- Dust & mists
- Smoke & fumes
- Photochemical smog & soot
- None of these
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In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is?
Answer: Option 3 The $${C_P}$$ and $${C_V}$$ are the amount of heat required to raise the temperature of a gas by an $${1^ \circ }C$$ under constant pressure and constant...
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The capacity of a classifier in 'tons of solid/hr' is given by (where, A = cross-sectional area, m² V = rising velocity of fluid, m/sec.S = percentage of solids in the suspension by volume.ρ = density of solids, kg/m³)?
Answer: Option 1 Let'
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Statement : The air and rail services have been severely disrupted due to thick fog in the northern part of the country. Courses of Action : I. The rail and air services should be temporarily suspended in the region. II. People should be advised to make their travel plan keeping in mind the probable disruption resulting in delay or cancellation of services. III. The government should immediately install modern machines which will enable it to guide the rail and air services even if the thick fog develops.?
Answer: Option 4 Keeping in mind the safety and convenience of passengers, both I and II follow. III clearly suggests a remedy to the problem and hence it also follows.
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Which of the following is the most major constituents of air pollutants?
Answer: Option 1 Let'
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Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream?
Answer: Option 4 Let'
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Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage?
Answer: Option 4 Let'
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Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
Answer: Option 1 Let'
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The process by which fine solids is removed from liquids is termed as?
Answer: Option 3 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : The State Government has abolished the scheme of providing concessional air ticket to students. Assumptions : I. Students will not travel by air in future. II. The students who resort to travel by air can bear the expenses of air ticket.?
Answer: Option 2 The scheme has been abolished not to discourage the students from travelling by air but keeping in mind that the abolition of scheme won't stop them from...
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