Chemical Engineering Basics MCQs with answers Page - 4

Here, you will find a collection of MCQ questions on Chemical Engineering Basics. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Admin • 833K Points
Coach

Q. ________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

  • (A) Mach
  • (B) Reynolds
  • (C) Froude
  • (D) Weber

A

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Coach

Q. ______ of air does not increase with increase in temperature.

  • (A) Density
  • (B) Thermal diffusivity
  • (C) Viscosity
  • (D) Thermal conductivity

A

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Coach

Q. ________ of austenite decreases the hardenability in steel.

  • (A) Fine grains
  • (B) Coarse grains
  • (C) Homogeneity
  • (D) Dissolved elements (except cobalt)

A

Admin • 833K Points
Coach

Q. _________ of grey cast iron produces white cast iron.

  • (A) Tempering
  • (B) Rapid heating
  • (C) Rapid cooling
  • (D) Slow cooling

A

Admin • 833K Points
Coach

Q. _______ of hard alloy and tool steel is done to make it easily machinable.

  • (A) Case carburising
  • (B) Tempering
  • (C) Normalising
  • (D) Annealing

A

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Coach

Q. __________ of test specimens is not involved in any hardness testing method.

  • (A) Fracture
  • (B) Indentation
  • (C) Wear
  • (D) Scratch

A

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Coach

Q. ________ pipe is the most suitable for carrying sanitary drainage.

  • (A) Stainless steel
  • (B) Reinforced cement concrete
  • (C) Cast iron
  • (D) Asbestos cement

A

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Q. ________ property of a material is determined by the Herbert Pendulum device.

  • (A) Hardness
  • (B) Tensile
  • (C) Toughness
  • (D) Compressive

A

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Q. ______ property of steel increases by addition of large amount of silicon in it.

  • (A) Mechanical
  • (B) Machining
  • (C) Magnetic
  • (D) Refractory

A

Admin • 833K Points
Coach

Q. ________ remains constant during the adiabatic cooling of moist air.

  • (A) Wet bulb temperature
  • (B) Dry bulb temperature
  • (C) Relative humidity
  • (D) Specific humidity

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