Chemical Engineering Basics Mcqs


Q.  Case hardening is not done by________________?

a. Nitriding
b. Hot dipping
c. Electroplating
d. Both ‘B’ & ‘C’


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?
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MCQs:  The leaching solvent used in Baeyer’s process for the purification of bauxite is___________________?
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MCQs:  With increase in annealing temperature, the following defect density decreases?
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MCQs:  A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?
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MCQs:  Addition of _______________ to steel does not help in improving its machinability ?
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MCQs:  Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than ?
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MCQs:  Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are____________________?
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MCQs:  _______________ test can be termed as the semi-destructive test?
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MCQs:  Dowtherm is a____________________?
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MCQs:  Boiler tube size is specified by its thickness and _____________________ diameter ?
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MCQs:  The rolling process cannot be used to produce______________________?
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MCQs:  In “Imperial Smelting Process” for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following _______________________?
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MCQs:  The most suitable material of construction for a sewer to carry sewage under high pressure is________________________?
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MCQs:  Which of the following is not a dielectric material ?
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MCQs:  Particle nature of cathode rays is proved due to the fact that they ________________?
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MCQs:  Which of the following is prone to cup and cone fracture ?
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MCQs:  Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank) ?
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MCQs:  Austempering process results in the formation of ________________ structure ?
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MCQs:  Good design of the casing of a centrifugal pump aims at minimising the __________________________?
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MCQs:  The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron ?
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