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for the system shown in fig p126 water flows through the pump at a rate of 50 ls the allowable npsh provided by the
an axial-flow pump has a stator blade positioned upstream of the impeller and it provides an angle alpha1 60deg to the
a centrifugal pump with the dimensions r2 25 in b2 040 in b2 60deg is pumping kerosene s 080 at a rate of 2 galsec
a manufacturer desires to double both the discharge and head on a geometrically similar pump determine the change in
a pump is required to move water at 2900 galmin against a head of 200 ft the approximate rotational speed is 1400 rpm
the flow rate of water in a 12-cm-diameter pipe is measured with a 6-cm-diameter venturi meter to be 009 m3 s what is
a pressure difference across an elbow in a water pipe is measured estimate the flow rate in the pipe the pressure
a spherical cavity of radius alpha is made within a uniformly charged sphere of radius b the center of the cavity being
taking into account that air becomes conducting when an electric field in it reaches about 3 bull 106 voltm determine
a spherical conductor of radius a carrying a charge s is surrounded by a thin concentric spherical conductor of radius
suppose that we are located at the center field-free region of a very large uniform spherical cloud of positive charge
an electrostatic system is studied by means of a small-scale model whose total charge and linear dimensions are
show by means of dimensional analysis or otherwise that if an electrostatic system consisting of a charge distribution
the electrodes of a certain discharge tube have the form of a thin parallel-plate capacitor of plate separation d the
show that the potential measured at a point of the model de-scribed in problem 423 is ma-1 times the potential at the
consider a fir filter with coefficient vectora determine the reflection coefficients for the corresponding fir lattice
design a bandpass filter using a fixed window design technique that has the minimum length and that satisfies the
consider the filter specifications given in figure p71 use the fir2 function and a hamming window to design a
design a bandpass filter using the frequency sampling method choose the order of the filter appropriately so that there
consider an ideal lowpass filter with the cutoff frequency omegae 03pi we want to approximate this filter using a
design a minimum-order linear-phase fir filter using the parks-mcclellan algorithm to satisfy the requirements given in
we want to design a digital resonator with the following requirements a 3 db bandwidth of 005 rad a resonant frequency
design a lowpass analog chebyshev-i filter with an acceptable ripple of 1 db for le 10and an attenuation of 50 db or
design a lowpass analog chebyshev-i filter with the following characteristicsbull a passband ripple of 05 dbbull
a signal xat contains two frequencies 10 khz and 15 khz we want to suppress the 15 khz component to 50 db attenuation