2266. Which of the following is a directly fired intermittant furnace?
Walking beam reheating furnace
Reverberatory furnace
Tower furnace
Tunnel kiln
✅ The correct answer is option B.
2270. Example of an indirectly heated furnace is
Hood annealing furnace
Muffle furnace
Both A and B
Neither A nor B
✅ The correct answer is option C.
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.
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.
2284. Ceramic recuperators compared to metallic recuperators for the same duty
Are lighter
Occupy more space
Are less costly
Have higher pressure differential between flue gas & air side
✅ The correct answer is option B.
2289. __________ method for profitability evaluation of a project does not account for investment cost due to land.
Net present worth
Pay out period
Discounted cash flow
Rate of return on investment
✅ The correct answer is option B.
2294. Turn down ratio of a burner
Should be as low as possible i.e., 1 : 2
Should be 1:1 for a batch type furnace.
Is the ratio of maximum to minimum permissible heat input rates
Is normally much more for a continuous furnace as compared to a batch furnace
✅ The correct answer is option C.
2299. 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.
300
600
800
1000
✅ The correct answer is option C.
2304. Heat transfer rate to the charge/stock in a furnace does not depend upon the
Type of fuels viz solid, liquid or gaseous
Flue gas temperature
Emissivity of refractory walls
Initial temperature of the charged stock
✅ The correct answer is option A.
2309. The amount of compounded interest during ‘n’ interest periods is
p[(1+i)n-1)]
p(1 + i)n
p(1 – i)n
p(1 + in)
✅ The correct answer is option A.