Related Questions

Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Depending on the radiating properties, a body will be opaque when
A p = 0, x = 0 and a = 1
B p = 1, x = 0 and a = 0
C p = 0, x = 1 and a = 0
D x = 0, a + p = 1
Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their
A Molecular sizes
B Magnitude of intermolecular forces
C Resistance to heat
D Polymerisation mechanism
One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect
A The product composition but not the fraction vaporised
B The product composition as well as the fraction vaporised
C The fraction vaporised but not the product composition
D Neither the product composition nor the fraction vaporised
The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is
A More
B Less
C Same
D Either more or less; depends on the system
Corporate resource allocation may be different depending on the speed of growth of the organization. Which of the following is inappropriate when facing rapid growth?
A Opportunities for synergy
B Past allocations and budgets
C Look to share activities
D Assess desirability of outcomes to organizational strategy
_______ is extensively used for those portions of magnetic circuit which carry steady flux and need superior mechanical properties ?
A Grey cast-iron
B Cast steel
C High carbon steel
D Stainless steel
Improvement in mechanical properties of metals in its hot working is due to the grains
A Recrystallisation
B Refinement
C Growth
D Recovery
Which of the following exercises most powerful influence on the mechanical properties of steel?
A Manganese
B Carbon
C Phosphorous
D Silicon
Which of the following mechanical properties of a material is most structure insensitive?
A Modulus of elasticity (young
B Toughness
C Percentage reduction of area
D Tensile strength

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