Multiple Choice Quiz Chemical Engineering - Set 08

Quiz Questions - Set 08

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01. Boiler rating is normally done in terms of

     (A) Steam temperature & pressure

     (B) Steam output (tons/hr)

     (C) Heat transfer rate (kcal/hr)

     (D) Heat transfer area (meter square)

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02. Which of the following polymers is obtained by copolymerisation of three monomers?

     (A) SAN

     (B) ABS

     (C) SBR

     (D) PTFE

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03. The most commonly used material for sewers for carrying sewage in the normal situation is

     (A) Asbestos cement

     (B) Stainless steel

     (C) Stoneware

     (D) Cast iron

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04. Stellite is a trade name for the

     (A) Cermets

     (B) Ferrous cast alloys

     (C) Non-ferrous cast alloys

     (D) Products made by powder metallurgy techniques

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05. Boiling temperature of carbon dioxide at atmospheric pressure is __________ °C.

     (A) -30.5

     (B) -78.5

     (C) -183.5

     (D) -10.5

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06. Lead percentage in pure galena is about

     (A) 8.6

     (B) 86.6

     (C) 35.8

     (D) 61.4

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07. Impeller & casing of centrifugal pump handling corrosive liquid and frequently running under cavitation condition is most prone to __________ corrosion.

     (A) Uniform

     (B) Oxygen diffusion

     (C) Pitting

     (D) Inter-granular

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08. Pick out the wrong statement about powder metallurgy technique.

     (A) Powder metallurgy techniques are applied at room temperature

     (B) Final product in powder metallurgy is not necessarily metallic powder

     (C) The final product in powder metallurgy is made from metallic powder

     (D) Silver and nickel when melted together do not mix to form an alloy ; however alloy of these constituents can be made by powder metallurgy technique

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09. Nitriding of steel is a process for

     (A) Case hardening

     (B) Spheroidising

     (C) Normalising

     (D) Annealing

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10. The dimensions of Planck's constant is the same as that of the

     (A) Kinetic energy

     (B) Momentum

     (C) Electrostatic potential

     (D) None of these

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11. The path and movements followed by men, materials & equipments in executing the activities is indicated by the

     (A) Travel charts

     (B) Man-machine charts

     (C) String diagram

     (D) Flow diagram

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12. The capacity of a material to absorb energy depends upon both its strength & stiffness. The term 'stiffness' of a material is the opposite of its

     (A) Flexibility

     (B) Plasticity

     (C) Hardness

     (D) Hardenability

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13. Pick out the wrong statement.

     (A) Dry bulb temperature, wet bulb temperature & dew point are the same in case of saturated air

     (B) Dew point is reached by cooling the humid air at constant moisture content

     (C) Heating of humid air is done for its dehumidification

     (D) None of these

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14. Which of the following metals cannot be extracted by Pyrometallurgical process from its sulphide ore?

     (A) Copper

     (B) Mercury

     (C) Lead

     (D) None of these

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15. The increase in hardness of metal due to its cold working is termed as the __________ hardening.

     (A) Work

     (B) Age

     (C) Induction

     (D) Flame

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Set 01

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Set 06

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Set 09

Set 10

Set 11

Set 12

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