2331. Heat balance of furnace provides means of determining the
Thermal efficiency of the process
Sources of heat losses
Scope of reduction of heat losses
All of the above
✅ The correct answer is option D.
Chemical Engineering
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2332. Which is not accomplished in an underfired furnace?
Increase in heating capacity/m² of floor space
Elimination of cold spot at the bottom of the charge
Reduction in the temperature of furnace gases
Portection of the periphery of the charge from excessive radiation
✅ The correct answer is option A.
2333. Regenerators as compared to recuperators for the same duty
Store smaller quantity of waste heat
Are lighter & compact
Involve higher initial cost
All of the above
✅ The correct answer is option C.
2334. The payback method for the measurement of return on investment
gives a correct picture of profitability.
underemphasises liquidity.
does not measure the discounted rate of return.
takes into account the cash inflows after the recovery of investments.
✅ The correct answer is option C.
2335. The ‘total capital investment’ for a chemical process plant comprises of the fixed capital investment and the
overhead cost
working capital
indirect production cost
direct production cost
✅ The correct answer is option B.
2336. __________ is an indirectly heated furnace.
Open hearth furnace
Muffle furnace
Soaking pit
Reheating furnace
✅ The correct answer is option B.
2337. Casing head gasoline is the liquid
butane.
propane.
natural gas.
gasoline separated from wet natural gas by compression.
✅ The correct answer is option A.
2338. In declining balance method of depreciation calculation, the
value of the asset decreases linearly with time.
annual cost of depreciation is same every year.
annual depreciation is the fixed percentage of the property value at the beginning of the particular year.
none of these.
✅ The correct answer is option C.
2339. 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
(1 + i)n/S
S/(1 + i)n
S/(1 + in)
S/(1 + n)i
✅ The correct answer is option B.
2340. Optimum economic pipe diameter for fluid is determined by the
viscosity of the fluid.
density of the fluid.
total cost considerations (pumping cost plus fixed cost of the pipe).
none of these.
✅ The correct answer is option C.