A. Ordinary

B. Triangular

C. Semi-log

A. Is 120

B. Is 30

C. Is 90 at the most

B. -1, -4

C. 1, 4

D. 2, 3

A. 92

B. 200

D. 235

B. Teflon

C. Fibre glass

D. Asbestos

A. Control the chain reaction

C. Absorb the secondary neutrons

D. None of these

A. Refractive index

B. Optical activity

D. Kinematic viscosity

A. Electronic configuration

B. Chemical properties

C. Nuclear charge

A. ctor provides higher overall selectivity</strong>

B. For an ideal mixed reactor at steady state, the exit stream has the same composition as fluid

C. Reaction rate does not decrease appreciably as the reaction proceeds in case of an

D. ocatalytic reaction

E. hin the reactor and the space time is equivalent to holding time for constant density system

A. Cellulose derivatives, Polyamides, Polyurethane

B. Polypropylene, Poly vinyl chloride, Silicon

C. Butadiene copolymers, Polyamides, Urea-formaldehyde

A. Amount

B. Pressure

D. Temperature

A. Working temperature range

B. Tensile strength

C. Resistance to organic solvents

A. The capacity and the effectiveness of a screen are the same

B. The capacity and the effectiveness of screen are opposing factors

C. The screening surface of a reel (a revolving screen used in flour mills) is made of silk bolting

D. th supported by wire mesh

A. The difference between the existing temperature of a vapor and its saturation temperature (i.e.dew point) is called its degree of superheat

B. A vapor is termed as a saturated vapor, if its partial pressure equals its equilibrium vapor pressure

D. A vapor whose partial pressure is less than its equilibrium vapor pressure, is termed as a superheated vapor

B. 10000

C. 2537

D. 159

B. Maleic anhydride and Hexamethylenediamine

C. Sebacic acid and Hexamethylenediamine

D. Adipic acid and Hexamethylenediamine

A. Isobars

C. Isomers

D. Isotopes

A. A catalyst lowers the activation energy of the reacting molecules

C. A catalyst initiates a chemical reaction

D. A catalyst cannot be recovered chemically unchanged at the end of the chemical reaction

A. U-233

C. Thorium

D. Heavy water

A. ?-particle emission from a radioactive element makes it electrically positive

B. ?-particle emission from a radioactive element makes it electrically negative

C. The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration

B. U-234

C. U-235

D. U-238

A. Pine oil

B. Phosphorous

C. Rosin

A. een, is called Work index

C. Energy required in kwh per ton of product, such that 80% of it passes through a 200 mesh

D. Plastic chips are called non-cohesive solids

E. Communition is a generic term for size enlargement operation

A. 500-600

B. 30-Oct

C. -5

A. 0.5

C. 4

D. 2

A. 3.125

B. 25

C. 12.5

A. Mildly acidic (pH = 6) water

B. None of these

D. Mildly alkaline (pH = 8) water

A. Processing of uranium ore

B. Treatment of spent fuel

D. None of these

A. 2:01

B. 3:01

D. 1:02

A. Fermi

B. mm

C. Micron

B. Cadmium is capable of absorbing neutrons

C. Electrons have negligible mass and unit negative change

D. The disintegration rate of a radioactive substance cannot be increased by heating it

B. 1500-2000

C. 1000-1500

D. 2000-2500

B. The integral method of analysing kinetic data is used when the data is scattered

C. The ratio of volumes of plug flow reactor to that of mixed reactor is always less than one for identical feed composition, flow rate, conversion and for all positive reaction orders

D. The differential method of analysing kinetic data requires more accurate or larger amounts of data

A. Rate of decomposition of olefins in catalytic cracking is slightly slower than the thermal cracking

C. None of these

D. Iso-paraffin crack faster than n-paraffin.

A. Addition polymer

C. Elastomer

D. Thermoplastic

A. Stainless steel

B. Cadmium

D. Zircaloy (an alloy of zirconium and aluminium)

A. One

B. No

C. Two

A. Volume occupied by 9.034 x 1023 atoms of oxygen in ozone (O3) at NTP will be 11200 c.c

B. perature, then the fraction of total pressure exerted by the oxygen is 1/2

C. When equal weights of oxygen and methane are mixed in an empty reactor at room

E. Ten times dilution of a normal solution (N) reduces its normality to N/10

A. Neutrons

B. Electrons

C. Protons

A. Spongy rubber

C. Rigid foam

D. Thermosetting polymer

B. None of these

C. Higher tensile strength

D. Higher melting point

A. Polythene

B. Nylon-6

D. Polyester

A. None of these

C. Physical

D. Chemical

B. With increase in the reactor temperature, gasoline yield decreases for a given conversion

C. With increase in the reactor pressure, octane number of gasoline decreases

D. Percentage conversion increases with increase in the catalyst to oil ratio

A. 5000 to 1000

C. 109 to 1011

D. 1000 to 5000

A. Compression moulding

C. Injection moulding

D. Extrusion

B. The frequency response of a pure capacity process is unbounded

C. The phase lag of a pure time delay system decreases with increasing frequency

D. The amplitude ratio of a pure time delay system increases with frequency

A. Teflon

B. PTFE

D. Polycrylates

A. High density polyethylene (HDPE)

C. Unsaturated polyester

D. Polypropylene

B. An inorganic polymer

C. Phenol formaldehyde

D. A monomer