Stoichiometru

1

Pick out the wrong unit conversion of heat transfer co-efficient.


A. 1 kcal/`m^2.hr.^circC` = 0.2048 BTU/`ft^.hr.^circF`. = 1.163 W/`m^2.^circK`
B. 1 kcal/`m^2.hr.^circK` = 1.163 W/`m^2.^circC`
C. 1 W/`m^2 .^circC` = 0.1761 BTU/`ft^2.hr.^circ`F
D. 1 BTU/`ft^2.hr.^circF` = 4.88 kcal/`m^2.hr^circC` = 20.44 kJ/`m^2.hr^circC` = 5.678 W/`m^2.^circC.`
E. `

2

Which equation is not an equation of state ?

A. PV = RT + B/V + y/`V^2 + `........
B. (P + a/`V^2`)(V - b) = RT
C. `log_e`` P/P_0 = lambda/R (1/T_0 - 1/T)`
D. `P= (RT)/(V -b) - (a)/(TV^2)`

3

Acidity or alkanity of a solution is expressed by its pH value, which is defined as (where, [H+] = hydrogen ion concentration in the solution).

A. log `(1)/([H^+])`
B. - log `(1)/([H^+])`
C. `(1)/(log [H^+])`
D. none of these

4

Pick out the wrong unit conversion of temperature.

A. o R =` 273 + ^circ F`
B. temperature difference of` 1^circK = 1^circC` =`9/5` oF
C. o C = (F - 32) x 0.555
D. o F = ( o C + 17.778) x 1.8

5

The molecular velocity of a real gas is proportional to (where, T = absolute temperature of the gas).

A. `sqrt(T)`
B. T
C. `T^2`
D. `1//sqrt(T)`