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It is known that the pressure developed by a centrifugal pump, Δp, is a function of the diameter D of the impeller, the speed of rotation n, the discharge Q, and the fluid density ρ. Using the step-by-step method, determine the π-groups relating these variables.
An experimental program is being set up to calibrate a new flow meter. It is assumed that the mass flow rate is a function of the following variables: m= (ΔP, D, μ, ρ) where Δp is the pressure difference across the meter, D is the pipe diameter, μ is the fluid viscosity, and ρ is the fluid density. Using the exponent method, find the π-groups relating these variables.
When an earthquake occurs, two types of sound waves are generated and travel through the earth. The primary, or P, wave has a speed of about 7.5 km/s and the secondary, or S, wave
A coil of 300 turns is wound uniformly on a ring of non-magnetic material. The ring has a mean circumference of 40cm and a uniform cross-sectional area of 4cm 2 . If the current in
Astigmatism: In this defect the surface of eye is not perfectly spherical. The eye has different focal point in dissimilar planes and image of an object is not focused clearly
Q. Define: optic axis of a crystal. In a double refracting crystal there is a particular direction in which both the rays travel with same velocity. This direction is called a
gravitational potential energy = integral of force with respect to displacement. Find height to drop 59g egg so that it just misses touching ground.
A sphere of mass m and radius r is on a smooth fixed inclined plane in equilibrium, if now the sphere is displaced by a small distance along the plane , what will be angular freque
Calculation of number of atoms per unit cell The number of atoms per unit cell occurs on the crystal structure and the kind of basic elements (basis or pattern unit or motif) t
Mention two salient features of immunity theory of ageing. Write the full form of ESR. What does the increase in ESR indicate?
Define Railway Tanker? A long, cylindrical tank is placed on a carriage that is able to slide without friction on. The mass of the empty tanker is M=180 kg at first the tank is
Negative feedback principle: The idea that in a system where there are self-propagating conditions, those new conditions tend to act against earlier existing circumstances. Su
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