Drills are usually made of__________________?

Related Mcqs:

1. Turbidity of water is an indication of the presence of__________________?

   A. Suspended inorganic matter
   B. Dissolved solids
   C. Floating solids
   D. Dissolved gases

2. The unit of equilibrium constant of a chemical reaction is the same as that of__________________?

   A. Molar concentration
   B. Temperature
   C. Internal energy
   D. None of these

3. Broaching tools are usually made of____________________?

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

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

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

5. Pick out the wrong statement_________________?

   A. Phase rule variables are intensive properties
   B. Heat and work are both state function
   C. The work done by expansion of a gas in vacuum is zero
   D. CP and CV are state function

6. Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the__________________?

   A. Two temperatures only
   B. Pressure of working fluid
   C. Mass of the working fluid
   D. Mass and pressure both of the working fluid

7. The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?

   A. Temperature
   B. Pressure
   C. Composition
   D. All (A), B. and (C)

8. Which of the following equations is used for the prediction of activity co-efficient from experiments ?

   A. Van Laar equation
   B. Margules equation
   C. Wilson’s equation
   D. All A, B. and C

9. Cp of a gas at its critical temperature and pressure_______________?

   A. Becomes zero
   B. Becomes infinity
   C. Equals 1 kcal/kmol °K
   D. Equals 0.24 kcal/kmol °K

10. Heat of reaction at constant volume is identified with _____________ change?

    A. Enthalpy
    B. Internal energy
    C. Either A. or B
    D. Neither A. nor B