Q. Catalyst used in the catalytic converter employed in automobiles to convert CO into CO and for complete oxidation of un-burnt hydrocarbons is

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Q. For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

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Q. The normal stress is the same in all directions at a point in a fluid, only when the fluid

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Q. A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

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Q. In chemical dehumidification of air

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Q. What is the pH of distilled water ?

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Q. Pick out the correct statement.

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Q. Non-ferrous alloys used for making cutting tools need not have high

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Q. Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

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Q. Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be

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Q. Glycerene is used as a coolant in cooling of some engines instead of water, because

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Q. Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

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Q. With increase in temperature, the electrical conductivity of a __________ decreases.

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Q. All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

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Q. Which of the following gases cause global warming ?

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Q. Multistage compression of air as compared to single stage compression offers the advantage of

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Q. Fine grained steels have

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Q. Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

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Q. What is the percentage of chromium in 18-4-1 high speed steel ?

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Q. Preheating before welding is done to

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