Download DBATU B.Tech 2019 Oct-Nov Mech 1st Sem Fluid Mechanics Question Paper

DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSITY, LONERE

Mid Semester Examination – Sept./Oct. 2019

Course: S.Y.B. Tech in MECHANICAL ENGINEERING

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Subject Name: FLUID MECHANICS

Sem: I

Subject Code: BTMEC303

Date:-05/10/2019

Max Marks: 20

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Duration:-1 Hr.

Instructions to the Students:

1. Please check whether you have got the right question paper FirstRanker.com
2. Assume suitable data wherever necessary. FirstRanker.com
3. Figures to the right indicate full marks.

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Q. 1 Solve all the following MCQ's.

1. The branch of science which deals with the behavior of fluids at rest or in Motion is Called...
   a) Fluid Statics b) Fluid Kinematics c) Fluid Dynamics d) Fluid Mechanics
   (Level/CO) Knowledge/CO1 Marks
2. The study of fluids in Motion where Pressure forces are considered is...
   

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   a) Fluid Statics b) Fluid Kinematics c) Fluid Dynamics d) Fluid Mechanics
   Knowledge/CO1
3. The property of fluid which determines its resistance to shearing stresses is called
   a) Mass Density b) Weight density c) Specific Gravity d) Viscosity
   Knowledge/CO1

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4. Unit of Specific Gravity or Relative Density is...
   a) Kg/m³ b) Kg/m² c) Unit less Quantity d) N.S/m²
   Knowledge/CO1
5. In Dynamic Viscosity, The Shear Stress is Proportional to Rate of Change of w.r.t. distance.
   a) Velocity b) Speed c) Acceleration d) Torque
   

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   Knowledge/CO1
6. One Stoke is equal to...
   a) 1 cm²/s b) 10 cm²/s c) 100 cm²/s d) None of these
   Knowledge/CO1

Solve Any Two of the following. 6

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3 X FirstRanker.com

1. Derive the expression for Pressure variation in a Fluid at Rest with neat sketch. Comprehension/CO2
2. Derive the expression for Pascal's Law with neat sketch. Comprehension/CO2
3. Explain the term Surface Tension in detail with neat sketch. Comprehension/CO2

Q. 3 Solve Any One of the following. 8

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1. Determine the Total Pressure on a circular plate of diameter 1.5m which is placed vertically in water in such a way that the centre of the plate is 3m below the free surface of water. Find the position of Centre of Pressure also.
   Apply/ CO2
2. A rectangular plane surface 2m wide and 3m deep lies in water in such a way that its plane makes an angle of 30º with the free surface of water. Determine the Total Pressure and Position of Centre of Pressure when the upper edge is 1.5m below the free surface of water.
   Apply/CO2

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