Home
About Us
Contact Us
Privacy Policy
Search
Home
→
Fluid Mechanics for Chemical
→
What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air ?
Related MCQs
Which of the following factors does not contribute to the pressure drop in a pipeline ?
Experimental study of laminar fluid flow through a circular tube was conducted by__________?
Cocks are used to control __________?
Hydraulic radius is the ratio of __________?
The most important factor, which determines the maximum height to which water can be lifted by a pump at standard temperature is the__________?
For flow through a venturi at a particular discharge, the correct relationships among velocities at point X, Y and Z would be __________?
A fluid (μ/ρ) = 0.01 cm2/sec is moving at critical flow condition (NRe = 2100) through a pipe of dia 3 cms. Velocity of flow is __________ cm/sec?
Reciprocating pumps compared to centrifugal pumps__________?
Major loss in sudden contraction in pipe flow is due to __________?
What is the value of co-efficient of discharge for square edged circular orifice (for β = 0.3 to 0.5) ?
Bernoulli’s equation describes the __________?
In case of laminar flow of fluid through a circular pipe, the__________?
Baffles in mixing tanks are provided to__________?
Flow measurement in an open channel is done by a/an __________?
__________ is used for measuring the static pressure exerted on the wall by a fluid flowing parallel to the wall in a pipeline?
Cp/Cv is termed as__________?
A lubricant 100 times more viscous than water would have a viscosity (in Pa.s) ?
Which of the following fluid forces are not considered in the Navier-Stoke’s equation ?
In open channel flow in a rectangular channel, the ratio between the critical depth and the initial depth, when a hydraulic jump occurs is__________?
If the head over the triangular notch is doubled, the discharge will increase by __________ times?
Fanning equation is given by (ΔP/ρ) = 4f (L/D) (v2/2gc). It is applicable to __________ region flow?
Two liquids manometer is used for measuring small pressure differences in__________?
The simple Pitot tube measures the __________ pressure?
__________ forces act on a particle moving through a stationary fluid?
For flow through a venturi at a particular discharge, the correct relationships among heads at points X, Y, and Z are__________?
The discharge through a V-notch weir varies as__________?
When larger particles e.g., grains are subjected to fluidisation, the corresponding bed produced is termed as the __________ bed?
The Stoke’s stream function applies to the__________?
When a fluid flows over a solid surface, the__________?
Interstage coolers are provided in a multistage compressor to__________?
The rate of change of moment of momentum represents the __________ by the fluid?
Boiler feed water pump is usually a __________ pump?
Boundary layer separation occurs when the__________?
The ratio of inertial forces to gravity forces is called the __________ number?
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 __________?
What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water interface? The balloon is of radius 0.1 m and is filled with air ?
A. 4πg/3
B. 0.01 πgH/4
C. 0.01 πgH/8
D. 0.04 πgH/3
Correct Answer:
4πg/3
✔
Last Updated:
March 10, 2019