In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by________?
Correct answer
A. Potassium hydroxide
Explanation
The correct answer is Potassium hydroxide.
Correct answer
A. Potassium hydroxide
Explanation
The correct answer is Potassium hydroxide.
Which of the following is a natural polyamide fiber?
It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%)?
Flash point of most vegetable oils is about ________ °C?
A composite flat wall of a furnace is made of two materials ‘A’ and ‘B’. The thermal conductivity of ‘A’ is twice of that of material ‘B’, while the thickness of layer of ‘A’ is half that of B. If the temperature at the two sides of the wall are 400 and 1200°K, then the temperature drop (in °K) across the layer of material ‘A’ is________?
Hold up of material in a operating rotary drier is in the range of________?
Quartz is________?