⚗️ Chemical Engineering Solved MCQs with Answers

Practice 1920 approved ⚗️ Chemical Engineering questions with verified answers from the 🛠️ Engineering Essentials subject for Pakistan exams.

1920 solved MCQs

The amount of compounded interest during 'n' interest periods isAnswer: p[(1+i)ⁿ-1)] The __________ of a chemical company can be obtained directly from the balance sheet as the difference between current assets and current liabilities.Answer: Net working capital Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate asAnswer: Gr⁰·²⁵, Gr Which of the following ceramic packing materials is the costliest of all ?Answer: Berl saddles Manufacturing cost in a chemical company does not include theAnswer: Administrative expenses. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantityAnswer: Remains unchanged. Expenditure on research and development (R & D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.Answer: General expenses Copper deposits are found in India at the following location:Answer: Khetri For a typical project, the cumulative cash flow is zero at theAnswer: Break even point. An investment of Rs. 100 lakhs is to be made for construction of a plant, which will take two years to start production. The annual profit from the operation of the plant is Rs. 20 lakhs. What will be the pay back time ?Answer: 7 years 'Lang factor' is defined as the ratio of the capital investment to the delivered cost of major equipments. The value of 'Lang factor' for fixed capital investment, for a solid-fluid processing chemical plant ranges fromAnswer: 4.2 to 4.4 A balance sheet for a chemical plant shows its financial condition at any given date. It does not contain the __________ of the plant.Answer: Profit Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.Answer: 10⁻³ The 'total capital investment' for a chemical process plant comprises of the fixed capital investment and theAnswer: Working capital Corrosion of metals can not be prevented by itsAnswer: Tempering Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value ofAnswer: Grashoff number & Reynolds number. The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to beAnswer: Parabolic Energy of the sun arises mainly from __________ reactions.Answer: Fusion Generally, income taxes are based on theAnswer: Gross earning Which of the following fastening devices has a head at one end and a nut fitted to the other ?Answer: Stud A balance sheet for an industrial concern showsAnswer: The financial condition at any given time. Sudden fall of atmospheric pressure by a large amount is an indication of theAnswer: Storm Purchased cost of equipments for a chemical process plant ranges from __________ percent of the fixed capital investment.Answer: 20 to 40 In a chemical process plant, the total product cost comprises of manufacturing cost and theAnswer: General expenses Which of the following is not a component of the fixed capital for a chemical plant facility?Answer: Raw materials inventory. Functional depreciation of an equipment is the measure of decrease in its value due to itsAnswer: Obsolescence The ratio of gross annual sales to the fixed capital investment is termed as the __________ ratio.Answer: Turnover Effective and nominal interest rates are equal, when the interest is compoundedAnswer: Annually The amount of simple interest during 'n' interest period is (where, i = interest rate based on the length of one interest period, p = principal)Answer: p.i.n. Pick out the correct statement.Answer: Unamortised cost is the difference between the original cost of a property and all the depreciation charges made to date.