MCQs: In case of brasses, with decreasing zinc percentage and increasing copper percentage, its _____________ increases ?
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MCQs: Metallic surveying tapes are made of _____________ which has a low co-efficient of expansion & enough strength ?
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MCQs: Titanium is produced by ___________________ of Ti Cl4 ?
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MCQs: Atomic _______________ is a whole number for an element?
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MCQs: Out of the following, the lowest packing of atoms exists in ____________________ crystal lattice structure?
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MCQs: An abrupt and sudden fall in the reading of barometer is an indication of the____________________?
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MCQs: For the Stoke’s law to be valid in the case of a falling sphere in a fluid, the_____________________?
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MCQs: Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be_________________?
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MCQs: Which of the following is resistant to the action of both heat & chemicals ?
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MCQs: The kinematic viscosity (in stoke) and the absolute/dynamic viscosity (in poise) are the same for ______________ at room temperature ?
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MCQs: ______________ wire is never used for making the heating element ?
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MCQs: The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1) ?
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MCQs: The most suitable material for die casting is __________________?
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MCQs: In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be_______________?
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MCQs: Which of the following materials does not form adherent oxide film on surface ?
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MCQs: The emf of a Deniell cell “Zn | Zn2+ || Cu2+ | Cu” can be increased by_________________?
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MCQs: Lead is poured into the joint between two ______________ pipes?
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MCQs: In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the________________?
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MCQs: The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is_________________?
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MCQs: The critical pressure at which the latent heat of vaporization of steam becomes zero is _____________ Kg/cm2 ?
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