Related Questions

Venturimeters, orificemeters and nozzles are used to measure the fluid discharge from a pipeline. The average fluid velocity in a pipeline can be measured by a/an
A Weir
B Hot wire anemometer
C Cup and vane aneometer
D None of these
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than
A $$\frac{{\text{b}}}{3}$$
B $$\frac{{\text{b}}}{4}$$
C $$\frac{{\text{b}}}{5}$$
D $$\frac{{\text{b}}}{6}$$
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a
A Weir
B Pitot tube
C Kennison nozzle
D V-notch
The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall
A Depends on the thickness of the wall
B Increases with height of the wall
C Increases with depth of the wall
D Depends on the area of the wall
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will
A Increase
B Decrease
C Remain unchanged
D Data insufficient to predict relative pressure drop
Blood pressure is the pressure exerted on the wall of
A Heart
B Vein
C Artery
D Cell
The wall thickness for a large high pressure pipeline is determined by the consideration of the
A Axial tensile stress in the pipe
B Forces exerted by static and dynamic action at bends
C Circumferential pipewall tension
D Temperature stresses
In a/an __________ , the flow rate of fluids is obtained by measuring the difference between the impact and the static pressure.
A Rotameter
B Pitot tube
C Venturimeter
D Flow nozzle
The partial pressure of each constituent present in an alloy is __________ the total vapor pressure exerted by the alloy.
A Less than
B Equal to
C More than
D Either B or C; depends on the type of alloy
Total pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the retained earth weighing ‘w’ per unit volume, is
A $${\text{wh}}\frac{{\left( {1 - \sin \varphi } \right)}}{{\left( {1 + \sin \varphi } \right)}}$$
B $${\text{w}}{{\text{h}}^2}\frac{{\left( {1 - \sin \varphi } \right)}}{{\left( {1 + \sin \varphi } \right)}}$$
C $$\frac{{{\text{w}}{{\text{h}}^2}\left( {1 - \sin \varphi } \right)}}{{2\left( {1 + \sin \varphi } \right)}}$$
D $$\frac{{{\text{w}}{{\text{h}}^2}\left( {1 - \sin \varphi } \right)}}{{3\left( {1 + \sin \varphi } \right)}}$$

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