4776Chemical EngineeringMedium
Neoprene is chemically known as________?
APolybutadiene
BPolyurethane
CPolychlorophrene
DStyrene butadiene rubber (SBR)
Correct answer
C. Polychlorophrene
Explanation
The correct answer is Polychlorophrene.
Correct answer
C. Polychlorophrene
Explanation
The correct answer is Polychlorophrene.
Slow plastic deformation of metals under a constant stress is termed as ________ failure?
Carboxymethyl cellulose (CMC) is added in detergents to act as a/an________?
A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect?
Fatty material used in soap making is ________?
The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is________?
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________?