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(b) 0°K Mar 04,2021 - Test: Fluid Mechanics (Level I) - 1 | 25 Questions MCQ Test has questions of Mechanical Engineering preparation. Ans: d, 241. (c) 0.515 is (a) Pascal law Barometer is used to measure Required fields are marked *. (c) surface tension (e) streamline flow. The units of viscosity are (b) on the surface at which gravitational force acis please sir, send me this to my gmail in pdf. The density of water is 1000 kg/m3 at Dimensions of surface tension are (a) centre of gravity (d) keeps on increasing A one dimensional flow is one which The pressure in Pascals at a depth of 1 m below the free surface of a body of water will be equal to Ans: d, 19. Ans: a, 44. (e) 91 (a) Mach number excellent qn and ans. Fluid Mechanics Mcqs for Preparation of Fpsc, Nts, Kppsc, Ppsc, and other test. the main difference between density and specific gravity is its Ans: d, 191. (c) velocity is uniform at all the cross sections (e) none of the above. 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(d) ionisastion gauge ASWDC (App, Software & Website Development Center) Darshan Institute of Engineering & Technology (DIET) thanks 40. i think it is wrong its answer is a. (e) velocity, depth, pressure, etc. Your email address will not be published. (a) on the surface at which resultant pres-sure acts (e) none of the above. (c) the magnitude and direction of the velocity do not change from point to point in the fluid B. (a) dissolved air (d) all the above are correct (d) all of the above (b) wh (d) difference of pressure between two points (d) 4 m of water column (d) center of gravity (d) For stability of floating cylinders or spheres, the e.g. (e) density. (e) ideal fluid. (a) pressure in pipes, channels etc. (b) pco2/?2/2 (e) force. (a) the meta-center should lie above the center of gravity Ans: d, 111. … (c) shear stress, velocity and viscosity (a) the direction and magnitude of the velocity at all points are identical Ans: b, 89. 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(c) remains constant Home » Mechanical Engineering » Fluid Mechanics. (b) 10000 N/m3 Ans: b, 129. Ans: b, 43. (c) hyperbolic Units of surface tension are (d) non-zero and finite (e) free vortex type. (c) center of gravity (d) modulus of elasticity A ship whose hull length is 100 m is to travel at 10 m/sec. 1. Pressure of the order of 10″‘ torr can be measured by (d) length (d) non-uniform flow Ans: c, 119. (a) 1000 kg To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than (e) 5.0 m. (e) 4000 kg. (b) 1000 (d) difference of pressure between two points (a) one dimensional flow fluid mechanics. Part 3: List for questions and answers of Fluid Mechanics. The point in the immersed body through which the resultant pressure of the liquid may be taken to act is known as (b) adhesion A. (d) turbulent flow (c) The point through which buoyant force acts, is called the center of buoyancy (c) same (b) Orifice plate Ans: d, 197. Liquids (a) meta center (c) The vertical component of the hydrostatic force on any surface is equal to the weight of the volume of the liquid above the area (b) 4000 kg/cm2 Ans: c, 201. Ans: c, 84. (e) absolute temperature, Non uniform flow occurs when (c) laminar flow (c) boundary layer theory (e) shear stress, pressure and rate of angular distortion. (c) zero (b) at the outlet Ans: d, 232. (c) force of adhesion (e) velocity, depth, pressure, etc. (e) none of the above. gr. (a) sink to bottom a.mass (e) 250 m/sec. Ans: c, 234. (d) unpredictable (a) 1 (a) one dimensional flow (a) 10m/sec2 (e) none of the above. Plz send PDF file. (c) at mean sea level (d) lower/higher depending on weight of body (b) the area is vertical (e) takes place in one dimension. (b) kg sec/metre The fluid forces considered in the Navier Stokes equation are (b) 6.4 m above the hydraulic gradient Ans: d, 137. Ans: d, 49. (c) at the summit When a body floating in a liquid, is displaced slightly, it oscillates about For manometer, a better liquid combination is one having (a) 0.5 (d) center of gravity (a) maximum (a) bottom surface of the body Ans: d, 2. Fluid Mechanics, Mechanical Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, Mechanical Engineering, Multiple Choice Questions, Objective type questions, Mechanical Engineering short notes, rapid fire notes, best theory (b) cohesion (c) both of the above Ans: b, 66. (a) wake Choose the wrong statement (a) 10 m/sec (b) Say bolt (c) rotameter (d) centre of buoyancy (e) none of the above. (a) constant (a) steady flow mechanical engineering mcq on topic of Fluid Mechanics and Hydraulic Machines for interview, entrance test and competitive examination freely available to download and export to pdf Free surface of a liquid behaves like a sheet and tends to contract to smallest possible area due to the (e) cohesion. The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the sub-merged body is called (a) it is incompressible (e) none of the above. (a) the nature of the liquid and the solid (b) parabolic (a) 0°C Ans: b, 236. The units of dynamic or absolute viscosity are In an immersed body, centre of pressure is What model scale has been used ? (e) Second law of thermodynamic. (e) none of the above. (c) very low pressure (d) 27,000 kg Ans: d, 249. Ans: c, 196. (a) its vapour pressure is low (b) momentum (c) comparing similarity between design and actual equipment The flow which neglects changes in a transverse direction is known as Answer: Any weight, floating or immersed in a liquid, is acted upon by … (c) center of pressure (d) 2.5kN/m2 (d) micro-manometer with water (e) none of the above. (a) the weight of the body (e) none of the above. (e) none of the above. (c) 7 (b) full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. (d) all of the above In a forced vortex, the velocity of flow everywhere within the fluid is (a) gravity, pressure and viscous (d) all of fhe above (d) inclined line with upward flow (c) new tons/m (a) surface tension (b) same as buoyant force Ans: d, 187. b) shear … (c) viscous and incompressible. (a) Venturimeter (c) surface tension is no criterion Ans: c, 35. Ans: c, 76. (b) reaction (c) above the center of buoyancy (e) velocity, depth, pressure, etc. (d) depth of immersion (a) Newton’s law of motion Newton’s law of viscosity relates. Mechanical Engineering-Fluid Mechanics Important MCQ PDF. (e) in any direction and in any location. (e) Relative density of liquids can be determined by means of the depth of flotation of hydrometer. 7. (b) possess surface tension The volumetric change of the fluid caused by a resistance is known as This is according to Impulse Turbine. (c) 2 m/sec Pls….. Mechanical Engineering. (c) 10 mm B increases (a) pascal (d) zero under limiting conditions (b) viscosity (a) acts in the plane of the interface normal to any line in the surface (c) velocity (d) irrespective of the motion of one fluid layer relative to an adjacent layer (a) at the centre of gravity Ans: b, 218. (e) none of the above. (e) vertically downwards. Ans: a, 56. (d) Newton’s formula (e) newton m. (a) linear (d) viscosity (c) micro-manometer (b) remains constant (e) none of the above. Buoyant force is (d) there is no cohesion pressure (a) unity Choose the wrong statement The force required on plunger is equal to Ans: a, 36. (d) does not exist MCQ Practice Tests. (e) none of the above. The free water surface will (a) the direction and magnitude of the veiocity at all points are identical (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. (a) viscosity (b) unsteady (c) 2500 kN/m2 (b) fluids conform to the shape of the containing vessels plz send me all PDF For very great pressures, viscosity of moss gases and liquids (d) inertial, gravity (d) any one of the above (c) the magnitude and direction of the velocity do not change from point to point in the fluid (d) 5.0 above the hydraulic gradient An ideal flow of any fluid must satisfy (d) flow (c) metacentre For hypersonic flow, the Mach number is (e) none of the above. (b) 13,500 kg Engineering Notes. (c) Engler Very useful material (a) Local atmospheric pressure depends upon elevation of locality only (c) viscous force and buoyancy force can you plz send me pdf of all subjects on my mail id?? Working principle of dead weight pressure gauge tester is based on The angle of contact in case of a liquid depends upon Ans: d, 58. (a) 1 mm (c) flow is increased (b) centre of pressure General energy equation holds for (b) Newton’s law of viscosity (c) specific gravity (b) between 2000 and 4000 (c) lower than the surface of liquid Ans: a, 63. (b) viscous force and inertial force (d) 20 mm This test is Rated positive by 90% students preparing for Mechanical Engineering.This MCQ test is related to Mechanical Engineering syllabus, prepared by Mechanical Engineering … The bulk modulus of elasticity of liquid is (e) true one-dimensional. (d) non-zero finite Sensitivity of inclined tube to sensitivity of U-tube is equal to (c) Reynold’s number (e) none of the above. A fluid in equilibrium can’t sustain Ans: d, 130. (c) simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls (a) cohesion pressure is negligible 6. A liquid would wet the solid, if adhesion forces as compared to cohesion forces are (d) 40 x 106 kg/cm2 (c) mass Center of pressure compared to e.g.
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