B. 1.987 & 0.66

C. 3.987 & 1.987

D. 0.66 & 1.987

B. 100

C. 0

D. 50

A. -30.2

C. -55.2

D. 55.2

A. Accomplishes only space heating in winter

B. Accomplishes only space cooling in summer

D. Works on Carnot cycle

B. H = F TS

C. None of these

D. H = E PV

A. The surface tension vanishes

B. There is no distinction between liquid and vapour phases

C. Liquid and vapour have the same density

B. Xc greater/less than Xs depending on the length of the cylinder

C. Xc = Xs

D. Xc > Xs

A. Same

B. Less

C. Data insufficient to predict

B. Less

C. Unpredictable; depends on the particular reaction

D. More

B. Average

C. None of these

D. Highest

A. Remains unchanged

B. First decreases and then increases

C. Decreases

B. Under reversible isothermal volume change

C. During cooling of an ideal gas

D. During heating of an ideal gas

A. Temperature

B. Pressure

D. All A , B. and C

A. Low temperature

B. High pressure

D. Neither A. nor B

A. 50

C. 205

D. 100

B. Avogadros

C. Gay-Lussacs

D. Daltons

A. None of these

B. 2HI ? H2 + I2

D. 2SO2 + O2 ? 2SO3

A. At constant pressure

B. By throttling

C. None of these

A. Increase or decrease; depends on the particular reaction

B. Increase

D. Decrease

B. Nernst Heat Theorem

C. Maxwells equation

D. Van Laar equation

A. 300

C. 373

D. 273

B. Chemical rock

C. Clastic rock

D. Organic rock

A. Deviate from ideal gas behaviour to the same degree

B. Have nearly the same compressibility factor

D. Neither A. nor B.

A. 1 kcal = 3.968 BTU = 0.00116 kWh = 0.00156 hp

B. 1 ton of TNT (tri-nitro-toluene) = 4.2 GJ (1G = 109)

C. 1 ft.lbf= 0.3238 calorie = 0.1383 kg.m = 1.356 J = 1.356 N.m

A. Molecules with symmetrical arrangement (e.g., CH4 and CCl4) are non-polar

B. ionise

D. Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do

E. Most of the hydrocarbons are non-polar

A. pared to the tube

C. The method of fixing tubes to a tube sheet by expanding is called tube rolling

D. Lug supports are less expensive than other type of supports

E. A pipe is differentiated from a tube by the fact that a pipe has a greater wall thickness

A. 3 gms of carbon

C. 6.02 1023 atoms of hydrogen

D. 3.01 1023 molecules of methane

A. Isotones

B. Isobars

D. None of these

B. Paraffins

C. Olefins

D. Aliphatic compounds

A. Chlorine

B. Nitrogen

C. Ethane

A. None of these

B. 1 mm Hg = 1 torr = 133.3 Pa

D. 1 atm. = 760 mm Hg = 29.92 inch Hg = 14.7 psi = 1.013 bar = 1.013 kgf/cm2

A. Entropy of a system decreases with the evolution of heat

B. Surface tension of a substance vanishes at critical point, as there is no distinction between

D. uid and vapour phases at its critical point

E. Change of internal energy is negative for exothermic reactions

A. Solvent is from high concentration to low concentration region

B. Solute takes place

C. None of these

A. Nature of solvent

B. Nature of solute

D. Concentration of solution

B. Combustion reactions are never endothermic in nature

C. Heat of reaction at constant volume is equal to the change in internal energy

D. Enthalpies of all elements in their standard states are assumed to be zero

B. Law of Petit and Dulong

C. Troutons rule

D. Nernst heat theorem

A. BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water)

B. Biological oxygen demand (BOD) is a characteristic and not a constituent of water

C. logical decomposition of the organic matter present in water stream present as food for the

E. ing organism

F. BOD is a measure of the amount of oxygen which will be demanded & used in 5 days by the

A. stance in the molten state</strong>

B. Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom

C. There is an increase in entropy, when a spontaneous change occurs in an isolated system

D. At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

B. 9-Jan

C. 2-Jan

D. 9-May

A. micronic dust particles present in flue gas

B. t particles from flue gases at very high temperature</strong>

C. None of these

D. A slight haze at the top of chimney indicates good combustion in the furnace

E. Electrostatic precipitator is the most efficient dust collection equipment for removal of

A. hanged

B. Work is a state function

C. Entropy and enthalpy are path functions

E. In a closed system, the energy can be exchanged with the surrounding, while matter cannot be

A. Measures the elevation in boiling point

C. Is not dependent on the temperature

D. Measures the depression in freezing point

A. Hydration

C. Dialysis

D. Electrolysis

B. Potential Source Rock

C. Unconventional Source Rock

D. All of above

B. Increase

C. None of these

D. Remain unchanged

A. s compared to that for strong acids and bases

B. a</strong>

C. solution of the anhydrous substance and its heat of hydration

D. ure & amount of the solute & the solvent, on the temperature & on the initial & final

E. centrations of the solution

F. The accompanying enthalpy change, when a solute is dissolved in solvent, depends upon the

A. Theoretical equations

B. Empirical equations

D. Experimental data

B. Number of neutrons

C. Atomic mass

D. Mass number

A. Increases its freezing point

B. Increases its boiling point

C. Decreases its freezing point

A. 1 Kcal

C. Sensible heat

D. Specific heat