A. Positive
B. None of these
C. Negative
A. 1
B. ?
C. #NAME?
B. Liquid
C. Saturated vapour
D. Solid
A. its internal energy (U) decreases and its entropy (S) increases
C. U decreases but S is constant
D. U is constant but S decreases
A. R d ln f
D. R d ln P
A. None of these
B. Pressure
C. Entropy
A. Enthalpy
B. Volume
D. Neither A nor B
B. 50
C. 100
D. 205
A. (?T/?V)S = (?P/?S)V
B. (?S/?P)T = (?V/?T)P
D. (?V/?S)P = (?T/?P)S
B. 0
C. 1
A. Bertholet equation
C. None of these
D. Beattie-Bridgeman equation
A. Heat of reaction
C. Heat of formation
D. Calorific value
A. 0
C. 3
D. 1
A. dQ = CpdT + Vdp
C. dQ = CvdT + PdV
D. Tds = dE PdV
A. Less than
C. More than
D. Not related to
A. Fugacity
C. Activity co-efficient
D. Activity
A. The available energy in an isolated system for all irreversible (real) processes decreases
B. nge in Helmholtz free energy
D. The efficiency of a Carnot engine increases, if the sink temperature is decreased
E. The reversible work for compression in non-flow process under isothermal condition is the
B. Surface tension
C. Refractive index
D. Specific heat
A. Volume
C. Temperature
D. None of these
A. Cp > Cv
C. C ? Cv
D. Cp < Cv
B. Troutons ratio of non-polar liquids is calculated using Kistyakowsky equation
C. Thermal efficiency of a Carnot engine is always less than 1
B. PV? = constant
C. TV?-1 = constant
D. p1-?.TY = constant
A. Snow melts into water
B. A gas expands spontaneously from high pressure to low pressure
C. Water is converted into ice
A. In an isothermal system, irreversible work is more than reversible work
B. Matter and energy cannot be exchanged with the surroundings in a closed system
D. Heat, work, enthalpy and entropy are all state functions
C. At constant pressure
D. By throttling
A. NH3
B. CCl2F2
C. SO2
A. Data insufficient, cant be predicted
B. More than
C. Less than
A. Unity
C. Infinity
D. Negative
A. Increases
B. Remain same
C. May increase or decrease; depends on the nature of the gas
A. Specific entropy
C. All (A), B. and (C)
D. Specific Gibbs free energy
A. Low temperature
B. High pressure
D. Neither A. nor B
A. J/s
C. J/kmol
D. kmol/J
B. Freezing
C. Boiling
D. Triple
A. Second
B. Minute
C. Hour
A. Accomplishes only space heating in winter
B. Accomplishes only space cooling in summer
D. Works on Carnot cycle
A. Remains unchanged
B. Decreases
C. May increase or decrease; depends on the substance
A. All A, B. & C
C. Pressure
B. Solid-vapor
C. Liquid-vapor
D. Solid-liquid
A. (?T/?V)S, ni = -(?P/?S)V, ni
C. (?S/?V)T, ni = (?P/?T)V, ni
D. (?S/?P)T, ni = (?V/?T)P, ni
B. Zero
C. Two
D. Three
B. An ideal liquid or solid solution is defined as one in which each component obeys Raoults
C. If Raoults law is applied to one component of a binary mixture; Henrys law or Raoults law is
E. lied to the other component also
F. Henrys law is rigorously correct in the limit of infinite dilution
B. Point function
C. State description of a system
D. Property of the system
B. 6.5
C. 4.5
D. 1.5
C. H = E PV
D. H = F TS
A. Irreversible
B. Adiabatic
C. Isothermal
B. Adiabatic expansion of steam in a turbine
C. Ideal compression of air
D. Adiabatic compression of a perfect gas
A. Infinity
A. Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom
B. At absolute zero temperature, the heat capacity for many pure crystalline substances is zero
D. stance in the molten state</strong>
E. There is an increase in entropy, when a spontaneous change occurs in an isolated system
B. Zero in both the phases
C. More in vapour phase
D. More in liquid phase
A. T1/(T1 T2)
B. (T1 T2)/T2
C. (T1 T2)/T1
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