17 July, 2020 VideRime 3 Comments 1 category 12345678910111213141516171819202122232425262728293031323334353637383940Show paginatorHide paginator 25%Page 1 of 4 Loading...1. The pressure at the summit of a syphon isnone of thesemore than atmosphericequal to atmosphericless than atmospheric Loading...2. In a Sutro weir, the discharge is proportional to where H is Head.H3/2H1/2H5/2H Loading...3. The losses are more inlaminar flowtransition flowcritical flowturbulent flow Loading...4. Hydraulic jump is a i) steady flow ii) uniform flow iii) unsteady flow iv) non-uniform flow The correct answer is(i) and (ii)(i) and (iv)(ii) and (iii)(iii) and (iv) Loading...5. In steady flow of a fluid, the total acceleration of any fluid particleis never zerois independent of coordinatescan be zerois always zero Loading...6. A liquid undergoing a rigid body rotation in a container is said to havetranslationfree vortex motioncirculationForced vortex motion Loading...7. Which one of the following is correct dimension of surface tensionJ/mN/m2J/m2W/m Loading...8. What is the unit of dynamic viscosity of a fluid termed 'poise' equivalent to?dyne-s/cm^2gs/cmg-cm/sdyne/cm^2 Loading...9. If the surface tension of water air interface is 0.073 N/m, the gauge pressure inside a rain drop of 1 mm diameter will be146 N/m^273 N/m^2292 N/m^20.146 N/m^2 Loading...10. Which of the following is used to measure the discharge?current meterhotwire anemometerventurimeterpitot tubePage 2 of 4 Loading...11. An oil of specific gravity 0.9 has viscosity of 0.28 stoke at 38 degree C. What will be its viscosity in N-s/m^2 ?0.25200.02060.02520.0311 Loading...12. The hydraulic jump always occurs frombelow critical depth to above normal depthabove critical depth to below critical depthabove normal depth to below normal depthbelow critical depth to above critical depth Loading...13. Equation of continuity is based on the principle of conservation ofnone of thesemassenergymomentum Loading...14. Dynamic viscosity has the dimension asML-2ML-1T-1L2T-1ML-2T-2 Loading...15. The speed of a pressure wave through a pipe depends uponthe original headthe bulk modulus for the fluidthe length of pipethe viscosity of fluid Loading...16. The pitot tube is used to measurestatic pressuredynamic pressurevelocity at stagnation pointstagnation pressure Loading...17. Coefficient of velocity of venturimeterdecreases with higher Reynolds numberis independent of Reynolds numberis equal to the coefficient of discharge of venturimeternone of these Loading...18. The fluid which obey's the Newton's law of viscosity is calledBingham plasticPerfect fluidReal fluidNewtonian fluid Loading...19. In a forced vortex motion, the velocity of flow isinversely proportional to its radial distance from axis of rotationinversely proportional to the square of its radial distance from the axis of rotationdirectly proportional to the square of its radial distance from the axis of rotationdirectly proportional to its radial distance from axis of rotation Loading...20. A real fluid is any fluid whichhas constant viscosity and densityhas viscosityhas surface tension and is compressiblehas zero shear stressPage 3 of 4 Loading...21. Capillary action is due to thecohesion of liquid particlesadhesion of liquid particles on the surfaceviscosity of liquidsurface tension Loading...22. Surface tension is due toviscous forcethe difference between cohesion and adhesionadhesioncohesion Loading...23. The hydraulic grade line isall of thesealways sloping downward in the direction of flowalways above the centre line of pipenever above the energy grade line Loading...24. Hot wire anemometer is used to measurevelocity of gaspressure intensity of liquiddischargepressure intensity of gas Loading...25. Fluid is a substance which offers no resistance to change ofpressurevolumeflowshape Loading...26. Which one of the following is correct? the capillary rise on depression in a small diameter tube isdirectly proportional to the surface areainversely proportional to the diameterdirectly proportional to the specific weight of the fluidinversely proportional to the surface tension Loading...27. The difference of pressure between the inside and outside the soap bubble is8σ/d4σ/d2σ/d6σ/d Loading...28. What is the dimensions of kinematic viscosity of a fluidL2T -2L2T -1ML2T -1L1T -1 Loading...29. An ideal fluidsatisfies the relation PV=RTobey's the Newton's law of viscosityis non-viscousis both incompressible and non-viscous Loading...30. The major loss of energy in long pipes is due tofrictionsudden contractiongradual contraction or enlargementsudden enlargementPage 4 of 4 Loading...31. The eddy viscosity for turbulent flow isa function of temperature onlydependent on the flowindependent of the flowa physical property of the fluid Loading...32. Which is the best hydraulic section of the following open channel cross-sections?semi-circlerectangletriangletrapezoidal Loading...33. The pressure rise due to water hammer depends uponVelocity of flow of water in pipeTime taken to close the valveLength of pipeAll of these Loading...34. The surface tension of mercury at normal temperature is ____________ that of water.lower thansame asnone of thesehigher than Loading...35. Fluid statics deals withGravity and pressure forceSurface tension and gravity forceViscous and gravity forceViscous and pressure force Loading...36. The property, which characterizes the resistance which a fluid offers to applied shear force is called asfluidityviscosityrelative densityelasticity Loading...37. The best hydraulic channel cross-section is the one which has amaximum area for a given flowminimum wetted perimeterminimum roughness coefficientleast cost Loading...38. What are the forces that influence the problem of fluid statics?viscous and surface tension forcesgravity and surface tension forcesgravity and viscous forcesgravity and pressure forces Loading...39. Pseodo plastic is a fluid for whichdynamic viscosity increases as the rate of shear increasesdynamic viscosity decreases as the rate of shear increasesdynamic viscosity increases with the time for which shearing forces are appliedNewton's law of viscosity holds good Loading...40. A perfect fluid isa real fluidthe one which obeys perfect gas lawsincompressible and frictionlesscompressive and gaseous Loading... Share this Now with Friends: Share on WhatsApp (Opens in new window) WhatsApp Share on Telegram (Opens in new window) Telegram MoreRelated Category: Hydraulics 3 Replies to “Fluid Mechanics MCQs Set-1”Thank you for your sharing. I am worried that I lack creative ideas. It is your article that makes me full of hope. Thank you. But, I have a question, can you help me? https://www.binance.info/register?ref=IXBIAFVYReplyYour point of view caught my eye and was very interesting. Thanks. I have a question for you.ReplyYour article helped me a lot, is there any more related content? Thanks!ReplyLeave a ReplyCancel reply Post navigationPrevious: Surveying MCQs Set-1Next: Strength of Materials MCQs Set-1Related Posts Fluid Mechanics MCQs Set-2[watupro 70] Read More
Thank you for your sharing. I am worried that I lack creative ideas. It is your article that makes me full of hope. Thank you. But, I have a question, can you help me? https://www.binance.info/register?ref=IXBIAFVYReply
Thank you for your sharing. I am worried that I lack creative ideas. It is your article that makes me full of hope. Thank you. But, I have a question, can you help me? https://www.binance.info/register?ref=IXBIAFVY
Your point of view caught my eye and was very interesting. Thanks. I have a question for you.
Your article helped me a lot, is there any more related content? Thanks!