What is the fracture toughness of a material?

What is the fracture toughness of a material? 17.7. “Fracture toughness” describes the resistance of brittle materials to the propagation of flaws under an applied stress, and it assumes that the longer the flaw, the lower is the stress needed to cause fracture. The ability of a flaw to cause fracture depends on the fracture […]

What is a quasi-equilibrium process?

What is a quasi-equilibrium process? In thermodynamics, a quasi-static process (also known as quasi-equilibrium, from the Latin quasi, meaning ‘as if’), is a thermodynamic process that happens slowly enough for the system to remain in internal equilibrium. Any reversible process is a quasi-static one. Why quasi static process is important? Equilibrium in a system in […]

What is human-computer interaction and why is it important?

What is human-computer interaction and why is it important? Human-computer interaction (HCI) is a multidisciplinary subject that focuses on computer design and user experience. It brings together expertise from computer science, cognitive psychology, behavioural science, and design to understand and facilitate better interactions between users and machines. How human-computer interaction affects the society today? The […]

How do I change text to mtext?

How do I change text to mtext? From text to Mtext Choose Express> Text> Convert Text to Mtext. At the Select objects: prompt, select the text objects that you want to convert. If you press Enter instead, you get the Text to MText Options dialog box. How do you change the text style in AutoCAD? […]

What is conjugate depth in hydraulic jump?

What is conjugate depth in hydraulic jump? In fluid dynamics, the conjugate depths refer to the depth (y1) upstream and the depth (y2) downstream of the hydraulic jump whose momentum fluxes are equal for a given discharge (volume flux) q. The depth upstream of a hydraulic jump is always supercritical. Why momentum equation is used […]

What process results in an increase of entropy?

What process results in an increase of entropy? Increasing the number of molecules in a system also increases the number of microstates, as now there are more possible arrangements of the molecules. Therefore, any change that results in a higher temperature, more molecules, or a larger volume yields an increase in entropy. What are the […]

Has anyone ever died from turbulence?

Has anyone ever died from turbulence? Each year, approximately 58 people in the United States are injured by turbulence while not wearing their seat belts. From 1980 through June 2004, U.S. air carriers had 198 turbulence accidents*, resulting in 266 serious injuries and three fatalities. Can a plane be brought down by turbulence? TLDR – […]

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