A. Can be determined only experimentally
B. Can be determined from the stoichiometry of the reaction
C. Cannot be zero
D. Can be fractional
Related Mcqs:
- For a first order chemical reaction, the concentration of the reactant decreases __________________ with time?
A. Linearly
B. Exponentially
C. Logarithmically
D. Inversely - If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity_________________?
A. Is trebled
B. Remains unchanged
C. Decreases by a factor of 3
D. Decreases by a factor of 1/3 - In chemical dehumidification of air___________________?
A. Both specific humidity & dry bulb temperature increases
B. Both specific humidity & dry bulb temperature decreases
C. Specific humidity decreases & dry bulb temperature increases
D. Specific humidity increases & dry bulb temperature decreases - Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is__________________?
A. Black
B. Silver grey
C. Green
D. Yellow - “Encyclopaedia of Chemical Technology” has been ____________________?
A. Authored by Kirk Othmer
B. Edited by Perry and Chilton
C. Edited by Kirk Othmer
D. Authored by Perry and Chilton - The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased ___________________ times ?
A. Two
B. Four
C. Six
D. Eight - Electrical conductivities of semi-conductors are of the order of ______________ ohm/cm ?
A. 10-3
B. 103
C. 10-15
D. 1015 - The excess air required for the combustion of pulverized coal is of the order of about _______________ percent ?
A. 5
B. 15
C. 30
D. 45 - In inventory control theory, the economic order quantity (EOQ) is the____________________?
A. Lot size corresponding to break even analysis
B. Average level of inventory
C. Optimum lot size
D. None of these - Which of the following is not categorised as the ore agglomeration process ?
A. Nodulising
B. Pelletising
C. Balling
D. Briquetting
