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The value of critical Reynolds number for pipe flow is_________________?
Related MCQs
The range of a particular Rotameter can be increased by__________?
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f = 16/NRe, is valid for__________?
Which of the following exemplifies a three dimensional fluid flow ?
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The discharge through a semi-circular weir varies as (where, H = Head of liquid.) ?
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Multistage compressors are used in industry, because they__________?
Dimension of kinematic viscosity is__________?
In case of Couette flow, the fluid flow is between two large flat parallel plates with__________?
Weber number is the ratio of inertial force to __________ force?
Potential flow is the flow of__________?
Prandtl number is a measure of the__________?
The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?
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Hydraulic mean radius for flow through packed bed of spherical particle of size, ‘Dp, with porosity ‘ε’ is__________?
The pressure intensity is the same in all directions at a point in a fluid__________?
Hot wire anemometer is used to measure the__________?
The peripheral velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec?
The fluid velocity varies as the cube of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid?
Quicksand is an example of a __________ fluid?
Design of the casing of centrifugal pump should be such as to minimise the__________?
Drag co-efficient CD, in Stoke’s law range is given by__________?
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Capacity of a rotary gear pump can be varied by__________?
The vent valve provided in a liquid handling centrifugal pump is__________?
Paper pulp is an example of __________ fluid?
Drag is the force component exerted on an immersed object, ?
The most serious disadvantage of an orificemeter is that__________?
Boundary layer exists in flow__________?
The capillary rise of mercury is maximum in glass tube of dia __________ mm?
Laminar flow is characterised by the nonexistence of__________?
The maximum depth from which a centrifugal pump can draw water is__________?
The pressure and power requirement of a gas fan at constant speed & capacity varies __________ the gas density?
A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump__________?
A 2″ gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is__________?
The co-efficient of discharge of an orificemeter is a function of __________?
A streamline is a line in flow field __________?
Bernoulli’s equation for steady, frictionless, continuous flow states that the __________ at all sections is same?
In turbulent flow, the__________?
Check valve is used for __________ flow?
The value of critical Reynolds number for pipe flow is_________________?
A. 1,300
B. 10,000
C. 100,000
D. None of these
Correct Answer:
1,300
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Last Updated:
March 10, 2019