Chemical Engineering Quiz 1 Welcome to Shaheen Leader Academy We expect 100% result. Click on Start Button. Your time is Ended. Thanks Chemical Engineering Chemical Engineering Quiz 1 / 25 The ratio of inertial force to viscous force is called the ____________ number:- Weber Mach Reynold 2 / 25 The fluid property due to which mercury does not wet the glass is:- Surface tension viscosity Cohesion 3 / 25 Which law is followed by the velocity distribution in the turbulent boundary layer:- Linear law Parabolic law Logarithmic law 4 / 25 Manometer measure the ____________ pressure:- gage difference in absolute 5 / 25 What cause convective acceleration fluid flow:- Steep slope in flow Unsteady nature of flow Non uniformity of flow 6 / 25 High noise level in a chemical part can be controlled by the :- All of them Path control of noise Protection of operating personnel 7 / 25 What does the Fermi energy level lie in an ideal planar graphene structure :- Junction point of valence At defects Within interatomic bonds 8 / 25 An ideal fluid is:- Frictionless Both a, b compressible Incompressible 9 / 25 Interchain forces are the weakest in case of ;- Elastomers Both b c Palstic Fibers 10 / 25 Specific speed of a centrifugal pump depends upon the _________ head:- suction none of them manometric delivery 11 / 25 18/8 stainless steel is a magnetic steel ;- False True 12 / 25 Velocity head on sudden enlargement in a horizontal pipe is converted into _________ head;- elevation both a, b pressure 13 / 25 Maximum permissible concentration of DDT in public water supply system is ________ micro gram /litre :- 42 22 332 14 / 25 _____________ is the standard symbol of Atwood number:- A a Ar AR 15 / 25 Newton's la of viscosity relates the Shear stress and ______________:- Pressure gradient rate of angular deformation in fluid Velocity gradient 16 / 25 Fine grit present in sewage is removed in the ________________ during sewage treatment ;- Grit chamber Detritus tank Trickling filter 17 / 25 When is a fluid called turbulent:- High viscosity of fluid Reynoid number is greater than 2000 Reynoid number is less than 2000 18 / 25 What is the dilution rate ;- D = F/V D = V/F None of them 19 / 25 When the pipe Reynold number is 6000, the flow is generally:- Turbulent Viscous Laminar 20 / 25 Who developed a method for the optimization of the fed batch system ;- Shioya Swartz Queener 21 / 25 Pressure drop in a packed bed for turbulent flow is given by the _____________ equation:- Kozney Karman Blake plummer Leva's 22 / 25 Ceramic recuperators are made of ;- Calcium carbide Silicon carbide Fireclay bricks 23 / 25 The pressure at a point in a fluid is not the same in all directions, when the fluid viscous and:- Moving cold static hot 24 / 25 Which is not the type of continuous brewing ;- Cascade system Multistage system Extract system 25 / 25 Diaphragm valves are used for handling ______________ fluids;- Solid Suspended Corrosive Viscous Your score is Restart quiz Subscribe our Channel Here