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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 constituents of coal is the most important in the production of coke?
Answer: Option 4 Let'
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Which of the following is coking?
Answer: Option 1 Let'
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Thermal conductivity based continuous flue gas analyser makes use of varying thermal conductivity of the constituents of flue gases. Which of the following constituents of flue gases has the maximum thermal conductivity?
Answer: Option 1 Let'
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Mr. X has been invited to participate in a conference to be held at Buenos Aires. He has chosen the following shortest flight route: Mumbai to Frankfurt (non-stop) Frankfurt to Sao Paulo (non-stop) Sao Paulo to Buenos Aires (non-stop). Which one of the following seas will likely to be flown over by Mr. X?
Answer: Option 4 Black Sea will likely to be flown over by Mr. X.
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Which of the following types of coal represents the first stage of formation of coal?
Answer: Option 3 Peat is the first stage in the formation of coal. Normally, vegetable matter is oxidized to water and carbon dioxide. However, if plant material accumulates underwater, oxygen...
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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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Which of the following varieties of coal accounts for the maximum coal output of the world?
Answer: Option 3 Bituminous varieties of coal accounts for the maximum coal output of the world. Bituminous coal or black coal is a relatively soft coal containing a tarlike substance...
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