Correct answer
C. Polystyrene
Explanation
The correct answer is Polystyrene.
________ mills are termed as disintegrators?
Mullite is chemically represented by________?
The speed of a rotary drum vacuum filter may be about ________ rpm?
Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V – b) = RT, depends upon its________?
Separation of materials into products based on the difference of their sizes is called________?
A steel sphere of radius 0.1 m at 400°K is immersed in an oil at 300°K. If the centre of the sphere reaches 350°K in 20 minutes, how long will it take for a 0.05 m radius steel sphere to reach the same temperature (at the centre) under identical conditions? Assume that the conductive heat transfer co-efficient is infinitely large?