The most blister form of copper is__________?

Related Mcqs:

1. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the____________________?

   A. Ability to absorb shock
   B. Capacity to store energy
   C. Ratio of the wire & coil diameters
   D. Load to produce unit deflection

2. The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by_________________?

   A. Biological oxygen pond
   B. Aerated lagoons
   C. Trickling filters
   D. Gravity separator having oil skimming devices

3. To obtain integrated form of Clausius-Clapeyron equation, ln (P2/P1) = (ΔHV/R) (1/T1 – 1/T2) from the exact Clapeyron equation, it is assumed that the____________________?

   A. Volume of the liquid phase is negligible compared to that of vapour phase
   B. Vapour phase behaves as an ideal gas
   C. Heat of vaporisation is independent of temperature
   D. All A , B. & C.

4. Absorption/evolution of heat during conversion of a substance from one allotropic form to another is termed as the heat of _____________________?

   A. Sublimation
   B. Fusion
   C. Transition
   D. Vaporisation

5. Heat evolved/absorbed during conversion of a substance from one allotropic form to another is termed as the heat of______________?

   A. Fusion
   B. Vaporisation
   C. Transition
   D. None of these

6. The equilibrium data of component A in the two phases B and C are given below. The estimate of Y for X = 4 by fitting a quadratic expression of a form Y = mX2 for the above data is ____________________?

   A. 15.5
   B. 16
   C. 16.5
   D. 17

7. The escape velocity of a body on earth which is independent of its mass is about ______________________ km/second?

   A. 3
   B. 7
   C. 11
   D. 15

8. Corona discharge is related to the operation of a/an_______________________?

   A. Induction motor
   B. Electrostatic precipitator
   C. Fast breeder reactor
   D. Magneto hydrodynamic generator (MHD)

9. Ringelmann chart is used for the evaluation of _____________ pollution?

   A. Air
   B. Water
   C. Noise
   D. Radioactive

10. During sewage treatment, the sewage is subjected to ______________ treatment in Imhoff tank?

    A. Filtration
    B. Digestion
    C. Sedimentation
    D. Both B. and C.