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Calculate the value of the time constant for the instrument in Prob. 11.5 if c/cc = 0.65.
Prob. 11.5:
A seismic accelerometer is to be used to measure linear acceleration over a range from 30 to 300 m/s2. The natural frequency of the instrument is 200 Hz, and this value may vary by ±2 Hz owing to temperature fluctuations. Calculate the allowable uncertainty in the relative displacement measurement in order to ensure an uncertainty of no more than 5 percent in the acceleration measurement.
A paper clip is made of wire 0.7 mm in diameter. If the original material from which the wire is made is a rod 25 mm in diameter, calculate the longitudinal engineering strain and true strain that the wire has undergone during processing.
Using integration, determine the product of inertia Ixy for the quarter-circular spandrel shown in Case 12, Appendix D.
Define- hydraulic mean radius, hydraulic dept, section factor and most efficient dhannel cross section.
Prob. 8.46 The machine part ABC is supported by a frictionless hinge at B and a 10° wedge at C. Knowing that the coefficient of static friction is 0.20 at both surfaces of the wedge, determine (a) the force P required to move the wedge to the left..
You have a centrifugal pump with an inlet radius of 200mm, an inlet blade width of 60mm, and inlet blade angle of 50 degrees. The outlet radius is 600mm, outlet blade width is 40mm and the outlet blade angle is 70 degrees. The pump handles water and ..
determine the maximum permissible gas temperature at entry to the turbine. Take γ = 1.4 for the air. Take γ = 1.333 for the gas entering the turbine. Assume R = 287 J/(kg K) in both cases
In a refrigerator 1 kW is removed from the -10 degree C cold space and 1.3 kW is moved into the 30 degree C warm space. Find the exergy fluxes including direction associated with the two heat transfers.
Consider an electric motor with shaft power output of 20kW and an efficiency of 88%. Determine the rate at which the motor dissipates heat to the room it is in when the motor operates at full load. In winter, this room is normally heated by a 2-kW re..
What will the transmissibility be if the frequency of the base motion changes to 100 Hz? What if it reduces to 25 Hz?
the compound beam is fixed at a and supported by a rocker at b and c. there are hinges pins at d and e. take f 14kn.
1. what is the difference between measurement and inspection?2. list and explain at least 3 measuring equipments for
in a close stationary system 2 kg of argon is heated from 20 degree c to 120 degree c. determine the amount of heat
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