chemical engineering MCQs – Page 44

Practise multiple-choice questions from chemical engineering for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

chemical engineering Mcqs
861. Ganister contains maximum percentage of_________________?
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A. MnO2

B. MgO

C. SiO2

D. FeO

862. ______________ is not used as the control rod material in a nuclear reactor ?
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A. Cobalt

B. Hafnium

C. Boron

D. Cadmium

863. In a chemical process plant, the total product cost comprises of manufacturing cost and the__________________?
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A. General expenses

B. Overhead cost

C. None of these

D. R & D cost

864. Production of a hollow product by inflation of a tube or parison is called the _______________ process?
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A. Blow moulding

B. Injection

C. Extrusion

D. Calendaring

865. In a manufacturing industry, breakeven point occurs, when the___________________?
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A. Total annual rate of production equals the assigned value

B. Annual sales equals the fixed cost

C. Total annual product cost equals the total annual sales

D. Annual profit equals the expected value

866. The most abundant metal present in the earths crust is__________________?
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A. Titanium

B. Copper

C. Aluminium

D. Iron

867. Yellow phosphorus is transported under____________________?
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A. Air

B. Helium

C. Water

D. Nitrogen

868. Specific _________________ is a dimensionless quantity ?
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A. Humidity

B. Weight

C. None of these

D. Heat

869. Silicon percentage in acid resistant cast iron is about ___________________?
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A. 8

B. 4

C. 20

D. 14

870. Cold heading or upsetting is categorised as the ________________ process ?
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A. Forging

B. Extrusion

C. Rolling

D. Bending

871. In an ordinary chemical plant, electrical installation cost may be about ____________________?
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A. Neither A. nor B.

B. 3-10% of fixed capital investment

C. 10-15% of purchased equipment cost

D. Either A. or B.
872. A shareholder has ______________ say in the affairs of company management compared to a debenture holder ?
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A. More

B. Same

C. No

D. Less

873. A balance sheet for an industrial concern shows ___________________?
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A. The financial condition at any given time

B. Only current assets

C. Only current and fixed assets

D. Only fixed assets

874. In ________________ process, there is an increase in entropy with no degradation of energy ?
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A. Isochoric heat addition

B. Isothermal expansion

C. Polytropic expansion

D. Isobaric heat addition

875. Melting point & boiling points of liquid oxygen are respectively 218.8C & 183C, while the same for liquid nitrogen is 210C & 195.8C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8 ?
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A. F

B. K

C. C

D. R

876. The total capital investment for a chemical process plant comprises of the fixed capital investment and the_________________?
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A. Working capital

B. Direct production cost

C. Indirect production cost

D. Overhead cost

877. An annuity is a series of equal payments occuring at equal time intervals, and this amount includes the sum of all payments plus interest, if allowed to accumulate at a definite rate of interest from the time of initial payment to the end of annuity term. Ordinary annuity is used in the calculation of the__________________?
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A. Manufacturing cost

B. Discrete compound interest

C. Depreciation by sinking fund method

D. Cash ratio

878. Extraction of _________________ employs an electrolytic process ?
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A. Aluminium

B. Silver

C. Copper

D. All A, B. and C

879. Surface tension of a liquid_________________?
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A. Decreases with rise in temperature

B. Is due to intermolecular forces of cohesion

C. Is responsible for the spherical shape of an isolated liquid drop

D. All A, B. & C
880. In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will _______________?
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A. Increase gradually

B. Decrease gradually

C. Remain constant

D. Increase rapidly