Which of the following phenomenon/ phenomena is/are diffusion controlled ?

Related Mcqs:

Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?

A. Temperature is low B. Atmospheric pressure is low C. Atmospheric pressure is high D. None of these...

Property responsible for the talcum powder to cling to the skin is the__________________?

A. Capillary action B. Adhesion C. Cohesion D. Surface tension...

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the___________________?

A. Final control element B. On-off control C. Floating control action D. None of these...

What is the value of entropy at 273°K ?

A. 0 B. 1 C. ∞ D. None of these...

Other parameters remaining same, the recrystallisation temperature of an alloy is lowered, when_________________?

A. Strain rate is increased B. Grain size is increased C. Prior cold deformation is increased D. Not affected by any of the above parameters...