Incompressible Guides d'étude, Notes de cours & Résumés

FLUID MECHANICS EXAM 1 REVIEW (2024) || Questions & Answers (Graded A+) FLUID MECHANICS EXAM 1 REVIEW (2024) || Questions & Answers (Graded A+) In a horizontal converging (i.e. getting smaller) pipe with steady flowing inviscid, incompressible fluid in one direction, the velocity must _____ and the pressure must ______ as the fluid moves through the pipe. - ANSWER - increase, decrease T/F: Gradient of pressure is a scalar. - ANSWER - False To arrive at Bernoulli's equation, one must _...

PADI Open Water Exam Study Guide Questions And Answers When is an object positively buoyant? - ANS When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? - ANS When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? - ANS When it displaces a volume of water weighing the same as its own weight. Why two pieces of equipment do you use to control your buoyancy? - ANS B...

Fluid Mechanics Exam 1 (2024) || All Questions & Answers (Graded A+) Fluid Mechanics Exam 1 (2024) || All Questions & Answers (Graded A+) fluid - ANSWER - changes shape and size to fill container; CANNOT resist a shear stress difference between vapor and gas - ANSWER - vapor can be in equilibrium with liquid, gas CANNOT exist as liquid at existing conditions which is more dense: gas or liquid? - ANSWER - gas is MUCH less dense than liquid; gases can expand, liquids are incompressible ...

PADI Open Water Exam Study Guide Exam Questions And Answers All Verified When is an object positively buoyant? - ANS When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? - ANS When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? - ANS When it displaces a volume of water weighing the same as its own weight. Why two pieces of equipment do you use to control your buoy...

PADI Open Water Dive Exam Questions Rated A+ 2024. An object is positively buoyant when: - correct answer It displaces a volume of water weighing more than its own weight. What two pieces of equipment do you use to control your buoyancy? - correct answer BCD, Lead Weights Buoyancy control is one of the most important skills you can master because it allows you to control where you are in the water. (T/F) - correct answer True An object will be more buoyant in _____ than it would be in ...

NIFE Aerodynamics Questions and Answers Already Passed What forces act on an aircraft in flight? a) Lift and drag b) Lift and thrust c) Lift, drag and thrust d) Lift, drag, weight and thrust d) Lift, drag, weight, and thrust Total pressure is comprised of what two elements? a) Potential and dynamic b) Potential and kinetic c) Kinetic and dynamic d) Dynamic and static d) Dynamic and Static What is the relationship between altitude and density? a) Independent b) Direct c...

NIFE Engines, Top Exam Questions and answers, 100% Accurate. Verified. EXPLAIN Bernoulli's Equation, given dynamic pressure, static pressure, and total pressure Bernoulli's equation stats Pt=Pdynamic+Pstatic. As any incompressible fluid passes through a convergent opening its velocity increases and pressure decreases. Describe Airflow in a nozzle When Pressure is decreased and velocity is increased Subsonic: Diverging nozzle=increased pressure, decreased velocity converging...

Fluid Mechanics Final Exam Review – All Questions & Answers (Graded A+) Fluid Mechanics Final Exam Review – All Questions & Answers (Graded A+) The surface force acting on a differential surface element shown in the figure is the ___________ product of a stress tensor and the unit outward normal vector. - ANSWER - contracted __________ equation is an approximate relation between pressure, velocity, and elevation, and is valid in regions of steady, incompressible flow where net frictio...

PADI Open Water Exam Study Guide with Complete Solutions 2023/2024 When is an object positively buoyant? - Correct Answer When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? - Correct Answer When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? - Correct Answer When it displaces a volume of water weighing the same as its own weight. Why two pieces of equipment do you use to co...

When is an object positively buoyant? When it displaces a volume of water weighing more than its own weight. When is an object negatively buoyant? When it displaces a volume of water weighing less than its own weight. When is an object neutrally buoyant? When it displaces a volume of water weighing the same as its own weight. Why two pieces of equipment do you use to control your buoyancy? BCD, Lead weight What does buoyancy help with when you are underwater? Con...