- Chemical Engineering Basics - Section 1
- Chemical Engineering Basics - Section 2
- Chemical Engineering Basics - Section 3
- Chemical Engineering Basics - Section 4
- Chemical Engineering Basics - Section 5
- Chemical Engineering Basics - Section 6
- Chemical Engineering Basics - Section 7
- Chemical Engineering Basics - Section 8
- Chemical Engineering Basics - Section 9
- Chemical Engineering Basics - Section 10
- Chemical Engineering Basics - Section 11
- Chemical Engineering Basics - Section 12
- Chemical Engineering Basics - Section 13
- Chemical Engineering Basics - Section 14
- Chemical Engineering Basics - Section 15
- Chemical Engineering Basics - Section 16
- Chemical Engineering Basics - Section 17
- Chemical Engineering Basics - Section 18
- Chemical Engineering Basics - Section 19
- Chemical Engineering Basics - Section 20
- Chemical Engineering Basics - Section 21
- Chemical Engineering Basics - Section 22
- Chemical Engineering Basics - Section 23
- Chemical Engineering Basics - Section 24
- Chemical Engineering Basics - Section 25
- Chemical Engineering Basics - Section 26
- Chemical Engineering Basics - Section 27
- Chemical Engineering Basics - Section 28


Chemical Engineering Basics - Engineering
Q1: Glycerene is used as a coolant in cooling of some engines instead of water, becauseA its higher boiling point (290°C) increases its heat carrying capacity.
B compartively less weight of coolant is required.
C smaller radiator can be used.
D all a, b & c.
ANS:D - all a, b & c. Certainly! Let's break down each point: a. Its higher boiling point (290°C) increases its heat carrying capacity: Glycerene has a significantly higher boiling point compared to water (which boils at 100°C). This means that glycerene can absorb more heat before reaching its boiling point. As a result, it can effectively carry away heat from the engine components without boiling, making it suitable for use as a coolant in engines operating at higher temperatures. b. Comparatively less weight of coolant is required: Glycerene is denser than water, which means that for a given volume, glycerene weighs more than water. Therefore, to achieve the same cooling effect, a smaller volume (and hence less weight) of glycerene is required compared to water. This can be advantageous in applications where weight is a concern, such as in aircraft or portable equipment. c. Smaller radiator can be used: Because glycerene has a higher boiling point and better heat carrying capacity than water, it allows for the use of smaller radiators in cooling systems. Smaller radiators can result in lighter and more compact cooling systems, which can be beneficial in space-constrained applications or where minimizing vehicle weight is important. By combining these factors, glycerene proves to be a versatile coolant option, particularly in situations where high-temperature operation, weight savings, or compact design are priorities. |


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