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For the same terminal conditions and fitting size, the least friction loss is incurred in a/an ?
Related MCQs
Glass pipes can be joined by__________?
The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
Scale up of agitator design requires__________?
The velocity for subsonic flow in a pipeline__________?
For steady ideal fluid flow, the Bernoulli’s equation states that the__________?
Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton’s law of viscosity. (II) Newton’s second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary?
Purpose of air lift pump is to__________?
A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now__________?
Select the correct practical example of steady non-uniform flow?
Pressure co-efficient is the ratio of pressure forces to __________ forces?
Which of the following is not a dimension-less parameter ?
Identification of pipelines carrying different liquids and gases is done by the __________ of the pipe?
The maximum delivery pressure of a reciprocating compressor may be about __________ kg/cm2?
Plunger pumps are used for__________?
A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is __________ litres?
The blades of a centrifugal impeller are said to be curved forward, if the __________ of the motion of impeller blades?
If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is__________?
Stoke’s law is valid, when the particle Reynolds number is __________?
Transition length for turbulent flow in smooth pipe is equal to __________ times the pipe diameter?
Velocity head on sudden enlargement in a horizontal pipe is converted into __________ head?
Choose the set of pressure intensities that are equivalent ?
Consider two pipes of same length and diameter through which water is passed at the same velocity. The friction factor for rough pipe is f1 and that for smooth pipe is f2. Pick out the correct statement ?
Critical velocity in a pipe flow__________?
The head loss due to sudden contraction is proportional to__________?
The continuity equation of fluid mechanics utilises the principle of conservation of __________?
Existence of boundary layer in fluid flow is because of the__________?
The energy loss over a length of pipeline according to Darcy-Weisbach equation for pipe flow is __________ the mean velocity of flow?
In case of end to end connection of two or more pipes in series, the __________ each pipe?
What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate ?
Foot valves are provided in the suction line of a centrifugal pump to __________?
As per Newton’s law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to (where, μ = fluid viscosity) ?
Which of the following equations is valid for laminar flow of a fluid through packed bed ?
A piezometer provided in the pipe measures__________?
Drag force on the float of a Rotameter is (where Q = flow rate of the)__________?
Toothpaste is a__________?
In a dry packed bed, the pressure drop will be changed by increasing the flow rate as__________?
Pick out the correct statement pertaining to transition/ entrance length in fluid flow ?
Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?
Which of the following is used for very accurate measurement of flow of gas at low velocity ?
The speed of a sound wave in a gas is analogous to the speed of __________?
A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is__________?
An isentropic process is the one, in which__________?
Pressure drop for turbulent fluid flow through a circular pipe is given by__________?
With the increase in depth, the hydrostatic pressure in an un-accelerated incompressible fluid (in a constant gravitational field) ?
For a given fluid flow rate, which of the following incurs maximum head loss ?
For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the__________?
In a fluidised bed reactor__________?
What type of motion the fluid element undergoes, when it changes from one position to another position, such that the angle between the two sides changes ?
Mach number is the ratio of the speed of the __________?
Actual lift of a pump is always less than the theoretical lift and is limited by the__________?
Low specific speed of a pump implies that, it is a/an __________ pump?
For the same terminal conditions and fitting size, the least friction loss is incurred in a/an ?
A. T-joint
B. Union
C. 45° elbow
D. 90°bend
Correct Answer:
Union
✔
Last Updated:
March 10, 2019