N.T.P. corresponds to__________________?

Related Mcqs:

1. S.T.P. corresponds to _________________?

   A. 1 atm. absolute pressure & 15.5°C
   B. 760 mm Hg gauge pressure & 15.5°C
   C. 760 torr & 0°C
   D. 101.325 kPa gauge pressure & 15.5°C

2. Atmospheric pressure corresponds to a hydrostatic head of_________________?

   A. 13.6 cms of Hg
   B. 34 ft ofH2O
   C. 1 metre of H2O
   D. 13.6 metres of Hg

3. Shouting by a man at his full voice corresponds to a voice level of about _____________ decibels?

   A. 25
   B. 50
   C. 80
   D. 120

4. Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about ______________ decibels?

   A. 90
   B. 120
   C. 150
   D. 180

5. Normal temperature and pressure (N.T.P.) corresponds to ___________________?

   A. 0°C and 760 mm Hg
   B. 15°C and 760 mm Hg
   C. 20°C and 760 mm Hg
   D. 0°C and 1 kgf/cm2

6. Avogadro’s number is equal to__________________?

   A. 6.023 × 1023 molecules/kg.mole
   B. 6.023 × 1023 molecules/gm.mole
   C. 6.023 × 1016 molecules/kg.mole
   D. 6.023 × 1026 molecules/gm.mole

7. Refractories subjected to alternate cycles of heating & cooling are liable to loose their resistance to__________________?

   A. Thermal spalling
   B. Slag attack
   C. Fusion under load
   D. CO attack

8. The evaporation of aqueous solution of sugar causes its molarity to__________________?

   A. Decrease
   B. Increase
   C. Remain unchanged
   D. Either A. or B.; depends on the concentration of the solution

9. When a gas is subjected to adiabatic expansion, it gets cooled due to__________________?

   A. Decrease in velocity
   B. Decrease in temperature
   C. Decrease in kinetic energy
   D. Energy spent in doing work

10. Fugacity co-efficient of a substance is the ratio of its fugacity to__________________?

    A. Mole fraction
    B. Activity
    C. Pressure
    D. Activity co-efficient