Unit of power is____________________?

Related Mcqs:

1. The unit of specific heat at constant pressure, Cp, in SI unit is__________________?

   A. W/m2°C
   B. J/kg°K
   C. W/m°K
   D. J/m3°K

2. The OH- concentration in a solution having pH value 3 is____________________?

   A. 10-3
   B. 10-10
   C. 10-11
   D. 10-13

3. The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

   A. R
   B. > R
   C. < R
   D. 0.5 R

4. Pick out the wrong unit conversion of heat transfer rate?

   A. 1 kcal/hr= 1.163 Watt
   B. 1 Watt = 1.163 kcal/hr
   C. 1 BTU/ft2.hr = 2.712 kcal/m2.hr
   D. 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2

5. Pick out the wrong unit conversion of temperature?

   A. °R = 273 + °F
   B. Temperature difference of 1°K = 1°C = 9/5°F
   C. °C = (F- 32) × 0.555
   D. °F = (°C + 17.778) × 1.8

6. Pick out the wrong unit conversion of calorific value?

   A. 1 kcal/kg = 1.8 BTU/lb = 4.186 kJ/kg
   B. 1 BTU/ft3 = 8.9 kcal/m3 = 0.038 MJ/m3
   C. 1 BTU/lb = 2.3 kcal/kg
   D. 1 kcal/m3 = 0.1124 BTU/ft3

7. Cp is expressed in S.I. unit as_______________?

   A. J/kg.°K
   B. 0°K
   C. W/m2.°C
   D. W/m.°K

8. Pick out the wrong unit conversion of mass transfer co-efficient?

   A. 1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar
   B. 1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar
   C. 1 lb/hr.ft2 = 4.8823 kg/hr.m2
   D. 1 kg/hr.m2 = 4.8823 lb/hr.ft2

9. 1 Pascal (unit of pressure) is equal to _______________ N/m2 ?

   A. 10
   B. 1
   C. 0.1
   D. 1000

10. Enthalpy change resulting, when unit mass of solid is wetted with sufficient liquid, so that further addition of liquid produces no additional thermal effect, is called the heat of________________?

    A. Mixing
    B. Adsorption
    C. Wetting
    D. Complete wetting