- Anthracite coal
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- Inorganic solids
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When a system in equilibrium is subjected to a change in temperature, pressure or concentration, the equilibrium is displaced in a direction which tends to undo the effect of the change. This is called the?
Answer: Option 1 Le Chatelier's principle states that a system will react to a change (disturbing the equilibrium) in such a way that it minimizes the change.
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Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture.?
Answer: Option 3 Let'
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The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )?
Answer: Option 3 Let'
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The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid )?
Answer: Option 2 Let'
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In a rotary drier, the average retention time of solid is(where Z = length of the drier, metres ρ = apparent solid density, kg/m³ L = flow rate of dry solids, kg/see. m² drier cross-section H = hold up of solid.)?
Answer: Option 1 Let'
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Directions : In each of the following questions a statement is given, followed by two conclusions. Give answer : Statement : Equality of income throughout a community is the essential condition for maximizing the total utility which the total income available could confer on the members of that community. Assumptions : I. If extra income were taken from the rich and given to the poor, the total utility experienced by the community would increase. II. Equal pay for equal work.?
Answer: Option 1 The total utility can be maximised by equality of income throughout the community, i.e., by giving extra income from the rich to the poor. So, I is...
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The substances which have a large number of free electrons and offer a low resistance are called?
Answer: Option 4 Let'
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Substances which have permeability less than the permeability of free space are known as?
Answer: Option 3 Let'
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Those substances which have so far not been resolved by any means into other substances of simpler form are called?
Answer: Option 3 Let'
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Which of the following will resist maxi-mum shock & vibration without cracking?
Answer: Option 3 Let'
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