The Civil Engineers Licensure Examination in the Philippines covers a diverse range of topics, among which Fluid Flow, Buoyancy, and Flotation are integral components, especially within the Hydraulics and Geotechnical Engineering section. These topics are critical as they relate directly to the practical aspects of civil engineering, including the design and analysis of water systems, soil-water interaction, and the stability of floating and submerged structures.
Fluid Flow focuses on the behavior and properties of fluids in motion. Civil engineers must understand the dynamics of fluid to design efficient water supply systems, drainage networks, and flood control systems. Key concepts include laminar and turbulent flow, flow velocity, and the Bernoulli Equation.
Buoyancy involves the principle that explains why objects float or sink in fluids, crucial for designing ships, underwater structures, and coastal defenses. It requires a deep understanding of Archimedes' Principle and the calculation of forces acting on submerged or partially submerged bodies.
Flotation pertains to the stability of objects on the surface of a liquid. Knowledge in this area is essential for the design of floating structures like pontoons, docks, and floating barriers.
Excellence in these areas ensures that aspiring civil engineers are well-prepared to tackle the challenges of infrastructure development and maintenance, playing a pivotal role in societal safety and progress. Mastery of these concepts is not only tested in the licensure examination but is also vital in professional practice throughout the Philippines.
Civil Engineers Board Exam Reviewer HYDRAULICS AND PRINCIPLES OF GEOTECHNICAL ENGINEERING Fluid Flow, Buoyancy and Flotation PRACTICE REVIEWER
Welcome to our Fluid Flow, Buoyancy and Flotation Practice Examination! In this session, you'll have the opportunity to test your understanding of key concepts in Fluid Flow, Buoyancy and Flotation. 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 Flow
1. Which of the following factors does NOT affect the velocity of fluid flow through a pipe?
A) Pipe diameter
B) Fluid viscosity
C) Fluid density
D) Pipe length
2. According to Bernoulli's principle, an increase in the velocity of a fluid occurs simultaneously with:
A) A decrease in pressure
B) An increase in pressure
C) No change in pressure
D) An increase in temperature
3. The term "viscosity" in fluid mechanics refers to:
A) The tendency of a fluid to adhere to solid surfaces
B) The resistance of a fluid to flow
C) The measure of a fluid's kinetic energy
D) The ability of a fluid to transmit pressure evenly in all directions
4. In laminar flow through a pipe, the velocity profile is typically:
A) Uniform across the cross-section
B) Parabolic, with maximum velocity at the center and zero velocity at the walls
C) Inversely proportional to the pressure gradient
D) Irregular and unpredictable
5. The Moody chart is commonly used to determine:
A) Pipe material properties
B) Fluid density
C) Friction factor for pipe flow
D) Pump efficiency
Buoyancy and Flotation
6. According to Archimedes' principle, an object submerged in a fluid will experience a buoyant force equal to:
A) The weight of the fluid displaced by the object
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
7. A solid object will float in a fluid if its density is:
A) Greater than the density of the fluid
B) Less than the density of the fluid
C) Equal to the density of the fluid
D) Irrelevant to its ability to float
8. The metacentric height (GM) of a floating body is a measure of its:
A) Stability
B) Buoyancy
C) Weight
D) Displacement
9. When a floating body is in stable equilibrium, the center of gravity (G) is located:
A) Below the metacenter (M)
B) Above the metacenter (M)
C) At the same level as the metacenter (M)
D) Irrelevant to its equilibrium
10. The condition for a floating body to be in neutral equilibrium is when:
A) The center of gravity (G) coincides with the center of buoyancy (B)
B) The center of gravity (G) is above the metacenter (M)
C) The metacentric height (GM) is zero
D) The density of the body is equal to the density of the fluid
WATCH THE VIDEO FOR THE ANSWER KEY
Congratulations on completing the Fluid Flow, Buoyancy and Flotation Exam! Stay tuned for more practice online reviewer and educational content to further enhance your understanding of various learning areas.
