Home

What is the correct answer?

4

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

A. 130

B. 180

C. 230

D. 250

Correct Answer :

C. 230


Share this question with your friends
Show all Chemical Engineering Basics MCQ

Please do not use chat terms. Example: avoid using "grt" instead of "great".

Submit
Load More..

Related Questions

Function of fusible plug in a boiler is to Energy to be supplied to the radioactive nucleus for the emission of a… Load cells used for the measurement of weight has The atmospheric temperature during melting of ice/snow (in the atmosphere) On decreasing the grain size of a polycrystalline material, the property… Work required for compression of a gas contained in a cylinder is 7000… Gas turbine normally employs a constant __________ cycle. The critical pressure at which the latent heat of vaporisation of steam… Percentage of argon (by volume) in dry atmospheric air is about The most suitable material of construction for a sewer to carry sewage… Production of a hollow product by inflation of a tube or parison is called… Otto cycle used in spark ignition petrol engines is also known as the… The pressure outside a bubble/droplet of liquid is __________ the internal… Which of the following forces does not act on a fluid at rest? Steel is welded using the __________ flame. High speed steel tools retain their hardness upto a temperature of __________… Addition of silicon to cast iron Suitability of steel for its use in cable is judged by its strength in Internal energy of a gas obeying Van-Der- Waals equation of state, [p… Satellites burn off during re-entry to earth's atmosphere, because of… Which of the following fastening devices has a head at one end and a nut… Filler material used in welding should have __________ as compared to… Viscoelastic behaviour is observed in __________ materials. Which of the following is an undesirable property of slag produced during… Secondary hardening in steels arises out of the Maximum permissible sulphur content in steel is __________ percent. Moist air is cooled along the line of constant __________ , when it is… Lead is poured into the joint between two- __________ pipes. The best lubricants for a machine working at high temperature & load is While the oxy-acetylene flame produces a temperature of 3200°C, the…

Also checkout

Phylum - Pisces MCQ Fluid Mechanics MCQ Urologic problems in pregnancy MCQ Airport Engineering MCQ Electrostatics MCQ Transformation of Sentences MCQ General Biology MCQ Bio-Chemistry MCQ Error Detection MCQ Chemical Engineering Basics MCQ Solution MCQ Advance DBMS MCQ