If the / ( , are phases) interfacial energy is given as 10N/mm and t – McqOptions

MCQOPTIONS

1.	If the / ( , are phases) interfacial energy is given as 10N/mm and the particles are spherical with a radius 2.5mm, P (extra pressure due to curvature of / ) is given approximately by_________
A.	8 N/mm<sup>2</sup>
B.	4 N/mm<sup>2</sup>
C.	3 N/mm<sup>2</sup>
D.	2 N/mm<sup>2</sup>
Answer» B. 4 N/mm<sup>2</sup>

Discussion

No Comment Found

Related MCQs

The structure of interface plays a key role in determining its energy. Which among the energy considerations play a major role when their sizes are large and small respectively?
Generic high angle grain boundaries are typically___________
If the surface area of the large particle remains unchanged the increase in free energy will be due to the____
The free energy increase due to interfacial energy is known as_____
MnS in steel is an example of _____
There is an increase in free energy due to interfacial energy is known as a capillarity effect or the Gibbs-Thomson effect. Find the increase in this free energy if the interfacial energy, the molar volume and the radius of the spherical particle are given as 10 (kJ/mm<sup>2</sup>), 6mm<sup>3</sup>/mol and 4mm respectively?
If the / ( , are phases) interfacial energy is given as 10N/mm and the particles are spherical with a radius 2.5mm, P (extra pressure due to curvature of / ) is given approximately by_________
For a particular or given diffusion coefficient, which among the following interface moves the slowest?
Solidification front is an example of_________
Grain boundaries are an example of a_________