Skip to main content
Sarkari MCQs Government Exam Question Bank
Menu
Question no. 57677

Non-uniform fluid flow conditions arise when_________________?

Select your answer for: Non-uniform fluid flow conditions arise when_________________?
Show answer

Answer: E. velocity, depth, pressure, etc. change from point to point in the fluid flow

Explanation

Non-uniform fluid flow occurs when flow properties vary spatially along the fluid path. Velocity depth and pressure change from point to point within the flowing fluid system. This spatial variation distinguishes non-uniform flow from uniform flow conditions. Fluid mechanics classifies flows into uniform and non-uniform categories based on spatial parameters. Fluid velocity vector magnitude and direction can vary across different cross-sectional stream locations. Pressure gradients drive fluid movement and change continuously in complex piping network geometries.

Flow through converging or diverging nozzles is inherently non-uniform due to area changes. Civil engineers analyze non-uniform open channel flow when designing spillways and river structures. Understanding spatial flow variations is essential for accurate hydraulic machinery and turbine design. Uniform flow requires velocity to remain constant in magnitude and direction at every spatial point. Steady flow refers to conditions that remain constant over time rather than spatial location. Parallel streamline patterns describe specific flow geometries rather than general non-uniformity.

Subject
Engineering
Topic
—
Difficulty
medium

Related questions

Q1. Monel metal is a specialized alloy consisting of_________________?

Select your answer for: Monel metal is a specialized alloy consisting of_________________?
Show answer

Answer: A. 63 to 67% nickel and 30% copper

Monel metal is a specialized corrosion-resistant alloy composed mainly of nickel and copper. It typically contains roughly sixty-three to sixty-seven percent nickel and about thirty percent copper. This specific chemical...

Q2. Metacentric height is defined as the spatial distance separating the metacentre from_______________?

Select your answer for: Metacentric height is defined as the spatial distance separating the metacentre from_______________?
Show answer

Answer: C. center of gravity

Metacentric height is a critical measurement used to assess the initial static stability of floating vessels. It represents the vertical distance separating the metacentre from the center of gravity. A positive separatio...

Q3. As operating pressure rises in water tube boilers, natural convective water circulation rate_________________?

Select your answer for: As operating pressure rises in water tube boilers, natural convective water circulation rate_________________?
Show answer

Answer: B. decreases

Natural convective water circulation in boilers relies on density differences between liquid water and steam bubbles. As operating pressure increases, steam density rises while liquid water density decreases toward satur...

Q4. Newton's law of viscosity establishes a direct mathematical correlation between____________________?

Select your answer for: Newton's law of viscosity establishes a direct mathematical correlation between____________________?
Show answer

Answer: A. shear stress anctthejiate of angular distortion

Newton's law of viscosity states that shear stress is directly proportional to the velocity gradient in a fluid. The rate of angular distortion in fluid flow is mathematically equivalent to the spatial gradient of fluid...

Q5. A fast breeder nuclear reactor utilizes which of the following substances as its fuel_________________?

Select your answer for: A fast breeder nuclear reactor utilizes which of the following substances as its fuel_________________?
Show answer

Answer: D. U235

Fast breeder reactors can utilize fissile isotopes such as U-235 or plutonium-239 as nuclear fuel.

Q6. Malleable cast iron is characterized by the fact that _________________?

Select your answer for: Malleable cast iron is characterized by the fact that _________________?
Show answer

Answer: C. is produced by annealing process. It is soft, tough, and easily machined metal

Malleable cast iron is produced through a controlled annealing process of white cast iron. Thermal annealing breaks down brittle iron carbides into free temper carbon nodules. This microstructural transformation yields a...

New!

Mock Test System is now available!

Prepare for your exam with interactive mock tests. Select your subjects, attempt 100 random MCQs against the clock, and see exactly where you stand.

Start Mock Test