- Preferably flow inside the tube for its easier internal cleaning
- Perferably flow outside the tube
- Flow at a very slow velocity
- Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current
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Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid?
Answer: Option 1 Let'
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Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should the rule of wearing helmet for both driver and pillion rider while driving a motor bike be enforced strictly Arguments : I. Yes. It is a rule and rules should be followed strictly by all. II. No. Each individual knows how to protect his own life and it should be left to his discretion. III. No. It does not ensure safety as only the head is protected and rest of the body is not. IV. Yes. It is a necessity as head, being the most sensitive organ, is protected by the helmet.?
Answer: Option 3 Clearly, the rule has been devised for the safety of two-wheeler riders, as majority of two wheeler accidents result in direct fall of the rider, leading to...
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Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface)?
Answer: Option 2 Let'
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Answer: Option 5 Clearly, instead of improving upon higher education, increasing the literacy rate should be heeded first. So, argument I holds. Also, more number of universities will produce more...
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Directions : Following question consists of a statement followed by three arguments I, II and III . You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should the income generated out of agricultural activities be taxed Arguments : I. No. Farmers are otherwise suffering from natural calamities and low yield coupled with low procurement price and their income should not be taxed. II. Yes. Majority of the population is dependent on agriculture and hence their income should be taxed to augment the resources. III. Yes. Many big farmers earn much more than the majority of the service earners and they should be taxed to remove the disparity.?
Answer: Option 3 Clearly, if the income of farmers is not adequate, they cannot be brought under the net of taxation as per rules governing the Income Tax Act. So,...
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Directions : Following question consists of a statement followed by four arguments I, II, III and IV. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should we impart sex education in schools Arguments : I. Yes. All the progressive nations do so. II. No. We cannot impart it in co-educational schools. III. Yes. It would certainly help in eradicating the existing misunderstanding and make the younger generation physically and mentally healthier. IV. It will destroy the moral fibre and the highly esteemed value system which we have inherited from our forefathers.?
Answer: Option 5 Only II and III are strong. Clearly, the pursuance of a policy in India cannot be based on the pretext that it is followed in other countries...
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Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling?
Answer: Option 2 Let'
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Which of the following constituents of cast iron is mainly responsible for imparting it an anti-corrosive property?
Answer: Option 1 Let'
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Which of the following is not used as a filter medium in case of corrosive liquids?
Answer: Option 4 Let'
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Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid?
Answer: Option 3 Let'
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