2231. Which of the following is a periodic furnace?
Tunnel kiln
Rotary kiln
Soaking pit
Reheating furnace
✅ The correct answer is option C.
2234. Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of
Low emissivity
High thermal conductivity
Both A and B
Neither A nor B
✅ The correct answer is option C.
2197. A series of equal payments (e.g., deposit or cost) made at equal intervals of time is known as
perpetuity
capital charge factor
annuity
future worth
✅ The correct answer is option C.
2201. Profit is equal to revenue minus
book value
total cost
operating cost
none of these
✅ The correct answer is option B.
2203. Personnel working in the market research group is reponsible for the job of
equipment selection.
product evaluation.
equipment design.
cost estimation.
✅ The correct answer is option B.
2208. Scheduling provides information about the
proper utilisation of machines.
means to minimise idle time for machines.
time of completion of job.
time of starting of job and also about how much work should be completed during a particular period.
✅ The correct answer is option D.
2214. Which of the following is the cheaptest material of construction for the storage of sodium hydroxide upto a concentration of 75% ?
Stainless steel
Plain carbon steel
Nickel
Copper
✅ The correct answer is option B.
2219. Depreciation
costs (on annual basis) are constant when the straight line method is used for its determination.
is the unavoidable loss in the value of the plant, equipment and materials with lapse in time.
does figure in the calculation of income tax liability on cash flows from an investment.
all (a), (b) and (c).
✅ The correct answer is option D.
2190. Effective and nominal interest rates are equal, when the interest is compounded
annually
fortnightly
monthly
half-yearly
✅ The correct answer is option A.