FLUID MECHANICS
49 videos • 371 views • by ARS MPC SOLUTIONS
1
A turbine develops 7725 kW under a head of 28 metres at 140 rpm. Calculate the specific speed of
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2
A turbine is working under a head of 40 m and at a speed of 1100 rpm. The power developed is 1200kW
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3
A glass tube of internal diameter 4 mm is immersed in a liquid of specific gravity 12.2 and surface
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4
A certain liquid has a dynamic viscosity of 0.073 poise and specific gravity of 0.87. Compute the..
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5
Find the surface tension of soap bubble of 40 mm diameter inside pressure is 2.5N/mm² above at...
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6
If 5 m³ of certain oil weighs 40kN, calculate the specificweight, mass density and specific gravity
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7
A hydraulic turbine working under a head of 165 metres runs at 300 rpm, the discharge of the turbine
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8
From the law of conservation of mass, show whether the flow field represented by u= -3xy+y and .....
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9
The information on a can of pop indicates that the can contains 355 mL.The mass of a full can of pop
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10
The velocity components in the x and y- directions are given as u=(2xy^{3}-(2yx^{3}/3)) and..
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11
The stream function for an incompressible, two dimensional flow field is psi=ay-by^{3} where a and b
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12
If stream function, Psi=(2x^{3}-3xy^{2}), indicate whether the flow is rotational or irrotational.
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13
A jet 200 mm diameter moving at a velocity of 20 metres per second impinges normally on a series of
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14
A jet 120 mm in diameter moving at 20 metres per sec strikes a plate which remains at rest...
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15
A single-acting reciprocating pump, running at 50 r.p.m., delivers 0.015 m³ /s of water.
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16
A jet of water of diameter 15 cm strikes a flat plate normally with a velocity of 18 m/s
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17
The rate of flow of water through a horizontal pipe is 0.25 m³/s. The diameter of the pipe is
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18
A power develops 10000 kW when running at 100 r.p.m. The head on the turbine is 30 m.
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19
A jet of water 50 mm in diameter with a velocity of 25m/sec impinges on a series of plates.
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20
A jet of water of diameter 10cm moving with a velocity of 35m/s strikes a fixed plate in such a way
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21
A nozzle outer diameter 55 mm diameter delivers a stream of water at 25 m/sec perpendicular
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22
A double-acting reciprocating pump running at 50 rpm is discharging 1.5m^3 of water per minute.
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23
A double-acting reciprocating pump, running at 45 r.p.m., is discharging 1.5m³ of water per minute.
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24
The space between two square flat parallel plates is filled with oil. Each side of the plate is 60cm
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25
An oil of viscosity 5 poise is used for lubrication between a shaft and sleeve. The diameter of the
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26
Define viscosity. A plate having an area of 0.7 m² is sliding down the inclined plane at 45° to the
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27
A shaft 80 mm in diameter is being pushed through a bearing sleeve 80.20mm in diameter and 300 mm
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28
A pipe of 5.25 cm internal diameter and 15cm long slides down a vertical shaftof 5.0cm diameter at
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29
Calculate specific weight, density and specific gravity of two liters of a liquid which weigh 7N.
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30
In a stream of oil of specific gravity 0.85 and kinematic viscosity 0.82 stokes, a plate of 45 cm
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31
Find the discharge through a triangular notch under a constant head of 0.25m if the angle of the
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32
Find the critical depth and critical velocity of water flowing through a rectangular channel of
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33
A rectangular weir is 2m long and has a head of 0.675m. Find the discharge taking into account two
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34
Water is flowing over a Cippoletti weir 4.0 m long under a head of 1.0 m. Calculate the discharge,
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35
Find the discharge over a cipolletti weir of length 1.8 m when the head over the weir is 1.2 m.
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36
Find the discharge of water flowing over a rectangular notch of 2m length when the constant head
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37
A rectangular notch 50 cm long is used for measuring a discharge of 40 liters per second.
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38
A right angled V-notch is used for measuring a discharge of 30 l/s. an error of 2mm was made in
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39
Calculate the specific weight, specific mass,specific volume and specific gravity of a liquid having
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40
A rectangular notch 400 mm long is used for measuring a discharge of 0.003m³/s. An error of 1.5 mm
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41
A right angled V-notch is used for measuring a discharge of 0.03 m³/s. An error of 1.5 mm was made
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42
The flow field of a fluid is given by V= xyi + 2yzj-(yz + z²)k. Show that it represents a possible
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43
A 25 mm diameter water jet exerts a force of 450 N in the direction of flow against a flat plate
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44
A turbine develops 7350 KW under a head of 25 meters at 135 rpm. Calculate the specific speed of
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45
If the velocity potential function ϕ =4(x^2 – y^2), the velocity components at the points (2, 3) is
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46
If the pressure at a point below the sea is 137.7 KN/m² what is the pressure 30m below this point.
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47
The cylinder bore diameter of a single acting reciprocating pump is 150 mm and its stroke length is
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48
Calculate the shear stress developed in oil of viscosity 1.4 poise,used forlubricating the clearance
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49
A jet of water of diameter 60 mm moving with a velocity of 25 m/s strikes a fixed plate in such a
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