MCQs: Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process ?
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MCQs: Lead pencil contains____________________?
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MCQs: Drossing is a _______________________ operation?
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MCQs: The following thermocouple may be used for measuring temperature upto 1873°K__________________?
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MCQs: Projection welding & stud welding is categorised as the _______________ welding?
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MCQs: Isotropic materials have the same _______________________ in all directions?
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MCQs: Main constituent of bone ash is____________________?
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MCQs: Which of the following mainly decides the current to be employed is arc welding ?
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MCQs: Half life of a radioactive isotope corresponds to the time required for half of the _______________ to decay ?
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MCQs: Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as______________________?
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MCQs: What is the pH of distilled water ?
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MCQs: Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be ______________ mm?
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MCQs: Hot extrusion of aluminium is done in the temperature range of ________________ °C ?
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MCQs: The normal stress is the same in all directions at a point in a fluid, only when the fluid__________________?
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MCQs: Which one is neutral in character ?
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MCQs: Out of the following _______________ iron has the best capability to bear sudden & excessive shocks?
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MCQs: The mechanism involved in the removal of metal in drilling operation is by_________________?
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MCQs: _______________ is a non volatile film forming constituent of a paint ?
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MCQs: Desalination of water__________________?
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MCQs: _____________________ of austenite decreases the hardenability in steel ?
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