πŸ“Š Chemical Engineering Plant Economics
Q. A machine has an initial value of Rs. 5000, service life of 5 years and final salvage value of Rs. 1000. The annual depreciation cost by straight line method is Rs.
  • (A) 300
  • (B) 600
  • (C) 800
  • (D) 1000
πŸ’¬ Discuss
βœ… Correct Answer: (C) 800
πŸ“Š Chemical Engineering Plant Economics
Q. A reactor having a salvage value of Rs. 10000 is estimated to have a service life of 10 years. The annual interest rate is 10%. The original cost of the reactor was Rs. 80000. The book value of the reactor after 5 years using sinking fund depreciation method will be Rs.
  • (A) 40096
  • (B) 43196
  • (C) 53196
  • (D) 60196
πŸ’¬ Discuss
βœ… Correct Answer: (D) 60196
πŸ“Š Chemical Engineering Plant Economics
Q. According to six-tenths-factor rule, if the cost of a given unit at one capacity is known, then the cost of similar unit with '' times the capacity of the first unit is approximately equal to _________ times the cost of the initial unit.
  • (A) n
  • (B) n^0.6
  • (C) n^0.4
  • (D) √n
πŸ’¬ Discuss
βœ… Correct Answer: (B) n^0.6
πŸ“Š Chemical Engineering Plant Economics
Q. 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
  • (A) Manufacturing cost
  • (B) Depreciation by sinking fund method
  • (C) Discrete compound interest
  • (D) Cash ratio
πŸ’¬ Discuss
βœ… Correct Answer: (B) Depreciation by sinking fund method
πŸ“Š Chemical Engineering Plant Economics
Q. 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 payback time?
  • (A) 5 years
  • (B) 7 years
  • (C) 12 years
  • (D) 10 years
πŸ’¬ Discuss
βœ… Correct Answer: (B) 7 years
πŸ“Š Chemical Engineering Plant Economics
Q. An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be
  • (A) 1000 (1 + 0.1/4)^20
  • (B) 1000 (1 + 0.1)^20
  • (C) 1000 (1 + 0.1/4)^5
  • (D) 1000 (1 + 0.1/2)^5
πŸ’¬ Discuss
βœ… Correct Answer: (A) 1000 (1 + 0.1/4)^20

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