Which of the following is an example of stress corrosion ?

Related Mcqs:

1. Factor of safety is the ratio of the ___________________ stress to the working stress?

   A. Tensile B. Compressive C. Yield D. Bearing...

2. Which of the following is an example of cathodic protection of metals against corrosion ?

   A. Painted steel B. Galvanised iron C. Case hardened steel D. Lead lined reactor...

3. Galvanic corrosion cannot be prevented by___________________?

   A. Cathodic protection B. Anodic protection C. Usage of largest possible anodic area D. Any one of these...

4. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?

   A. Tin B. Lead C. Zinc D. Glass...

5. Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gasair mixture), rendering it the property of the most explosive gas ?

   A. Hydrogen B. Acetylene C. Carbon monoxide D. Ammonia...

6. Which of the following is not a secondary air pollutant ?

   A. Ozone B. Photochemical smog C. Sulphur dioxide D. All A., B. & C....

7. Which of the following acts as a natural source of air pollution ?

   A. Forest fire B. Deforestation C. Volcanic eruption D. None of these...

8. A Carnot cycle consists of the following steps ?

   A. Two isothermal and two isentropic B. Two isobaric and two isothermal C. Two isochoric and two isobaric D. Two isothermals and two isochoric...

9. Which of the following is Virial equation of state ?

   A. (p + a/V2)(V – b) = nRT B. PV = nRT C. PV = A + B/V + C/V2 + D/V3 + … D. None of these...

10. Which of the following is not correct for a reversible adiabatic process ?

    A. TVγ-1 = constant B. p1-γ.TY = constant C. PVγ = constant D. None of these...