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# Fluid Mechanics Interview Questions And Answers Pdf

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- Fluid Mechanics Interview Questions with Answers - MECHANICAL ENGINEERING INTERVIEW QUESTIONS
- Fluid Mechanics Interview Questions and Answers
- Mechanical Engineering - Hydraulics and Fluid Mechanics
- Fluid mechanics Interview Questions & Answers

*Dear Readers, Welcome to Fluid Mechanics Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Fluid Mechanics. These Fluid Mechanics Questions are very important for campus placement test and job interviews. As per my experience good interviewers hardly plan to ask any particular questions during your Job interview and these model questions are asked in the online technical test and interview of many IT companies.*

Useful for freshers, students preparing for semester exams and MTech Preparation. For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is a constant b dependent only on Reynolds number c a function of Reynolds number and relative roughness d dependent on relative roughness only Ans: b The value of friction factor 'f' for smooth pipes for Reynolds number is approximately equal to a 0. For laminar flow in a pipe of circular cross-section, the Darcy's friction factor f is a directly proportional to Reynolds number and independent of pipe wall roughness b directly proportional to pipe wall roughness and independent of Reynolds number c inversely proportional to Reynolds number and indpendent of pipe wall roughness d inversely proportional to Reynolds number and directly proportional to pipe wall roughness Ans: c Separation of flow occurs when a the pressure intensity reaches a minimum b the cross-section of a channel is reduced c the boundary layer comes to rest d all of the above Ans: c Ans: a The type of flow expected is a laminar flow b transition flow c turbulent flow d not predictable from the given data Ans: a The Prartdtl mixing length is a zero at the pipe wall b maximum at the pipe wall c independent of shear stress d none of the above Ans: a Labels: hydraulic engineering lab viva questions with answers pdf.

Stanton diagram is a a log-log plot of friction factor against Reynolds number b log-log plot of relative roughness against Reynolds number c semi-log plot of friction factor against Reynolds number d semi-log plot of friction factor against relative roughness Ans: a The depth 'd' below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be a 0.

Ans: b Ans: c The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is a 0.

If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1. In case of an airfoil, the separation of flow occurs a at the extreme rear of body b at the extreme front of body c midway between rear and front of body d any where between rear and front of body depending upon Reynolds number Ans: a When an ideal fluid flows past a sphere, a highest intensity of pressure occurs around the circumference at right angles to flow b lowest pressure intensity occurs at front stagnation point c lowest pressure intensity occurs at rear stagnation point d total drag is zero Ans: d With the same cross-sectional area and immersed in same turbulent flow, the largest total drag will be on a a circular disc of plate held normal to flow b a sphere c a cylinder d a streamlined body Ans: a In which of the following the friction drag is generally larger than pressure drag?

Coefficient of contraction for an external cylindrical mouthpiece is a 1. Which of the following has highest coefficient of discharge? Ans: d The speed of a pressure wave through a pipe depends upon a the length of pipe b the viscosity of fluid c the bulk modulus for the fluid d the original head Ans: c If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be a from reservoir A to reservoirs B and C b from reservoir B to reservoirs C and A c from reservoir C to reservoirs A and B d unpredictable Ans: c.

Size of a venturimeter is specified by a pipe diameter b throat diameter c angle of diverging section d both pipe diameter as well as throat diameter Ans: a Which of the following is an incorrect statement? Coefficient of velocity of venturimeter a is independent of Reynolds number b decreases with higher Reynolds number c is equal to the coefficient of discharge of venturimeter d none of the above Ans: c The pressure at the summit of a syphon is a equal to atmospheric b less than atmospheric c more than atmospheric d none of the above Ans: b Ay between two stream lines represents a velocity b discharge c head d pressure Ans: b Coefficient of velocity for Borda's mouth piece running full is a 0.

Coefficient of discharge for a totally submerged orifice as compared to that for an orifice discharging free is a slightly less b slightly more c nearly half d equal Ans: a Labels: fluid mechanics mcq pdf download. Fluid Mechanics objective questions for gate preparation. Equation of continuity is based on the principle of conservation of a mass b energy c momentum d none of the above Ans: a In steady flow of a fluid, the total accele ration of any fluid particle a can be zero b is never zero c is always zero d is independent of coordinates Ans: a The pitot tube is used to measure a velocity at stagnation point b stagnation pressure c static pressure d dynamic pressure Ans: b Hot wire anemometer is used to measure a discharge b velocity of gas c pressure intensity of gas d pressure intensity of liquid Ans: b The theoretical value of coefficient of contraction of a sharp edged orifice is a 0.

Which of the following is used to measure the discharge? Select the incorrect statement. Posted by engineering raju at 2 comments: Email This BlogThis!

Labels: fluid mechanics mcq with answers pdf. Which of the following velocity potentials satisfies continuity equation? The motion of air mass in a tornado is a a free vortex motion b forced vortex motion c free vortex at centre and forced vortex outside d forced vortex at centre and free vortex outside Ans: d In a forced vortex motion, the velocity of flow is a directly proportional to its radial distance from axis of rotation b inversely proportional to its radial distance from the axis of rotation c inversely proportional to the square of its radial distance from the axis of rotation d directly proportional to the square of its radial distance from the axis of rotation Ans: a Stream lines and path lines always coincide in case of a steady flow b laminar flow c uniform flow d turbulent flow Ans: a A right circular cylinder open at the top is filled with liquid and rotated about its vertical axis at such a speed that half the liquid spills out, then the pressure intensity at the centre of bottom is.

The horizontal component of force on a curved surface is equal to the. A closed tank containing water is moving in a horizontal direction along a straight line at a constant speed. The tank also contains a steel ball and a bubble of air. If the tank is decelerated horizontally, then. The eddy viscosity for turbulent flow is. Flow at constant rate through a tapering pipe is. The velocity near the airfoil, where the stream lines are 1. When the velocity distribution is uniform over the cross-section, the correction factor for momentum is.

Least possible value of correction factor for. If the velocity is zero over half of the cross-sectional area and is uniform over the remaining half, then the momentum correction factor is. Older Posts Home. Subscribe to: Posts Atom.

Useful for freshers, students preparing for semester exams and MTech Preparation. For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is a constant b dependent only on Reynolds number c a function of Reynolds number and relative roughness d dependent on relative roughness only Ans: b The value of friction factor 'f' for smooth pipes for Reynolds number is approximately equal to a 0. For laminar flow in a pipe of circular cross-section, the Darcy's friction factor f is a directly proportional to Reynolds number and independent of pipe wall roughness b directly proportional to pipe wall roughness and independent of Reynolds number c inversely proportional to Reynolds number and indpendent of pipe wall roughness d inversely proportional to Reynolds number and directly proportional to pipe wall roughness Ans: c Separation of flow occurs when a the pressure intensity reaches a minimum b the cross-section of a channel is reduced c the boundary layer comes to rest d all of the above Ans: c Ans: a The type of flow expected is a laminar flow b transition flow c turbulent flow d not predictable from the given data Ans: a

Fluid mechanics multiple choice questions has MCQs. Fluid mechanics quiz questions and answers pdf, MCQs on fluid dynamics, fluid kinematics, fluid statistics, mechanics and elementary, bulk modulus, buoyancy, flotation and stability, stagnation pressure, steady and unsteady flow MCQs with answers, energy and hydraulic grade line, confined flows, control volume and system representation, convective effects MCQs and quiz to practice exam prep tests. Fluid mechanics multiple choice quiz questions and answers pdf, mechanics exam revision and study guide with practice tests for online exam prep and interviews. Civil and mechanical engineering interview questions and answers to ask, to prepare and to study for jobs interviews and career MCQs with answer keys. Elementary fluid dynamics quiz has 38 multiple choice questions. Fluid kinematics quiz has 16 multiple choice questions. Fluid mechanics quiz has 25 multiple choice questions with answers.

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Ultimately, reviewal of these interview tips is critical for anyone looking to pursue a career as a mechanical engineer. Engines PART 1. Read More Answers. Create Your Personal Profile: Interviews are created based on your educational qualifications; Experience or,Fresher , Area of specialisation, Type of the target company for employment etc. Identify the right person for your Mechanical Engineer job using this list of Mechanical Engineer interview questions with sample answers.

Are you a graduate with mechanical, civil or chemical engineering? Are you passionate to work in laboratory and research field then log on to www. Fluid Mechanics is the branch of science that deals with behavior of fluids gases or liquids and forces on them. Fluid mechanics consists of fluid statics, fluid kinematics, fluid dynamics. Fluid Statics is the study of fluids in rest. Fluid Kinematics is study of fluids in motion considering the pressure force. Fluid dynamics is the study of fluids in motion considering the pressure force.

Why the Centrifugal Pump is called High Discharge pump? Centrifugal pump is a kinetic device. The centrifugal pump uses the centrifugal force to push out the fluid. So the liquid entering the pump receives kinetic energy from the rotating impeller. The centrifugal action of the impeller accelerates the liquid to a high velocity, transferring mechanical rotational energy to the liquid. So it discharges the liquid in high rate.

Civil engineering interview questions and answers on the topic of hydraulics and fluid mechanics for interview, entrance test and competitive examination freely available to download for pdf export. This article of Fluid Mechanics questions and answers will be helpful to you when you are going for an interview in a core company. A Hydraulic press has a ram of 30 cm diameter and a plunger of of 2 cm diameter. Give its limitations and importance.? Question2: Explain the laws of Thermodynamics.? Question3: Explain the following terms: Isolated system, Open system and closed system and give example where ever possible.?

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*Last Updated on February 8, by Admin. Landing a job in a core company is a dream for almost every mechanical engineer.*

TOP FLUID MECHANICS Interview Questions and Answers

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