A. ? & ?

B. ? & ?

C. ?, ?, & ?

B. Thermoplastic

C. Brittleness

D. Thermosetting

B. Polyamides

C. Ethylene glycol

D. Lignin

A. Most of the enzyme catalysed reactions involve at least two substrates

B. Catalytic activity of enzyme catalysed reactions which is affected by temperature, pH value &

C. rmodynamic properties of substrates & products

D. mical agents, is maximum at a temperature of about 45C

F. Equilibrium concentrations in enzyme catalysed reactions can be calculated by using the

A. Naphthenic oil has very low viscosity index

C. Paraffinic oil has very high viscosity index

D. Multigrade lubricating oils have high viscosity index

A. Deuterium

B. Lithium

D. Hydrogen

B. Hydrogen gas

C. Water

D. Steam

B. Working fluid in power turbine

C. Moderator

D. None of these

B. Polymer termination step

C. None of these

D. Condensation of siloxane to silicone

A. The difference between the energy of reactants and that of the products is the activation

B. A catalyst changes the equilibrium point

C. Law of mass action was suggested by Le-Chatelier

D. rgy

A. Ortho-hydrogen

B. Deuterium

C. None of these

A. Nylon-6

B. PVC

C. Polyester

A. The fuel required (i.e., deuterium & tritium) is scarce

B. It is difficult to initiate fusion reaction

D. Quantity of fuel required for initiating fusion reaction is prohibitively high

A. A very high value of equilibrium constant, K (K >> 1) indicates that the reaction is practically

B. ions

C. A particular chemical reaction is more temperature sensitive at low temperatures

E. eversible in nature

F. Non-ideal flow takes place in reactors due to recycling, channeling or by creation of stagnant

A. 70

B. 50

C. 25

A. Heat capacity of a diatomic gas is higher than that of a monatomic gas

C. Total number of molecules contained in 22.4 litres of hydrogen at NTP is 6.023 x 1023

D. The binary mixture of a particular composition in both vapor and liquid state is known as an azeotropic mixture

A. Non-reactivity to uranium

C. Lower density

D. Lower neutron capture cross-section

A. None of these

B. Have linear structure

C. Are formed by addition polymerisation

A. Non-sticky coating on frying pans

B. Cation/anion exchanger

D. Textile fibre

A. Electrical insulation

B. Toys making

C. Packaging

B. For the compressible cake, voidage & the specific resistance of the cake can be assumed to be

C. Gyratory crusher is a coarse crusher

D. stant

E. Crushing of explosive materials are done by employing dry-grinding

A. Chemical reactions with high activation energy are very temperature sensitive

B. n one

C. Half life of a reaction increases with increased initial concentration for reaction orders more

E. A flat velocity profile exists in a plug flow reactor

A. Epoxy

B. Amino

C. Phenolic

A. Produces low density polythene

B. Employs very high pressure

D. Uses no catalyst

A. Equal to

B. Either more or less

D. Less than

A. Condensation polymerisation product

C. None of these

D. Thermosetting material

A. Thiokol

B. Carbon

C. Magnesium

A. Molten sodium cooled reactor

C. Boiling water reactor (BWR)

D. Pressurised water reactor (PWR)

B. Gross calorific value (GCV) of petrofuels is equal to (12400 2100 ?2) where, ? is the specific gravity of the fuel at 15.5C

C. Aromatics have higher specific gravity than paraffins

D. Higher specific gravity of petrofuels means higher C/H ratio

B. being fed into the reactor every hour

C. ditions are being fed into the reactor</strong>

D. The space velocity of 3 hr-1 means that three reactor volumes of feed at specified conditions

E. None of these

F. The unit of space velocity is (time)-1

A. inity respectively

B. The vessel dispersion number (D/UL) for plug flow and mixed flow approaches zero and

C. In an ideal tubular flow reactor, mixing takes place in radial direction and there is no mixing in longitudinal direction

E. Space time in a flow reactor is a measure of its capacity and is equal to the residence time when the density of reaction mixture is constant

F. ticular duty</strong>

A. None of these

B. Isotones

D. Isotopes

A. 1.18

B. 1.05

D. 0.99

A. Phenolic

B. Epoxy

D. Alkyd

B. No impurities

C. Only fissile material

D. Only fertile material

A. 250C and 1 kgf/cm2

B. 50C and 1 kgf/cm2

D. 250C and 10 kgf/cm2

A. Magnetic separation method can be employed to treat both dry & wet ores

C. imum product size</strong>

D. Gyratory crusher is used for coarse crushing

E. Screens are of stationary, moving and vibratory types

A. Beryllium

C. Light water

D. Boron hydride

A. None of these

B. Teflon

C. Dacron

A. cking process

C. Lead susceptibility of petrol produced by catalytic process is more than that produced by

D. rmal cracking

E. Pyrolysis is a mild thermal cracking process

F. Operating pressure and temperature in thermal cracking process is more than that in catalytic

A. Maximum feed size determines the required roll diameter

B. For hard materials crushing, the reduction ratio should not exceed 4

D. Reduction ratio and differential roll speed affect production rate & energy consumed per unit

E. surface produced

B. Polyvinyl acetate

C. Rayon

D. Polythene

A. All A., B. and C.

C. Power generation

D. Initiating nuclear fission and fusion

B. Reduced pressure is the ratio of the existing pressure of a substance to its critical pressure

C. Reduced volume is the ratio of the existing molal volume of a substance to its critical molal volume

D. None of these

A. None of these

B. Malleable

D. Ductile

B. A copolymer

C. A condensation polymer

D. All A., B. and C.

A. Epoxy

C. Phenol formaldehyde

D. Melamine formaldehyde

A. Thermal

C. Heavy water moderated

D. Enriched uranium

A. Breeder reactor

B. Heterogeneous reactor

D. Liquid metal (e.g., molten sodium) cooled reactor

A. None of these

C. Thermoplastic

D. Addition