- Anthracene
- Cresote oil
- Carbolic oil
- None of these
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Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because?
Answer: Option 3 Let'
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Directions : Each of the following question consists of a statement followed by two arguments I and II. You have to decide which of the arguments is a STRONG arguments and which is a WEAK Argument. Statement : Should there be a ban on product advertising Arguments : I. No. It is an age of advertising. Unless your advertisement is better than your other competitors, the product will not be sold. II. Yes. The money spent on advertising is very huge and it inflates the cost of the product.?
Answer: Option 5 Clearly, it is the advertisement which makes the customer aware of the qualities of the product and leads him to buy it. So, argument I is valid....
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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 coal engines be replaced by electric engines in trains Arguments : I. Yes. Coal engines cause a lot of pollution. II. Yes. Electric engines are good on performance, easy to operate and low on maintenance. III. No. India does not produce enough electricity to fulfil its domestic needs also.?
Answer: Option 2 Clearly, electric engines shall be smoke-free and thus not cause pollution as the coal engines. They also run at higher speeds and perform better. Thus, both I...
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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 India immediately stop digging coal from its mines Arguments : I. Yes. The present stock of coal will not last long if we continue mining at the present rate. II. No. We do not have alternate energy source of sufficient quantity. III. No. This will put millions of people at a disadvantage and their lives will get adversely affected and also the industry.?
Answer: Option 2 Though the reserves of coal are limited, yet stopping its use till alternate sources of energy have been discovered, is no solution to conserve it. So, I...
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Which of the following is not a product of tar distillation?
Answer: Option 4 Let'
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Which of the following is not a by-product recovered in a high temperature coal carbonisation plant?
Answer: Option 4 Let'
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Polar organic compounds are normally used as separating agents for the azeotropic and extractive distillation. Which of the following is the most important factor to be considered for the choice of the separating agent for extractive distillation?
Answer: Option 4 Let'
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Which of the following are true with regard to coal in India I. Coal is found in sedimentary rocks II. The best quality of coal is lignite III. The largest and oldest coalfied in india is known as the ruhr of india IV. The Damodar river valley is popularly known as the 'Ruhr of India'?
Answer: Option 3 The following that are true with regard to coal in India are Coal is found in sedimentary rocks, The best quality of coal is lignite and The...
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Which of the following are true with regard to coal in India I. Coal is found in sedimentary rocks II. The best quality of coal is lignite III. The largest and oldest coalfield in India is known as the 'Ruhr of India'. IV. The Damodar river valley is popularly known as the Ruhr of India.?
Answer: Option 3 The following that are true with regard to coal in India are Coal is found in sedimentary rocks, The largest and oldest coalfield in India is known...
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Light oil whose major component is benzol, is obtained by the distillation of crude tar in the temperature range of __________ °C.?
Answer: Option 1 Let'
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