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- Two heating units A and B are connected in parallel across 120 volts supply. Unit B takes twice as much power as A and the total power is 2160 watts. Determine the resistance of A and B in ohms.
A single phase overhead transmission line delivers 1100kW at 33kV at 0.8 pf lagging. The total resistance and inductive of the line are 10ohm and 15ohm respectively. Determine : (I) sending and voltages, Vs. (II) sending end power factor. (III) transmission efficiency.
Solve the following Problems. Situation 1 A 370-mm wide plank is cut in such a way that the width is in the tangential direction of annual rings. Compute the change in width as the moisture content changes from 18% to 42%. (The fiber saturation point is 35%, and it shrinks 8.21% in drying from FSP to oven dry in the tangential direction.)
Solve the following Problems. Situation 1 A timber beam having a simple span of 4m carries a total load including its own weight of 15kN/m. It has a trapezoidal section having width of 250 mm at the top and 200 mm at the bottom and a depth of 360 mm, dressed dimension is used by reducing its dimensions by 15 mm. The wooden section is made up of 80% grade Apitong with the properties as follows: fb = 16.5 MPa fv = 1.75 MPa Compute the following: a. Maximum flexural stress b. Maximum shear stress
The shaft of a steam turbine produces 600 Nm torque at 50rev/s. Calculate the work transfer rate from the steam
The shaft of a steam turbine produces 600 Nm torque at 50rev/s. Calculate the work transfer rate from the steam
The viscosity of a fluid is to be measured by a viscometer constructed of two 3m long concentric cylinders. the inner diameter of the outer cylinder is 35cm, and the gab between the two cylinders is 0.14m.the outer cylinder is rotated at 250rpm and the torque is measured to be 1.8N determine the viscosity of fluid
The viscosity of a fluid is to be measured by a viscometer constructed of two 3m long concentric cylinders. the inner diameter of the outer cylinder is 35cm, and the gab between the two cylinders is 0.14m.the outer cylinder is rotated at 250rpm and the torque is measured to be 1.8N determine the viscosity of fluid
Prove that the full width–half maximum (FWHM), is
FWHM = 2𝜎√2ln 2
FWHM = 2𝜎√2ln 2
(v) Compare the theoretical and the experimental results of FWHM. (5)
(vi) What are the theoretical and experimental values of 𝒚 at FWHM? (5)
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