Chemical Engineering Basics Mcqs


Q.  A common disinfectant used in village wells for disinfection of water is __________________?

a. Free chlorine
b. Bromine
c. Iodine
d. Potassium permanganate


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Powder metallurgy process does not make metal powder by_________________________?
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MCQs:  With increase in steam pressure, its specific volume decreases ____________________?
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MCQs:  Wrought iron is not____________________?
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MCQs:  Cast iron contains ____________________ percent carbon?
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MCQs:  Transition from laminar to turbulent zone in free convection heat transfer is governed by the critical value of ?
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MCQs:  Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans ?
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MCQs:  Ammonia leakage in the refrigeration system is detected by_________________?
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MCQs:  Blast furnace slag is mainly molten_________________?
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MCQs:  The best lubricants for a machine working at high temperature & load is_________________?
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MCQs:  A high pressure boiler generates steam at a pressure greater than _____________________ kg/cm2 ?
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MCQs:  Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxy-acetylene welding is ______________ Nm3 ?
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MCQs:  Titanium is added to molten aluminium alloys before casting for the purpose of_____________________?
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MCQs:  Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as_________________?
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MCQs:  Angular displacement can be measured suitably by a______________________?
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MCQs:  Maximum hardenability of steel depends upon its_______________________?
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MCQs:  Electrical conductivities of semi-conductors are of the order of ______________ ohm/cm ?
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MCQs:  The difference in one unit of Rockwell hardness number corresponds to a difference in the depth of indentation of ______________ mm ?
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MCQs:  Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called_______________________?
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MCQs:  Evaporative cooling process employs a combination of cooling and humidification in which the____________________?
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MCQs:  Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?
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