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The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is
The work done in isothermal compression compared to that in adiabatic compression will be
In a reciprocating air compressor, the compression work per kg of air
Multistage compression of air as compared to single stage compression offers the advantage of
Maximum work is done in compressing air when the compression is
For minimum work in multistage compression, assuming same index of compression in all stages
The indicated work per unit mass of air delivered is
Heat conducted through per unit area and unit thick face per unit time when temperature difference between opposite faces is unity, is called
Six men can complete a work in 5 days if they work for 8 hours per day. How many days will 4 men take to do the same work if they work only 5 hours per day?