Calculate the work input for the compression stroke
In an air compressor the compression takes place at a constant internal energy and 50 kj of heat are rejected to the cooling water for every kilogram of air. Calculate the work input for the compression stroke per kilogram of air.
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The manufacture claims an accuracy of + and -4% of full scale. Estimate the maximum error when reading a voltage of 80v. give your answer in volt.
About 0.1 eV is required to break a "hydrogen bond" in a protein molecule. Calculate the minimum frequency and maximum wavelength of a photon that can accomplish this.
The spring mounted slider moves in the horizontal guide with negligible friction and has a velocity vo in the x-direction as it crosses the mid position where x=0 and t=0.
What is the energy range (in joules and in eV) of photons in the visible spectrum, of wavelength 400 nm to 750 nm? (Enter your answers with the lowest energy first.)
Rotation in the Milky Way: as I mentioned the rotation speed of the sun around the Milky Way center is approximately 200 km/s (actually to be precise, it's 220 km/s), and that it takes the sun around 200 million years to orbit once around center o
A building stands on the shore, and the laser beam hits a target at the top of the building. The goal is to find the height of the target above sea level.Find the angle of incidence of the beam striking the water-air interface.
A steam turbine receives steam as a dry satured vapor at 7.0 MPa and expands adiabatically to atmospheric pressure, 100 kPa. The turbine uses 24.3 kg/h of steam for each kW. What is the entropy of the steam leaving the turbine?
The dynamic error in a temperature measurement using a thermocouple is 70% at 3 s after an input step change in temperature. Determine the magnitude ratio of the thermocouple's response at 1 s.
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