29501. 'Sterilised zone' around a hazardous chemical industry is an area with __________ km radius around it, in which the total population/inhabitants should be less than 20000 preferably in the upwind direction.
29502. Pick out the wrong statement. Termination of polymerisation reaction occurs, if the
29503. A thin, flat & square plate measuring 2 m x 2 m is freely hanging in ambient air at 25°C. It is exposed to the solar radiation falling on one side of the plate at the rate of 500 W/m2 . The plate temperature will remain constant at 30°C, if the convective heat transfer co-efficient is __________ W/m2 °C.
29504. The maximum value, which the residual stress in a material can reach is the __________ of the material.
29505. Which of the following is capable of acting both as an acid flux as well as a basic flux in the metal extraction from its ore ?
29506. Which is the most suitable joint for the pipes, with are laid submerged under water, where the bottom of the river bed is uneven ?
29507. Floating control action
29508. Boiler rating is normally done in terms of
29509. The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)
29510. Number of electrons in the outermost orbit of a semi-conductor is
29511. The condition of diffraction from a crystal is given by
29512. Galena is an ore of
29513. A reduction process is accompanied with increase in the
29514. Draught produced by a tall chimney due to density difference between hot flue gas inside the Chimney and atmospheric air outside the chimney is more appropriately known as the __________ draught.
29515. First empirical temperature scale conceived is the __________ temperature scale.
29516. In continuous casting of liquid steel, the mould is made of
29517. Diamond does not conduct electricity, because
29518. __________ can not be forged.
29519. Material having maximum density is
29520. Which of the following is not found in iron-carbon equilibrium diagram ?
29521. Which of the following metals can not be extracted by pyrometallurgical process from its sulphide ore?
29522. Nitrogen compounds are not used in the manufacture of
29523. Stellite is a trade name for the
29524. Needles are produced by
29525. Aromatics are desired constituents of
29526. Galvanic corrosion
29527. Increasing the temperature of a material makes it
29528. Which of the following absorbs maximum heat in a high pressure boiler ?
29529. The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)
29530. __________ cycle is the most efficient thermodynamic cycle.
29531. Dew point of air indicates its
29532. Out of the following, __________ waves have the largest wavelength.
29533. Pick the odd man out of the following.
29534. A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.
29535. Hot working of lead is carried out at
29536. An engineer's hammer is made of high __________ steel.
29537. Impeller & casing of centrifugal pump handling corrosive liquid and frequently running under cavitation condition is most prone to __________ corrosion.
29538. Isotropic materials have the same __________ in all the directions.
29539. The gases used in the treatment of asthma is a mixture of __________ and oxygen.
29540. Grinding wheel made of silicon carbide is most suitable for grinding materials of low tensile strength (e.g; tough bronze). Grinding is a __________ operation.
29541. Which of the following is the most effective inhibitor of grain growth, when added in small quantity in steel ?
29542. A controller action in which there is a con-tinous relation between the values of controlled variable and the rate of change of conrolled output signal is called the __________ action.
29543. An ideal fluid is
29544. For Credit Societies,audit fees is based on
29545. High __________ of cast iron makes it suitable for use in machine beds.
29546. Which of the following alloying elements reduces the formation of iron sulphide in steel ?
29547. In age-hardenable alloys, maximum ductility is obtained
29548. Prandtl mixing length in turbulent flow signifies the
29549. Magnesium addition to cast iron increases its
29550. The dimensions of Planck's constant is the same as that of the
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