Chemical Engineering Basics Mcqs

Q.  The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the_______________?

a. Water alkalinity & leakage
b. Hydrazine addition during feed water treatment
c. Release of non-condensable gas from water in the boiler
d. Scale formation


ANSWER: See Answer
 
No explanation is available for this question!
MCQs:  In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be__________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in _______________ electrons ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Cupola produces _________________ iron?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Screws are specified by their _____________ diameters?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Electrometallurgy is not involved in the extraction of ___________________ from its ore?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Mho’s scale of hardness, which consists of 10 standard minerals is used for the measurement of _______________ hardness?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The bank of tubes located at the back of the domestic refrigerators are the _______________ tubes?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Pick out the wrong statement about nucleate boiling ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Which of the following can be manufactured using powder metallurgy techniques ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  ______________ is not used as the control rod material in a nuclear reactor ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  _________________ is not a heat treatment process ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  The effect of friction on the flow of steam through a nozzle is to decrease the _______________ of steam?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Plants produce carbohydrates from the CO2 present in the atmosphere by_________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Often earing defects are found during deep drawing operation, because the __________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the _____________ joint ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Thermit welding is categorised as the ______________________ welding ?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts
MCQs:  Hot & cold working of material causes its _______________ deformation?
Category: Chemical Engineering Mcqs,   Published by: T-Code Scripts