#### 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.^circF
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)`