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Water is pumped from a lake at ambient pressure and temperatur to an elevaltion of 15 m through a pipe of 2-cm diameter galvanized iron at a flow rate of 0.00366 m^3/s. Assume the discharge is to open atmosphere. The pipe is 70 m long and has 2- 90o threaded bend and one 45o regular elbow, and a gate valve that is half closed. a. Draw the piping system b. Find the total friction losses c. Find the total minor losses d. Can the minor losses be neglected? e. Calculate the pump power
The bent rod ABDE is supported by ball-and- socket joint at A and E and by the cable DF. If a 600-N load is applied at C as shown , determine the tension in the cable.
a helical spring of stiffness k is cut into two halves and a mass m is connected to the twonbsphalves as shown below
Determine the resulting change
determine (a) the reaction at end A and B , (b) the minimum required cofficient of static friction at end A
Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when θ = 120°.
q1 figure shows a scale drawing of the temperature profile through a composite plane wall.i identify the layer with the
A commercial heat pump has energy in to the system at a rate of 60 kW from a thermal reservoir. If the power input from an electric motor is 15 kW, (a) determine the power (kW) delivered to the office area. (b) Determine the coefficient of perform..
Determine the coordinates x' and y' of the centroid C of the area shown in the figure and calculate the moments of inertia of the area shown, about ox and oy axes.
a combined gas-vapor power plant operates as shown in fig.9.94. pressure and temperature data are given at principal
Draw conclusions concerning the process, and relate your interpretation to the possible existence of chance and assignable causes of variation.
Three springs and a mass are attached to a rigid, weightless bar PQ. Find the equation of motion and the natural frequency of vibration of the system.
(1) I shte cooling process polytropic? If so, what is the value of n? (2) Find the final state pressure. (3) Compute the work done for this process considering the water as a closed system.
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