Related Questions
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Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.
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L.D. (Linz-Donawitz) converter is used in the production of
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4
An alloy of Fe - 0.4 % C is
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For a spontaneous natural process at constant temperature and pressure, the free energy of the system always
D. Increases to a maximum before decreasing
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4
In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?
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Good design of the casing of a centrifugal pump aims at minimising the
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The refractory lining of the bottom in a basic electric arc furnace is made of
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LVDT used for displacement measurement is a/an __________ transducer.
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Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.
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In the acid Bessemer process, the hot metal should have the following composition.
A. S < 0.05% and P < 0.05%
B. S < 0.05% and P < 1.5%
C. S < 0.05% and P > 1.5%
D. S > 1.5% and P < 0.05%
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Production of a hollow product by inflation of a tube or parison is called the __________ process.
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Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.
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Work done by a/an __________ process is determined by ∫p. dv
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In electrical resistance welding, distortion results from the use of improper
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The condition of diffraction from a crystal is given by
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Materials having resistivity ranging from 1 to 100 ohm. cm is termed as
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Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA)?
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There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
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Which of the following heat treatment processes is usually applied to castings?
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A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.
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4
Larger length & diameter water pipes are made by
A. Electrical resistance welding
C. Semi-centrifugal casting
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4
What happens, when SO2 is passed through a solution of H2S in water?
A. Precipitation of sulphur takes place
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Steel is welded using the __________ flame.
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Enzymes belong to the category of
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Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.
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The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for __________ at room temperature.
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Auto collimator is used to check
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Magnesium is present in
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The ratio of thermal & electrical conductivity is same for all the metals at the same temperature; and at around room temperature, this ratio is proportional to(where, T = absolute temperature, °K)
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Iron content in Indian iron ore is about __________ percent.