Chemical Engineering Quiz

All pipes of a particular nominal size have the same:-

Which step is  not involved  in optical  lithography ;-

What is  an  exciton in a  semiconductor :-

Nature of fluid flow during the opening of a valve  in a pipeline is:-

Corrosion resistance  of  steel  is  increased  by the  addition of ;-

Baffles in mixing tanks are provided to __________ swirling and vortex formation:-

When a cylindrical vessel containing liquid is resolved , the surface of the liquid takes the shape of:-

Speed of sound in an ideal gas depends on its:-

What is the ratio of displacement thickness to nominal thickness for a linear distribution velocity in the boundary layer on a flat plate:-

High noise levels produced  during  operation  of  fans  and  compressor  can be  reduced  by using :-

High  noise level  in a  chemical part  can be  controlled  by the :-

Velocity at a certain point  in case of streamline flow is:-

80% less  than  200 mesh  size particles  are  called ;-

How metal runner  in blast furnace  are lined with ___________ bricks ;-

Fatigue  strength of  a material  increases  by   under stressing  the  specimen :-

The rate of  material  ________ is  zero  in case of  a steady  state  system :-

Presence of  nickel in  steel  improves  its ;-

__________ has the minimum compressibility:-

Why are  nanoparticles  based  drugs  preferred  for  therapeutic  dosage  over traditional  drugs ;-

The head loss in turbulent flow in a pipe varies:-

Presence  of  certain  minimum  quantity  of  fluorine  is  desirable  in potable  water  to  prevent  :-

Fresh  sewage  is  ------------- in nature ;-

Gold  nanoparticles  are chemically  very active ;-

______________ flow mean the flow of incompressible fluid with no shear:-

A  standard  test  for  determination of hardness  in water  is  termed  as  ______________ test :-