603Chemical EngineeringMedium
High speed steel should have high________?
AWear resistance
BHardenability
CToughness
DBoth B. & C.
Correct answer
D. Both B. & C.
Explanation
The correct answer is Both B. & C..
Correct answer
D. Both B. & C.
Explanation
The correct answer is Both B. & C..
Refractive index of a petrofuel which is the ratio of velocity of light in air to its velocity in the petrofuel gives an indication if its________?
Beyond what concentration of H2S in air, acute danger to human life exists?
Refractory bricks having high thermal conductivity is desirable, when it is to be used in the ________?
Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ________ kcal/kg?
The vapour pressure exerted by the moisture contained in a wet solid depends upon the________?
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an________?