5.3

Which type of flow involves no mixing between layers of fluid?

• Laminar flow

• Turbulent flow

• Oscillating flow

• Mixed flow

• Radial flow

What is a distillation column primarily used for?

• Separating components based on boiling points

• Heating liquids

• Cooling gases

• Reacting chemicals

• Storing liquids

What property determines the effectiveness of a packed column in distillation?

• Surface area of packing material

• Column diameter

• Flow velocity

• Heat capacity of the liquid

• Pressure of the system

Which of the following is NOT a type of heat transfer?

• Diffusion

• Conduction

• Convection

• Radiation

• Heat diffusion

In fluid mechanics, what does the Reynolds number describe?

• Type of flow

• Heat transfer rate

• Pressure drop

• Pump efficiency

• Fluid density

What is the purpose of a scrubber in gas purification?

• Remove impurities from gas streams

• Increase gas temperature

• Compress gas for transport

• React gas with catalysts

• Measure gas velocity

What is the role of a catalyst in a chemical reactor?

• Lower activation energy and increase reaction rate

• Increase the volume of reactants

• Raise the system pressure

• Separate products from reactants

• Act as a reactant itself

What type of reactor is best suited for highly exothermic reactions?

• Tubular reactor with cooling

• Batch reactor

• Plug flow reactor without cooling

• Open tank reactor

• Closed stirred tank reactor

What determines the efficiency of a centrifugal compressor?

• Compression ratio and temperature rise

• Size of the impeller only

• Gas density only

• Flow rate only

• Speed of the compressor shaft only

What is the primary function of a cyclone separator?

• Remove particles from gases

• Increase gas temperature

• Separate liquids by density

• React chemicals in the gas phase

• Cool gas streams