Hamad Chemical Engineering Basics 17/07/2021 A. Chromel-alumel B. Copper-constantan C. Platinum-platinum rhodium D. Iron-constantan Related Mcqs: _______________ test can be termed as the semi-destructive test?A. Impact B. Torsion C. Hardness D. Charpy... Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is_____________________?A. 5CaO. 3 Al2O3 B. 3CaO. Al2O3 C. 3CaO. SiO2 D. 2CaO. SiO2... Thermal efficiency of an internal combustion engine is around ______________ percent?A. 8 B. 35 C. 65 D. 80... Dephosphorization of molten pig iron is favoured by_______________________?A. Oxidising and basic slag B. Reducing and basic slag C. High activity co-efficient of phosphorous in metal D. Oxidising and neutral slag... Ammonia leakage in the refrigeration system is detected by_________________?A. Sulphur stick, which on detection gives white smoke B. Using chemical reagents C. Its smell D. Soap solution...
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