List of practice Questions

A compound has a general formula \( C_aH_bO_cN_d \) and molecular weight 187. A 935 mg/l solution of the compound is prepared in distilled deionized water. The Total Organic Carbon (TOC) is measured as 360 mg/l (as C). The Chemical Oxygen Demand (COD) and the Total Kjeldahl Nitrogen (TKN) are determined as 600 mg/l (as O\(_2\)) and 140 mg/l (as N), respectively (as per the chemical equation given below). Which of the following options is/are CORRECT?
For a flowing fluid, a dimensionless combination of velocity (V), length scale (l), and acceleration due to gravity (g) would be
For the Bernoulli's equation to be applicable in a fluid flow situation, which of the following conditions is/are to be satisfied: