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Council of Scientific and Industrial Research

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Cloud Analogy Interview Questions and Answers

Updated 12 Nov 2024
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Q1. Bruing of fuel 1 kg .we get the energy of 1 klio calori heat is call calorific value.

Ans.

Calorific value is the amount of heat energy released when a unit mass of fuel is burned.

  • Calorific value is measured in units of energy per unit of mass.

  • It is used to compare the energy content of different fuels.

  • Higher calorific value means more energy is released per unit mass of fuel.

  • Examples of fuels with high calorific value include coal, natural gas, and diesel.

  • Calorific value can be affected by factors such as moisture content and impurities in the fuel.

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Q2. What is ash ?

Ans.

Ash is the residue left after the combustion of organic materials.

  • Ash is the inorganic material that remains after the complete combustion of organic substances.

  • It is typically composed of minerals, metals, and other non-combustible elements.

  • Examples of ash include the residue left after burning wood, coal, or paper.

  • Ash can vary in color and composition depending on the source material.

  • It is commonly used as a fertilizer, in construction materials, or in the production of cer...read more

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Q3. What is calorific value?

Ans.

Calorific value is the amount of energy released when a substance is burned.

  • Calorific value is measured in units of energy per unit of mass, such as joules per gram or calories per gram.

  • It is used to determine the energy content of fuels, such as coal, oil, and natural gas.

  • Higher calorific value means more energy is released when the fuel is burned.

  • Calorific value can be affected by factors such as moisture content and impurities in the fuel.

  • For example, the calorific value o...read more

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Q4. What is use of ash?

Ans.

Ash has various uses in different industries and applications.

  • Ash is commonly used in construction as a substitute for cement in concrete production.

  • It is also used in the manufacturing of bricks, ceramics, and glass.

  • In agriculture, ash can be used as a fertilizer due to its high mineral content.

  • Ash is used in the production of soap and detergents.

  • It is utilized in the production of certain metals, such as aluminum and zinc.

  • Ash can be used as a raw material in the production ...read more

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Q5. Define pH, what is roasting, what is characterization

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Q6. Tell me about the department Why this Rt- PCR used

Ans.

The department is involved in molecular biology research and uses Rt-PCR for gene expression analysis.

  • The department focuses on studying the molecular mechanisms of various biological processes.

  • Rt-PCR is used to measure the amount of RNA in a sample and is commonly used for gene expression analysis.

  • It is a sensitive and specific technique that allows for the detection and quantification of RNA molecules.

  • Rt-PCR can be used to study the expression of specific genes in different...read more

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Q7. Working principles of different instruments

Ans.

Different instruments have different working principles depending on their design and purpose.

  • Instruments like thermometers work based on the expansion and contraction of materials due to temperature changes.

  • Microscopes use lenses to magnify and focus light to produce an enlarged image of a small object.

  • Spectrophotometers measure the absorption or transmission of light by a sample to determine its properties.

  • Electrocardiographs (ECGs) detect and record the electrical activity...read more

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Q8. What do you mean by leaching??

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Q9. Strengths of urs

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