Chemical Engineering Basics Mcqs

Q.  Half life of a radioactive isotope corresponds to the time required for half of the _______________ to decay ?

a. Atoms
b. Neutrons
c. Nucleons
d. Electrons


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  The delivery pressure of boiler feed water pump compared to the boiler steam pressure is___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  As per international norms, the maximum permissible value of noise level in the industrial environment is _____________ decibels as measured at a distance of 1.5 meters from the source of noise?
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MCQs:  Normalising of an object does not________________________?
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MCQs:  If Reynolds number is greater than 1, then the_____________________?
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MCQs:  Fine grained steels have____________________?
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MCQs:  Consideration of the creep is the most important in case of the_____________________?
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MCQs:  Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?
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MCQs:  When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively____________________?
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MCQs:  A 2 kg object weighs 1.8 kgf on a spring balance. The value of ‘g’ at that location in m/sec2 is___________________?
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MCQs:  The product of a commercial direct reduction process is___________________?
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MCQs:  Preheating before welding is done to____________________?
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MCQs:  Most important property of steels for use in automobile bodies is the___________________?
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MCQs:  Which of the following are considered applications of ultrasonic testing ?
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MCQs:  Temperature attained in soldering of metals is about ________________ °C?
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MCQs:  Strain hardening effect in a metal subjected to cold working is due to the ______________ mechanism?
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MCQs:  Which of the following metals is not subjected to electrolytic refining/purification ?
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MCQs:  Large scale fire on fuel gas line is normally extinguished by________________?
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MCQs:  Starting friction is low in case of the ____________________ lubrication?
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MCQs:  Density in the solid state is slightly less than that in its liquid state, in case of____________________?
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MCQs:  Most of the phosphorous present in the blast furnace burden enters into___________________?
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