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

Download DBATU (Dr. Babasaheb Ambedkar Technological University) B Tech 2019 Oct-Nov (Bachelor of Technology) Mech 1st Sem Fluid Mechanics Question Paper

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Mid Semester Examination ? Sept./Oct. 2019
Cehrse; ?S.Y.B. Tech in MECHANICAL ENGINEERING Sem: I
Subject Nam???I FLUID MECHANICS Subject Code:
[Max Marks: 20 Datez-05/10/2019
DR. BABASAHEB AMBEDKAR TECHNOLOGICAL UNIVERSIIY, LONERE
BTMEC303
Duration? 1 Hr.
I Instructions to the Students:
? I. Please check whether you have got the right question paper
2. Assume suitable data wherever necessary.
Figures to the right indicate full marks.
(Level/CO) Marks
Q. 1 Solve all the following MCQ?s. 6
1. The branch of science which deals with the behavior of ?uids at rest or in
Motion is Called. Knowledge/
. . . . . . . . . C01
a) Fluid Statics b) Fluld Klnematics c) Fluld Dynam1cs d) Fluid Mechanlcs .
2L 3? The??tudy of ?uids in Motion wheie Pressureforees are considered is. .. Knowledge]
a) Fluid Statics b) Fluid Kinematics c) Fluid Dynamics d) Fluid Mechanics C01 '
3. Theaproperty of ?uid which determines its resistance to shearing stresses is Knowledge/
called C01
a) Mass Density b) Weight density 0) Speci?c Gravity d) Viscosity _
4. Unit of Speci?c Gravity or Relative Density is. .. Knowledge/
b) 14ng3 b) Kg/m2 G) Unit less Quantity d) N.S/m2 cm
5. In Dynamic Viscosity, The Shear Stress is Proportional to Rate of Change ' Knowledge/
of w.r.t. distance. C01
b) Velocity b) Speed 0) Acceleratien? , d) Torque ,
6. One Stoke is equal to. .. ? , ? Knowledge/
b) 1 cm2/s b) 10 cmz/s c) 100 cth/& i ? 3 ,Id) None of these C01
Q.2 SolveTny Two of the following. w 3 X 2
(A) Derive the expression for Pressure variation in a Fiuid at Rest with neatsketch. Comprehensi
on /C02 ,,
(B) Derive the expression for Pascal?s Law with neat sketch. 7 Comprehensi
* t ' on /C02
(C) Explain the term Surface Tension in detail with neat sketch. Comprehensi
' 0n ICOZ *?
Q. 3 Solve Any One of the following. 8
(A) Determirgwe the Total Pressure on a circular plate of diameter 1.5m which is I V
placed vertically in water in such a way that the centre of the plate is 3m below Apply/ C02
the free surface of water. Find the position. of Centre of Pressure also. I
(B) A rectangular plane surface 2m wide and 3m deep lies in water in such a way
that its plane makes an angle of 300 with the free surface of water. Determine A l / C 02
the T551 Pressure and Position of Centre of Pressure when the upper edge is pp y
1.5m below the free surface of water;
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