Chemical Engineering MCQs

Page No. 777

Methyl orange indicator turns_____________________?


aOrange yellow in alkaline medium


bOrange yellow in acidic medium


cColourless in acidic medium


dColourless in basic medium



Sand used to stop the green sand from sticking to the pattern is termed as the ______________ sand?


aParting


bSynthetic


cLoam


dDry


View Answer Parting

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be___________________?


a100% indirect reduction


b100% direct reduction


c50-60% indirect reduction


d30-40% indirect reduction



Tip of the match stick contains a mixture of________________?


aK + S


bK + S + K2Cr2O7


cS + K2Cr2O7 + White P


dNone of these


View Answer S + K2Cr2O7 + White P

Internal energy of a gas obeying Van-Der-Waals equation of state, [p + (a/v2)] (V – b) = RT, depends upon its___________________?


aPressure & temperature


bPressure & specific volume


cTemperature & specific volume


dTemperature only



The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6) ?


a4.4


b5.6


c8.4


d2.4


View Answer 4.4

The swift cup test evaluates the following property of a sheet metal ?


aStretchability


bDrawability


cBendability


dNone of these


View Answer Drawability

LVDT used for displacement measurement is a/an _______________ Transducer?


aPassive


bActive


cCapacitive


dNone of these


View Answer Passive

Cold chisel‟s hammers are made of___________________?


aHigh speed steel


bHigh carbon steel


cForged steel


dMild steel


View Answer High carbon steel

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting) ?


aV/A


bV/A2


cV2/A


dV2/A2


View Answer V2/A2

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