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An applied torque of 6 Nm causes the speed of a machine part to increases uniformly from 300 to 500 rpm whilst rotating through 18 revolutions. Find (a) the angular acceleration, (b) the time taken for the speed to increase, (c) the work done, (d) the average power developed, (e) the maximum power developed.
a differential thermocouple with sensors at the inlet and exit of a pump indicates that the temperature of water rises
State the sequence in which the cylinders operate on the operation of the start valve and show, with the aid of a schematic diagram, how an electronic controller could be included in the circuit to control the sequence of cylinder operations.
a mass of m .24kg of steam is contained in a closed cylindrical container is compressed by a piston from initial
what is the suction specific speed for the pump that is operating under the conditions given in problem 14.16? is this
A kitchen contains a standard refrigerator and a window air conditioner. The refrigerator operates at steady state using 200 W of electric power and a COP of 3. If the kitchen is well insulated:
The compressor of a refrigeration unit operates with a flow rate of 1800 kg/hr and an isentropic efficiency of 0.75. The working fluid is R-134 which enters as a saturated vapor at 20 C and exits the compressor at a pressure of 1 MPa. Determine the p..
an air-standard otto cycle operates with a compression ratio of 8. at the start of the compression stroke the pressure
A submarine can safely resist 1800 psig. How deep in the ocean can the submarine travel? I found the answer to be 1205 m. Hope fully this is correct. The follow up question is. Calculate the pressure gradient due to gravity in water at 15 C. Express ..
to a man walking with a speed of 2 ms the rain appears to fall vertically. if the velocity of rain is 4 ms calculate
a refrigerator cycle has a cop of 3 and removes 100kw of heat from a building which is kept at 23c. the device rejects
The water is initially at room temperature (293 K). Water boils at 373 K. How much energy must be added to the water by heating it in order for it to start boiling?
A sheet of epoxy reinforced with 60% unidirectional E-glass fibers, where x is the fiber direction. Strains ex= 0.0030, ey=-0.0020, and yxy = .0025 are measured. Estimate the applied stress ox, oy, txy
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