The diffusion coefficients are strongly dependent on ________ – McqOptions

MCQOPTIONS

1.	The diffusion coefficients are strongly dependent on ________
A.	Crystal structure
B.	Composition
C.	Grain boundaries
D.	Correlation factor
Answer» C. Grain boundaries

Discussion

No Comment Found

Related MCQs

The diffusion coefficients are strongly dependent on ________
The measured tracer diffusion coefficient is exactly the same as the self-diffusion coefficient.
Calculate the distance travelled along the x direction at time t=3sec, if the impurity diffusion coefficient is given as 2m<sup>2</sup>/sec and the relative intensity as 1(m<sup>-1</sup>)? (Take the impurity diffusion coefficient as 2.5(m<sup>2</sup>/sec))
What is the correlation factor of a body centered cubic crystal structure?
We can say roughly that the fraction of jumps that will give successful diffusion for the tracer atom is_______ (Z is the coordination number).
Calculate the probability of exchanging positions between the vacancy and the tracer atom, if the coordination number is given as 12?
After the experiment for certain time t=2sec, at a desired temperature, the specimen is sliced at different known distances along the x direction and is given as 2m. Calculate the specific intensity if the impurity diffusion coefficient is given as 2m<sup>2</sup>/sec?
Tracer method is followed to calculate the impurity diffusion coefficient utilizing radioisotopes, which are easy to detect.
The slope of a ln(IR) vs x<sup>2</sup> graph is given as -2.Calculate the value of the impurity coefficient of diffusion at time 3sec?(IR is the specific intensity)
Pre-exponential factor and the activation energy does not depend on ___