Chemical Engineering MCQs

Page No. 754

Which of the following is the costliest material of construction used in pressure vessel construction ?


aLow alloy steel

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bLead

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cTitanium

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dHigh alloy steel

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View Answer Titanium

The ‘total capital investment’ for a chemical process plant comprises of the fixed capital investment and the_________________?


aOverhead cost

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bWorking capital

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cIndirect production cost

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dDirect production cost

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View Answer Working capital

An investment of Rs. 1000 is carrying an interest of 10% compounded quarterly. The value of the investment at the end of five years will be ________________?


a1000 (1 + 0.1/4)20

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b1000 (1 + 0.1)20

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c1000 (1 + 0.1/4)5

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d1000 (1 + 0.1/2)5

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View Answer 1000 (1 + 0.1/4)20

Nominal and effective interest rates are equal, when the interest is compounded______________?


aQuarterly

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bSemi-annually

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cAnnually

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dIn no case, they are equal

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View Answer Annually

Pick out the wrong statement ?


aThe X-rays cannot be deflected by electric field unlike cathode rays

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bThe intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays

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cThe quality of X-rays can be controlled by varying the anode-cathode voltage

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dCrystal structure of a material can be studied by an electron microscope

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_________________ of depreciation calculation accounts for the interest on investment?


aStraight line method

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bDeclining balance

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cBoth A. and B.

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dNeither A. nor B.

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View Answer Neither A. nor B.

Pick out the wrong statement ?


aGeothermal energy is a non-conventional source of energy

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bMass is converted into energy in both nuclear fission & fusion reaction

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cInhalation of mercury vapour is not harmful for human beings

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dInhalation of arsenic causes cancer

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The payback method for the measurement of return on investment___________________?


aGives a correct picture of profitability

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bUnderemphasises liquidity

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cDoes not measure the discounted rate of return

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dTakes into account the cash inflows after the recovery of investments

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Manufacturing cost in a chemical company does not include the____________________?


aFixed charges

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bPlant overheads

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cDirect products cost

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dAdministrative expenses

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Pick out the wrong statement ?


aThe equivalent stiffness of two springs (of equal stiffness ‘S’) in series is S/2 while in parallel is 2S

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bFor a helical spring, deflection is proportional to D3 (D = mean coil diameter) or d4 (d = wire diameter)

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cCrushing load or columns is less than the buckling load

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dModulus of resilience is proportional to (stress at elastic limit)2

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