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- Question
Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?
Options- A. Molten sodium cooled
- B. CO2 gas cooled
- C. Pressurised water
- D. Boiling water
- Correct Answer
- Boiling water
- 1. Number of gm moles of solute dissolved in 1 kg of solvent is called its
Options- A. normality
- B. molarity
- C. molality
- D. formality Discuss
- 2. 25 per cent cut segmental baffle means that the baffle
Options- A. height is 75% of the I.D. of the shell.
- B. height is 25% of the I.D. of the shell.
- C. spacing is 75% of its height.
- D. width is 25% of its height. Discuss
- 3. The distance between the centre of a rivet hole to the nearest edge of the plate is called
Options- A. pitch
- B. margin
- C. back pitch
- D. none of these Discuss
- 4. Spalling tendency of refractories is reduced by increasing its
Options- A. porosity
- B. specific gravity
- C. thermal conductivity
- D. strength Discuss
- 5. Petroleum liquid fuels having flash point greater than 66°C is considered as safe during storage and handling. Which of the following has flash point > 66°C?
Options- A. Naphtha
- B. Petrol
- C. Kerosene
- D. Heavy fuel oil Discuss
- 6. __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'.
Options- A. Celcius
- B. Rankine
- C. Reumur
- D. Farenhite Discuss
- 7. Maximum use of petroleum coke is in
Options- A. adsorption refining operation.
- B. fuel gas manufacture.
- C. carbon electrode manufacture.
- D. iron ore reduction. Discuss
- 8. Radioactive decay is a __________ change.
Options- A. chemical
- B. nuclear
- C. physical
- D. none of these Discuss
- 9. With increase in pressure, the relative volatility for a binary system
Options- A. increases.
- B. decreases.
- C. remains same.
- D. either (a) or (b), depends on the system. Discuss
- 10. Adiabatic flame temperature of a fuel is dependent on the initial temperature of
Options- A. fuel
- B. air
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
More questions
Correct Answer: molality
Correct Answer: height is 75% of the I.D. of the shell.
Correct Answer: margin
Correct Answer: porosity
Correct Answer: Heavy fuel oil
Correct Answer: Reumur
Correct Answer: carbon electrode manufacture.
Correct Answer: nuclear
Correct Answer: decreases.
Correct Answer: both (a) & (b)
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