Stoichiometry
A chemical process is said to occur under unsteady state, if the

Flow rates & composition both are time dependent
Ratio of streams entering/leaving are independent of time
None of these
Inventory changes do not take place

ANSWER DOWNLOAD EXAMIANS APP

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

1 kcal/m².hr.°K = 1.163 W/m².°C
1 W/m² . °C = 0.1761 BTU/ft².hr.°F
1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K
1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C

ANSWER DOWNLOAD EXAMIANS APP