8247 + Mcqs in Chemical Engineering Page 17 McqOptions

801.	Combustion of fuel in a furnace with oxygen enriched air results in higher
A.	flue gas volume
B.	flame temperature
C.	fuel consumption
D.	stack loss
Answer» C. fuel consumption

Discussion

802.	Reducing atmosphere is maintained in a
A.	calcination kiln
B.	blast furnace
C.	soaking pit
D.	L.D. converter
Answer» C. soaking pit

Discussion

803.	Presence of SO2 in furnace gases attacks the ferrous metal by way of
A.	accelerating the rate of scaling.
B.	causing metal embrittlement.
C.	attacking the grain boundaries; particularly severe on low carbon and nickel bearing steels at high temperature.
D.	all (a), (b) and (c).
Answer» E.

Discussion

804.	Which of the following accentuates clinker-ing troubles on furnace grate burning coal?
A.	Low reactivity of carbonised residue containing high proportion of iron & sulphur.
B.	Low forced draft & fuel bed temperature.
C.	Thick firebed and preheated primary air.
D.	All (a), (b) and (c).
Answer» E.

Discussion

805.	Ingress of cold air in the furnaces through cracks, charging doors, openings etc.
A.	reduces the flue gas temperature and makes the furnace atmosphere oxidising.
B.	increases the load on the induced draft fan.
C.	reduces the furnace draught.
D.	all (a), (b) and (c)
Answer» E.

Discussion

806.	Which is a regenerative furnace ?
A.	Coke oven heating chamber.
B.	Open hearth furnace.
C.	Both (a) and (b).
D.	Neither (a) nor (b).
Answer» D. Neither (a) nor (b).

Discussion

807.	The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.
A.	arc
B.	resistance
C.	low frequency induction
D.	high frequency induction
Answer» E.

Discussion

808.	Use of pulverised coal in boilers provides
A.	higher calorific value
B.	better combustion
C.	smokeless burning
D.	less erosion on furnace wall.
Answer» C. smokeless burning

Discussion

809.	Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant ?
A.	Cash reserve.
B.	Rate of return on investment.
C.	Payout period.
D.	Discounted cash flow based on full life performance.
Answer» B. Rate of return on investment.

Discussion

810.	Expenditure on research and development (R & D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.
A.	overhead cost
B.	fixed expenses
C.	general expenses
D.	direct production cost
Answer» D. direct production cost

Discussion

811.	A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.
A.	121
B.	110
C.	97
D.	91
Answer» B. 110

Discussion

812.	With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project
A.	decreases
B.	increases
C.	increases linearly
D.	remains constant
Answer» B. increases

Discussion

813.	Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.
A.	1
B.	5
C.	10
D.	30
Answer» D. 30

Discussion

814.	Which of the following is not a current asset of a chemical company ?
A.	Inventories
B.	Marketable securities
C.	Chemical equipments
D.	None of these.
Answer» D. None of these.

Discussion

815.	Which of the following does not come under the sales expenses for a product of a chemical plant ?
A.	Advertising
B.	Warehousing
C.	Legal fees
D.	Customer service.
Answer» D. Customer service.

Discussion

816.	In financial accounting of a chemical plant, which of the following relationship is invalid?
A.	Assets = equities
B.	Assets = liabilities + net worth
C.	Total income = costs + profits
D.	Assets = capital.
Answer» E.

Discussion

817.	Depreciation
A.	costs (on annual basis) are constant when the straight line method is used for its determination.
B.	is the unavoidable loss in the value of the plant, equipment and materials with lapse in time.
C.	does figure in the calculation of income tax liability on cash flows from an investment.
D.	all (a), (b) and (c).
Answer» E.

Discussion

818.	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.
Answer» C. discrete compound interest.

Discussion

819.	Effluent treatment cost in a chemical plant is categorised as the __________ cost.
A.	fixed
B.	overhead
C.	utilities
D.	capital
Answer» D. capital

Discussion

820.	Factory manufacturing cost is the sum of the direct production cost
A.	fixed charges and plant overhead cost.
B.	and plant overhead cost.
C.	plant overhead cost and administrative expenses.
D.	none of these.
Answer» B. and plant overhead cost.

Discussion

821.	Fixed capital investment of a chemical plant is the total amount of money needed to supply the necessary plant and manufacturing facilities plus the working capital for operation of the facilities. Which of the following components of fixed capital investment requires minimum percentage of it ?
A.	Electrical installation cost.
B.	Equipment installation cost.
C.	Cost for piping.
D.	Equipment insulation cost.
Answer» E.

Discussion

822.	Following the six-tenth factor rule, if a log-log plot of capacity of the equipment vs. cost of the equipment is made, then a straight line is obtained, whose slope is equal to
A.	0.1
B.	0.6
C.	0.2
D.	0.8
Answer» C. 0.2

Discussion

823.	Profit is equal to revenue minus
A.	book value
B.	total cost
C.	operating cost
D.	none of these
Answer» C. operating cost

Discussion

824.	Which of the following methods of depreciation calculations results in book values greater than those obtained with straight line method ?
A.	Multiple straight line method
B.	Sinking fund method
C.	Declining balance method
D.	Sum of the years digit method
Answer» C. Declining balance method

Discussion

825.	Total product cost of a chemical plant does not include the __________ cost.
A.	market survey
B.	operating labour, supervision and supplies
C.	overhead and utilities
D.	depreciation, property tax and insur-rance
Answer» B. operating labour, supervision and supplies

Discussion

826.	Depreciation is __________ in profit with time.
A.	decrease
B.	increase
C.	no change
D.	none of these
Answer» B. increase

Discussion

827.	Gantt chart (or Bar chart) is helpful in
A.	efficient utilisation of manpower and machines.
B.	preparing production schedule.
C.	efficient despatching of products.
D.	inventory control.
Answer» C. efficient despatching of products.

Discussion

828.	The value of a property decreases __________ with time in straight line method of determining depreciation.
A.	linearly
B.	non-linearily
C.	exponentially
D.	logarithmically
Answer» B. non-linearily

Discussion

829.	The __________ of a chemical company can be obtained directly from the balance sheet as the difference between current assets and current liabilities.
A.	cash ratio
B.	net working capital
C.	current ratio
D.	liquids assets
Answer» C. current ratio

Discussion

830.	Which of the following ceramic packing materials is the costliest of all ?
A.	Berl saddles
B.	Raschig rings
C.	Pall rings
D.	Intalox saddles
Answer» B. Raschig rings

Discussion

831.	Manufacturing cost in a chemical company does not include the
A.	fixed charges.
B.	plant overheads.
C.	direct products cost.
D.	administrative expenses.
Answer» E.

Discussion

832.	Nylon-6 as compared to nylon-66 is
A.	harder.
B.	more abrasion resistant.
C.	having higher melting point.
D.	none of these.
Answer» E.

Discussion

833.	Most commonly used rubber vulcanisation agent is
A.	sulphur
B.	bromine
C.	platinum
D.	alumina
Answer» B. bromine

Discussion

834.	Which of the following is not a polymer of two monomers ?
A.	Teflon
B.	Bakelite
C.	SBR
D.	None of these
Answer» B. Bakelite

Discussion

835.	Polypropylene is preferred to polythene, because the former is
A.	non-inflammable
B.	harder
C.	stronger
D.	both(b) & (c)
Answer» E.

Discussion

836.	Synthetic rubber
A.	deforms, if stretched to double of its original dimension.
B.	is brittle at low temperature
C.	is softer at higher temperature.
D.	is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases.
Answer» E.

Discussion

837.	Silicone resins, which are highly water repellant and has good heat resistance can not be used
A.	as room temperature adhesive.
B.	as grease & lubricant.
C.	hydraulic fluid for heat transfer.
D.	resin for lamination.
Answer» B. as grease & lubricant.

Discussion

838.	A shareholder has __________ say in the affairs of company management compared to a debenture holder.
A.	more
B.	less
C.	same
D.	no
Answer» B. less

Discussion

839.	In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
A.	viscose rayon
B.	acrylic
C.	polyvinyl acetate
D.	saturated polyester
Answer» E.

Discussion

840.	Which of the following is generally not drawn into fibre ?
A.	Polyamide
B.	Unsaturated polyesters
C.	Saturated polyesters
D.	Polyacrylonitrile
Answer» C. Saturated polyesters

Discussion

841.	Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ C for producing nylon-6.
A.	-20 to 25
B.	50 to 75
C.	100 to 150
D.	250-280
Answer» E.

Discussion

842.	Which of the following is not a natural polymer ?
A.	Nucleic acids e.g. RNA and DNA
B.	Polysaccharides
C.	Polyisoprene
D.	Polyurethane
Answer» E.

Discussion

843.	Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
A.	acrylic
B.	polyester
C.	nylon 6:6
D.	polypropylene
Answer» B. polyester

Discussion

844.	Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
A.	electrical insulation purpose.
B.	tanning of leather.
C.	strengthening of plaster of paris.
D.	decorative laminates.
Answer» D. decorative laminates.

Discussion

845.	In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
A.	PTFE
B.	Buna-S
C.	PMMA
D.	Polycaprolactum
Answer» C. PMMA

Discussion

846.	Cation exchange resins used in water treatment is made from __________ resin.
A.	urea formaldehyde
B.	epoxy
C.	amino
D.	phenolic
Answer» B. epoxy

Discussion

847.	Nylon-66 compared to nylon-6 has
A.	lower melting point.
B.	more abrasion resistant properties.
C.	higher hardness.
D.	all (a), (b) and (c).
Answer» D. all (a), (b) and (c).

Discussion

848.	Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
A.	improving the stretchability
B.	dyeing/colouring
C.	detergent solution washing
D.	glycol soaking
Answer» D. glycol soaking

Discussion

849.	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
Answer» E.

Discussion

850.	Relative cost of chemical process plants in India is about __________ percent more than the similar plants in U.S.A.
A.	15
B.	35
C.	55
D.	75
Answer» C. 55

Discussion

Explore topic-wise MCQs in Engineering.

Combustion of fuel in a furnace with oxygen enriched air results in higher

Reducing atmosphere is maintained in a

Presence of SO2 in furnace gases attacks the ferrous metal by way of

Which of the following accentuates clinker-ing troubles on furnace grate burning coal?

Ingress of cold air in the furnaces through cracks, charging doors, openings etc.

Which is a regenerative furnace ?

The electric furnace in which heat is produced by a combination of induced current and skin effect is called __________ furnace.

Use of pulverised coal in boilers provides

Which of the following is not a mathematical method for evaluation of profitability of a chemical process plant ?

Expenditure on research and development (R &amp; D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.

A present sum of Rs. 100 at the end of one year, with half yearly rate of interest at 10%, will be Rs.

With increase in the discounted cash flow rate of return, the ratio of the total present value to the initial investment of a given project

Maximum production start up cost for making a chemical plant operational is about __________ percent of the fixed capital cost.

Which of the following is not a current asset of a chemical company ?

Which of the following does not come under the sales expenses for a product of a chemical plant ?

In financial accounting of a chemical plant, which of the following relationship is invalid?

Depreciation

Effluent treatment cost in a chemical plant is categorised as the __________ cost.

Factory manufacturing cost is the sum of the direct production cost

Fixed capital investment of a chemical plant is the total amount of money needed to supply the necessary plant and manufacturing facilities plus the working capital for operation of the facilities. Which of the following components of fixed capital investment requires minimum percentage of it ?

Following the six-tenth factor rule, if a log-log plot of capacity of the equipment vs. cost of the equipment is made, then a straight line is obtained, whose slope is equal to

Profit is equal to revenue minus

Which of the following methods of depreciation calculations results in book values greater than those obtained with straight line method ?

Total product cost of a chemical plant does not include the __________ cost.

Depreciation is __________ in profit with time.

Gantt chart (or Bar chart) is helpful in

The value of a property decreases __________ with time in straight line method of determining depreciation.

The __________ of a chemical company can be obtained directly from the balance sheet as the difference between current assets and current liabilities.

Which of the following ceramic packing materials is the costliest of all ?

Manufacturing cost in a chemical company does not include the

Nylon-6 as compared to nylon-66 is

Most commonly used rubber vulcanisation agent is

Which of the following is not a polymer of two monomers ?

Polypropylene is preferred to polythene, because the former is

Synthetic rubber

Silicone resins, which are highly water repellant and has good heat resistance can not be used

A shareholder has __________ say in the affairs of company management compared to a debenture holder.

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.

Which of the following is generally not drawn into fibre ?

Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ C for producing nylon-6.

Which of the following is not a natural polymer ?

Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the

In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?

Cation exchange resins used in water treatment is made from __________ resin.

Nylon-66 compared to nylon-6 has

Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.

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.

Relative cost of chemical process plants in India is about __________ percent more than the similar plants in U.S.A.

Expenditure on research and development (R & D) is categorised as the __________ , while making an estimate of the total product cost for a chemical plant.