Sometimes, batch process is preferred over continuous process, when the product (A) Quality & yield cannot be achieved in continuous processes, because of long residence time (B) Sales demand is fluctuating (C) Both (A) & (B) (D) Neither (A) nor (B)

Sometimes, batch process is preferred over continuous process, when
the product
(A) Quality & yield cannot be achieved in continuous processes, because of
long residence time
(B) Sales demand is fluctuating
(C) Both (A) & (B)
(D) Neither (A) nor (B)
by

1 Answer

Answer :

(C) Both (A) & (B)
by

Related questions

Batch process is preferred over continuous process, when the (A) Product yields and quality cannot be achieved in continuous process, because of long residence time (B) Sales demand of product is not steady (C) Same equipment cannot be used for several processes of the same nature (D) All (A), (B) & (C)

Description : Batch process is preferred over continuous process, when the (A) Product yields and quality cannot be achieved in continuous process, because of long residence time (B) Sales demand of product is not steady (C) Same ... be used for several processes of the same nature (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Batch process is preferred over continuous process, when the (A) Product yields and quality cannot be achieved in continuous process, because of long residence time (B) Sales demand of product is not steady (C) Same equipment cannot be used for several processes of the same nature (D) All (A), (B) & (C)

Description : Batch process is preferred over continuous process, when the (A) Product yields and quality cannot be achieved in continuous process, because of long residence time (B) Sales demand of product is not steady (C) Same ... cannot be used for several processes of the same nature (D) All (A), (B) & (C)

Last Answer : (B) Sales demand of product is not steady

For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a (A) Batch reactor is preferred over a single CSTR for high yield (B) Tubular reactor is preferred over a single CSTR for high yield (C) Both (A) and (B) (D) Single CSTR is the most suitable

Description : For reactions in parallel viz A → P (desired product) and A → Q (unwanted product), if the order of the desired reaction is higher than that of the undesired reaction, a (A) Batch reactor is preferred over a ... a single CSTR for high yield (C) Both (A) and (B) (D) Single CSTR is the most suitable

Last Answer : (C) Both (A) and (B)

The use of space time is preferred over the mean residence time in the design of a/an (A) Batch reactor (B) Ideal tubular-flow reactor (C) Slurry reactor (D) CSTR

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Last Answer : (B) Ideal tubular-flow reactor

This process management initiative increases the effectiveness of the Sales Budget and therefore demand. a. Benchmarking b. Vendor/Just-in-Time Inventory (JIT) c. Continuous Product Improvement systems (CPI) d. Channel Support systems e. Quality Initiative Training (QIT)

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Last Answer : d. Channel Support systems

Pick out the wrong statement. (A) 'Hold back' is defined as the fraction of material that stays longer than the mean residence time (B) Study of non-ideal flow reactor is done experimentally by stimulus￾response technique (C) For studying a chemical reaction, it is desirable to monitor the reactants during initial stages and the products during the final stages of reaction (D) A batch reactor cannot be used to study the kinetics of catalytic reaction

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Last Answer : (D) A batch reactor cannot be used to study the kinetics of catalytic reaction

Advantage of continuous drying over batch drying is that the (A) Drying cost per unit weight of dried product is less (B) Product with more uniform moisture content is produced (C) Equipment size required is smaller (D) All 'a', 'b' & 'c'

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Last Answer : (D) All 'a', 'b' & 'c'

In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B

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Last Answer : (A) Low final boiling point product

Pick out the wrong statement. (A) In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time (B) In a semi-batch reactor, one reactant is charged batch wise, while the other reactant is fed continuously (C) In a continuous flow reactor, uniform concentration cannot be maintained throughout the vessel even in a well agitated system (D) In a continuous flow reactor, both the reactants and the products flow out continuously

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A decree becomes final (a) When no appeal has been preferred against the decree (b) When it conclusively determines the rights of the parties (c) Neither (a) nor (b) (d) Both (a) & (b)

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In a semi-batch reactor (A) Velocity of reaction can be controlled (B) Maximum conversion can be controlled (C) Both the reactants flow counter-currently (D) Residence time is constant

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Last Answer : (A) Velocity of reaction can be controlled

In a furnace, the heat taken by the charge/stock and the heat lost to the furnace structure & flue gases depends on the (A) Rate of firing and emissivity of flame (B) Thermal conductivity of the charge & structural materials of furnace (C) Nature of process; whether batch, continuous or intermittent (D) All (A), (B) and (C)

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Last Answer : (D) All (A), (B) and (C)

For the reversible exothermic reaction, N2 + 3H2 ⇌ 2NH3, increase of pressure would (A) Shift the equilibrium towards right (B) Give higher yield of NH3 (C) Both (B) and (C) (D) Neither (A) nor (B)

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Last Answer : (C) Both (B) and (C)

The chamber process is (A) Preferred over contact process for producing 98 to 100% H2SO4 and various oleums (B) Non-catalytic and operates only on pyrites (C) A batch process for directly producing high strength (98 to 100%) H2SO4 (D) None of these

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Work done may be calculated by the expression ∫ p dA for __________ processes. (A) Non-flow reversible (B) Adiabatic (C) Both (A) and (B) (D) Neither (A) nor (B)

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In a semi-batch reactor, (A) Mixing takes place in axial direction only (B) Velocity of reaction can be controlled (C) Condition similar to plug flow reactor exists (D) Residence time is constant

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. A batch reactor is characterised by (A) Constant residence time(B) Variation in extent of reaction and properties of the reaction mixture withtime(C) Variation in reactor volume(D) Very low conversion

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Which of the following is preferred for riveting? (A) Lap joint (B) Butt joint (C) Either (A) or (B) (D) Neither (A) nor (B)

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These TQM initiatives reduce administrative overhead; reduces the R&D cycle time and enhances the effectiveness of the promotion and sales budget. a. Concurrent Engineering (CCE); Channel Support systems and Just-in-Time Inventory b. Quality Function Deployment and Benchmarking c. Continuous Product Improvement systems (CPI) and Just-in-Time Inventory d. Channel Support systems and Six Sigma e. Quality Initiative Training (QIT)

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The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called (a) repeated stress (b) yield stress (c) fluctuating stress (d) alternating stress

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Penicillin is made employing __________ fermentation process. (A) Continuous (B) Aerobic batch (C) Anaerobic batch (D) None of these

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Choose the correct statement regarding thermal cracking. (A) Moderate changes in operating temperature does not change the depth of cracking (B) Increased residence time results in the decreased severity of cracking (C) At low pressure, the yield of lighter hydrocarbons are more (D) Greater depth of cracking gives lower octane number gasoline

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Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the __________ with the concentration of the solution. (A) Degree of ideality (B) Viscosity (C) Both 'a '& 'b' (D) Neither 'a' nor 'b'

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Marketing planning is a continuous process because A)marketing activities must parallel those of competitors. B)the time frame of plans must co -ordinate with the time frame of marketing controls. C)to have effective control, new control processes must be introduced. D)plans must be changed as forces in the marketing environment change. E)marketing managers tend to develop marketing myopia and focus on short -term plans.

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Which type of processing syste Which type of processing system tends to produce th m tends to produce the most product variety? e most product variety? a)Assembly b)Job shop c)Batch d)Continuous

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Which type of Which type of processing system processing system tends to tends to produce the produce the most product variety? product variety? a. Assembl y b. job shop c. Batch d. Continuous

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Pick out the correct statement about catalytic polymerisation. (A) H2SO4 polymerisation process gives gasoline rich in unsaturates (B) In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho H3PO4 formation, which are inactive (C) Both (A) and (B) (D) Neither (A) nor (B

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If the catalyst pore size is small in comparison with the mean free path, collisions with the pore wall controls the process'. The diffusivity under this condition is called 'Knudsen diffusivity', which is affected by the (A) Pressure (B) Temperature (C) Both (A) & (B) (D) Neither (A) nor (B)

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In any spontaneous process, the __________ free energy decreases. (A) Helmholtz (B) Gibbs (C) Both ‘a’ & ‘b’ (D) Neither 'a' nor 'b'

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For a constant volume process __________ by the system is used only to increase the internal energy. (A) Heat absorbed (B) Work done (C) Both (A) & (B) (D) Neither (A) nor (B)

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Sulphur in metallurgical coal (A) Contributes to its heating value (B) Affects the quality of steel produced as cracks develop on the surface while rolling the steel (C) Both (A) and (B) (D) Neither (A) nor (B)

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It states that mass is a commodity that can neither be heated nor destroyed with the exception of nuclear processes where the conversion of mass into energy is a fundamental principle  a. Law of Conservation of Mass  b. Law of Conservation of Energy  c. Law of Conservation of Power  d. Law of Conservation of Heat

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A space velocity of 5 hr -1 means that (A) Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour (B) After every 5 hours, reactor is being filled with the feed (C) Cent per cent conversion can be achieved in at least 5 hours (D) A fixed conversion of a given batch of feed takes 5 hours

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which among the following is the most commonly used sales promotional technique in India ? 1. Price Deals 2. Refunds and Refits 3. Both 1 and 2 4. Neither 1 nor 2 5. None of these

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A unit price elastic demand curve will touch - (1) both price and quantity axis (2) neither price axis, nor quantity axis (3) only price axis (4) only quantity axis

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Demand curve can be derived from the law of diminishlng marginal utility on which of the following assumptions? (i) Utility can be measured in quantitative terms (ii) Utility of money is constant Of these statements: A.Only (i) is true B.Both (i) and (ii) are true C.Only (ii) is true D.Neither (i) nor (ii) is true

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A unit price elastic demand curve will touch (1) both price and quantity axis (2) neither price axis, nor quantity axis (3) only price axis (4) only quantity axis

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As it places its order for truck tyres with Michelin, South Side Industrial Supply realises that it must also place an order for valve stems and balancing weights for the truck tyres. Here industrial products are characterised as having ____ demand. A)fluctuating B)inelastic C)derived D)joint

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