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The ratio of inertial forces to gravity forces is called the ______________ number?
Related MCQs
Buoyant force__________?
While starting a centrifugal pump, its delivery valve should be kept__________?
The Navier-Stokes equation deals with the law of conservation of__________?
Open channel liquid flow is most conveniently measured by a__________?
Which of the following may be termed as a variable orifice flow-meter ?
Which of the following is not dimension-less ?
The line of action of the buoyant force passes through the centre of gravity of the__________?
Mercury is an ideal barometric fluid mainly due to its __________?
Surge tanks are provided in high pressure water pipelines to__________?
The velocity distribution in direction normal to the direction of flow in plane Poiseuille flow is__________?
With increase in the temperature, viscosity of a liquid__________?
The continuity equation in ideal fluid flow states that__________?
Capacity of a hydraulic accumulator is defined in terms of maximum__________?
Nature of fluid flow during the opening of a valve in a pipeline is__________?
The ratio of average fluid velocity to the maximum velocity in case of laminar flow of a Newtonian fluid in a circular pipe is__________?
The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct) ?
Hydraulic intensifier is used for increasing the __________?
Net positive suction head (NPSH) of a centrifugal pump must be__________?
The ratio of the hydraulic radius to the diameter of the channel, for maximum mean velocity of flow in a circular channel, in open channel flow is__________?
Volute type of casing is provided in a centrifugal pump to__________?
Air vessel provided in a reciprocating pump__________?
The pipe wall thickness is minimum for a pipe of given nominal size having schedule number__________?
The ratio of width to depth for the most economical rectangular section in open channel flow is__________?
Choking in case of pipe flow means that a__________?
If Blasius or Darcy friction factor is ‘f1’ then the Fanning friction factor is equal to__________?
Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases?
When the pipe Reynold’s number is 6000, the flow is generally__________?
Which of the following is a dimensionless parameter ?
The pump impeller and the turbine runner in a hydraulic torque converter__________?
Deformation drag, which is caused by widespread deformation of fluid around the immersed body__________?
With diminishing cross-sectional area in case of subsonic flow in a converging nozzle, the__________?
A streamline is__________?
What causes convective acceleration in fluid flow ?
Each term of the Bernoulli’s equation written in the form, (p/ρ) + (g/gc). Z + (v2/2gc) = constant, represents the total energy per unit __________?
Draining of shallow pits or sump is done by a sump pump, which is a __________ pump?
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant ?
Which of the following is the „Blasius equation‟, relating friction factor to the Reynolds number ?
A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation ?
Isotropic turbulence occurs __________?
Specific speed of a centrifugal pump relates it with another pump having the__________?
For flow through an orifice from a reservoir, the actual velocity at the vena contracta is given by __________?
A special type of liquid transporting device is the diffuser pump, in which __________ are minimised?
Vena-contracta pressure tapping is at a distance __________ from the position of an orificemeter fitted in a pipe of internal diameter ‘d’ ?
Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid__________?
Manometers measure the __________ pressure?
Pitot tube measures the __________ of a fluid?
For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is __________?
What causes cavitation in centrifugal pump ?
Volume of liquid displaced by a floating body is equivalent to its__________?
The pressure at a point in a fluid is not the same in all directions, when the fluid is viscous and__________?
Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of__________?
The ratio of inertial forces to gravity forces is called the ______________ number?
A. Mach
B. Froude
C. Euler
D. Weber
Correct Answer:
Froude
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Last Updated:
March 10, 2019