Broaching tools are usually made of____________________?

Related Mcqs:

1. Gratings is associated with the measurement of____________________?

   A. Linear displacement
   B. Concavity/convexity
   C. Surface texture
   D. Flatness

2. Drills are usually made of__________________?

   A. Cermets
   B. High speed steel
   C. Alloy steel
   D. Tungsten carbide

3. Domestic refrigerator usually works on the _____________ refrigeration cycle?

   A. Carnot
   B. Air
   C. Absorption
   D. vapour-ejection

4. Which of the following is not an extensive property ?

   A. Free energy
   B. Entropy
   C. Refractive index
   D. None of these

5. During Joule-Thomson expansion of gases_________________?

   A. Enthalpy remains constant
   B. Entropy remains constant
   C. Temperature remains constant
   D. None of these

6. 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.

7. Cv for an ideal gas__________________?

   A. Does not depend upon temperature
   B. Is independent of pressure only
   C. Is independent of volume only
   D. Is independent of both pressure and volume

8. The necessary condition for phase equilibrium in a multiphase system of N components is that the____________________?

   A. Chemical potentials of a given component should be equal in all phases
   B. Chemical potentials of all components should be same in a particular phase
   C. Sum of the chemical potentials of any given component in all the phases should be the same
   D. None of these

9. “If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them”. This is ______________ law?

   A. Hess’s
   B. Kirchoff’s
   C. Lavoisier and Laplace
   D. None of these

10. For an irreversible process involving only pressure-volume work____________________?

    A. (dF)T, p <0
    B. (dF)T, p = 0
    C. (dF)T, p > 0
    D. (dA)T, v >0