 20°C
B) Engine oil
C) Gasoline
D) Alcohol
5. The Reynolds number is a dimensionless quantity used in fluid mechanics to predict:
A) Turbulent flow
B) Laminar flow
C) Both turbulent and laminar flow
D) Viscosity of the fluid
Hydrostatics
6. Which of the following statements regarding hydrostatic pressure is true?
A) Hydrostatic pressure decreases linearly with depth in a fluid.
B) Hydrostatic pressure depends solely on the density of the fluid.
C) Hydrostatic pressure is the same in all directions at a given depth in a fluid.
D) Hydrostatic pressure increases with decreasing fluid density.
7. The pressure at a depth of 10 meters below the surface of a lake with water density of 1000 kg/m³ is approximately:
A) 98.1 kPa
B) 9.81 kPa
C) 100 kPa
D) 981 kPa
8. A submerged object in a fluid experiences a buoyant force that is equal to:
A) The weight of the fluid displaced
B) The volume of the object multiplied by the density of the fluid
C) The pressure at the bottom of the fluid container
D) The atmospheric pressure acting on the surface of the fluid
9. Which of the following factors does NOT affect the magnitude of hydrostatic pressure in a fluid?
A) Depth
B) Fluid density
C) Atmospheric pressure
D) Surface area of the container
10. A U-shaped tube filled with water has different water levels in its two arms. What does this indicate about the pressure at the two levels?
A) The pressure is higher on the side with the higher water level.
B) The pressure is higher on the side with the lower water level.
C) The pressure is the same at both levels.
D) The pressure cannot be determined without additional information.
WATCH THE VIDEO FOR THE ANSWER KEY
Congratulations on completing the Fluid Properties and Hydrostatics Exam! Stay tuned for more practice online reviewer and educational content to further enhance your understanding of various learning areas.
