The continuity equation is an expression of

Question

BlackTom AI · Accepted Answer

Consider the fundamental idea behind the continuity equation in fluid dynamics: it expresses that, for a control volume, mass is neither created nor destroyed as fluid flows in and out. 
Option 1: conservation of mass. This is the core concept captured by the continuity equation, since it equates the net mass flow into a region with the rate of change of mass inside, ensuring mass balance.
Option 2: conservation of energy. While energy conservation is a fundamental principle, the continuity equation specifically deals with mass continuity rather than energy fluxes or energy accounting, so this choice does not describe what the equation expresses.
Option 3: conservation of momentum. Momentum conservation leads to the momentum equations (like Euler or Navier–Stokes), which are distinct from the continuity equation; the continuity equation is not about momentum transfer but about mass change within a region.
Option 4: conservation of angular momentum. Angular momentum conservation relates to rotational aspects and torques, not directly to the mass balance equation that the continuity equation represents; thus it is not the correct description of the continuity relation.

SPHY001 Practice Quiz - Unit 12 | LA052

The continuity equation is an expression of

View Explanation

Log in for full answers

Similar Questions

The continuity equation is an expression of

In a consumer society, many adults channel creativity into buying things

Economic stress and unpredictable times have resulted in a booming industry for self-help products

People born without creativity never can develop it

A product has a selling price of $20, a contribution margin ratio of 40% and fixed cost of $120,000. To make a profit of $30,000. The number of units that must be sold is: Type the number without $ and a comma. Eg: 20000

Which of the following statement regarding cost is correct:

Under the assumptions used in cost-volume-profit analysis, as the activity increases:

The CVP and break-even analysis are supported by a range of important assumptions. Which of the following is not an assumption of the CVP:

More Practical Tools for Students Powered by AI Study Helper

Homework AI Solver

Stylized AI Paper Writer

Plagiarism Checker Assistant

Citation AI Academic Writing Tool

In-Class Translation Assistant

AI Note Generator

AI Quiz Answers

Past Exam Questions from University Test Bank

Smart Practice Assistant

Adaptive Practice

Making Your Study Simpler