8160Chemical EngineeringMedium
Flexible foam (for mattresses) are usually made of ________?
APolyamides
BSilicone rubber
CPolyurethanes
DPVC
Correct answer
C. Polyurethanes
Explanation
The correct answer is Polyurethanes.
Correct answer
C. Polyurethanes
Explanation
The correct answer is Polyurethanes.
________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C?
Pyrometric cone equivalent (PCE) value (Segar cone) of ‘Superduty refractories’ is more than 33 which corresponds to a temperature of ________ °C?
Dacron is a ________?
Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as ________ oil?
For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will________?
Which of the following contains maximum percentage of carbon?