1 Kcal/kg. °C is equivalent to _______________ BTU/lb. °F ?

Related Mcqs:

1. 1 BTU/lb.←°F is equivalent to ____________ kcal/kg.°C?

   A. 1
   B. 2.42
   C. 1.987
   D. 4.97

2. 1 BTU/ft3 is approximately equal to _____________ kcal/m3?

   A. 1
   B. 9
   C. 4
   D. 252

3. If heat contents of CH4, C2H4 and C3H8 are -17.9, 12.5 and -24.8 kcal/mole respectively, than ΔH for the reaction CH4(g) + C2H4(g) ⇌ C3H8(g) will be _____________ Kcal?

   A. -19.4
   B. -30.2
   C. 55.2
   D. -55.2

4. The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?

   A. 2.79
   B. 1.987
   C. 3.99
   D. None of these

5. The value of Trouton’s ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kistyakowsky equation is used for calculation of Trouton’s ratio of _____________ liquids?

   A. Polar
   B. Non-polar
   C. Both A. & B.
   D. Neither A. nor B.

6. Except for monatomic gases, the molal heat capacity at constant volume for all gases is _____________ Kcal/Kg mole.° K?

   A. 3
   B. > 3
   C. < 3
   D. < 1

7. In the reaction, C + O2 → CO2; ΔH = – 94 kcal. What is the heat content (enthalpy) of O2 ?

   A. -94 kcal
   B. > -94 kcal
   C. < – 94 kcal
   D. Zero

8. Molar heat capacity of water in equilibrium with ice at constant pressure is __________ Kcal/kg mole. °K___________________?

   A. 0
   B. ∞
   C. 50
   D. 100

9. In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?

   A. Low temperature
   B. High pressure
   C. Both A. and B
   D. Neither A. nor B

10. In the ammonia synthesis reaction, N2 + 3H2 ⇌ 2NH3 + 22.4 kcal, the formation of NH3 will be favoured by___________________?

    A. High temperature
    B. Low pressure
    C. Low temperature only
    D. Both low temperature and high pressure