Related Questions
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If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be
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4
Stoke is the unit of
A. Kinematic viscosity in C. G. S. units
B. Kinematic viscosity in M. K. S. units
C. Dynamic viscosity in M. K. S. units
D. Dynamic viscosity in S. I. units
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4
An object having 10 kg mass weighs 9.81 kg on a spring balance. The value of 'g' at this place is
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4
In the case of steady flow of a fluid, the acceleration of any fluid particle is
D. Zero under limiting conditions
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A flow is called sub-sonic, if the Mach number is
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The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is
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The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is
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A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water?
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In case of flow through parallel pipes,
A. The head loss for all the pipes is same
B. The total discharge is equal to the sum of discharges in the various pipes
C. The total head loss is the sum of head losses in the various pipes
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When the Mach number is less than unity, the flow is called
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An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.
C. Inversely proportional
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The Reynold's number of a ship is __________ to its velocity and length.
B. Inversely proportional
C. Square root of velocity
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According to Bernoulli's equation for steady ideal fluid flow
A. Principle of conservation of mass holds
B. Velocity and pressure are inversely proportional
C. Total energy is constant throughout
D. The energy is constant along a streamline but may vary across streamlines
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4
The critical depth meter is used to measure
A. Velocity of flow in an open channel
B. Depth of flow in an open channel
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The power transmitted through the pipe is maximum when the head lost due to friction is equal to
A. One-fourth of the total supply head
B. One-third of the total supply head
C. One-half of the total supply head
D. Two-third of the total supply head
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The Cipoletti weir is a __________ weir.
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Reynold's number is the ratio of inertia force to
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The resultant upward pressure of the fluid on an immersed body is called
D. All the above are correct
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The force present in a moving liquid is
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Falling drops of water become spheres due to the property of
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If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be
A. Higher than the surface of liquid
B. The same as the surface of liquid
C. Lower than the surface of liquid
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When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
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The discharge through a siphon spillway is
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The pressure of liquid at throat in a Venturimeter is __________ than that at inlet.
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Ratio of inertia force to elastic force is known as
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An internal mouthpiece is said to be running __________ if the length of the mouthpiece is more than three times the diameter of the orifice.
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The mercury does not wet the glass. This is due to the property of the liquid known as
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An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.
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The difference of pressure between the inside and outside of a liquid drop is
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The property by virtue of which a liquid opposes relative motion between its different layers is called
B. Coefficient of viscosity