Using oxygen enriched combustion air
Preheating the combustion air
Reducing the heat loss through furnace openings & doors
All of the above
✅ The correct answer is option D.
Engineering
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2272. An example of shaft furnace is the
L.converter
Glass melting tank
Blast furnace
Soaking pit
✅ The correct answer is option C.
2273. The __________ of a chemical company can be obtained directly from the balance sheet as the difference between current assets and current liabilities.
cash ratio
net working capital
current ratio
liquids assets
✅ The correct answer is option B.
2274. In financial accounting of a chemical plant, which of the following relationship is invalid?
Assets = equities
Assets = liabilities + net worth
Total income = costs + profits
Assets = capital.
✅ The correct answer is option D.
2275. The inventory of raw materials included in the working capital is usually about __________ months supply of raw materials valued at delivery prices.
one
three
six
twelve
✅ The correct answer is option A.
2276. “Break-even point” is the point of intersection of
fixed cost and total cost.
total cost and sales revenue.
fixed cost and sales revenue.
none of these.
✅ The correct answer is option B.
2277. Test specimen for determination of refractoriness under load (RUL) of a refractory is heated in a
Furnace employing neutral atmosphere
Carbon resistance furnace
Reducing atmosphere
Furnace employing negative pressure
✅ The correct answer is option B.
2278. Which of the following ceramic packing materials is the costliest of all ?
Berl saddles
Raschig rings
Pall rings
Intalox saddles
✅ The correct answer is option A.
2279. A balance sheet for an industrial concern shows
the financial condition at any given time.
only current assets.
only fixed assets.
only current and fixed assets.
✅ The correct answer is option A.
2280. Thermal efficiency of furnaces can be improved by
Waste heat recovery from flue gas
Minimising heat losses from furnace walls
Maintaining proper draught
All of the above
✅ The correct answer is option D.