Chemical Engineering Plant Economics problems
- 1. Manufacturing cost in a chemical company does not include the
Options- A. fixed charges.
- B. plant overheads.
- C. direct products cost.
- D. administrative expenses. Discuss
Correct Answer: administrative expenses.
- 2. Which of the following ceramic packing materials is the costliest of all?
Options- A. Berl saddles
- B. Raschig rings
- C. Pall rings
- D. Intalox saddles Discuss
Correct Answer: Berl saddles
- 3. Following the six-tenth factor rule, if a log-log plot of capacity of the equipment vs. cost of the equipment is made, then a straight line is obtained, whose slope is equal to
Options- A. 0.1
- B. 0.6
- C. 0.2
- D. 0.8 Discuss
Correct Answer: 0.6
- 4. In a chemical process plant, the total product cost comprises of manufacturing cost and the
Options- A. general expenses
- B. overhead cost
- C. R & D cost
- D. none of these Discuss
Correct Answer: general expenses
- 5. A shareholder has __________ say in the affairs of company management compared to a debenture holder.
Options- A. more
- B. less
- C. same
- D. no Discuss
Correct Answer: more
- 6. Which of the following is the cheaptest material of construction for the storage of sodium hydroxide upto a concentration of 75%?
Options- A. Stainless steel
- B. Plain carbon steel
- C. Nickel
- D. Copper Discuss
Correct Answer: Plain carbon steel
- 7. An annuity is a series of equal payments occuring at equal time intervals, and this amount includes the sum of all payments plus interest, if allowed to accumulate at a definite rate of interest from the time of initial payment to the end of annuity term. Ordinary annuity is used in the calculation of the
Options- A. manufacturing cost.
- B. depreciation by sinking fund method.
- C. discrete compound interest.
- D. cash ratio. Discuss
Correct Answer: depreciation by sinking fund method.
- 8. Expenditure on research and development (R & D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.
Options- A. overhead cost
- B. fixed expenses
- C. general expenses
- D. direct production cost Discuss
Correct Answer: general expenses
- 9. Gantt chart (or Bar chart) is helpful in
Options- A. efficient utilisation of manpower and machines.
- B. preparing production schedule.
- C. efficient despatching of products.
- D. inventory control. Discuss
Correct Answer: preparing production schedule.
- 10. If 'S' is the amount available after 'n' interest periods for an initial principal 'P' with the discrete compound interest rate 'i', the present worth is given by
Options- A. (1 + i)n/S
- B. S/(1 + i)n
- C. S/(1 + in)
- D. S/(1 + n)i Discuss
Correct Answer: S/(1 + i)n
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