Q321
Open questionWhich of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)?
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Chemical Engineering · all questionsChemical Engineering Thermodynamics
Chemical Engineering Thermodynamics
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Q322
Open questionKeeping the pressure constant, to double the volume of a given mass of an ideal gas at 27°C, the temperature should be raised to __________ °C.
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Q323
Open questionPick out the wrong statement.
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Q324
Open questionFor an isothermal reversible compression of an ideal gas
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Q325
Open questionWhich of the following identities can be most easily used to verify steam table data for superheated steam.
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Q326
Open questionFilling of gas from a high pressure cylinder into small bottles is an example of a/an __________ process.
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Q327
Open questionCharles law for gases states that
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Q328
Open questionBoyle's law for gases states that
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Q329
Open questionWhich of the following is not an intensive property?
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Q330
Open questionPick out the wrong statement.
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Q331
Open questionWhat is the number of degree of freedom for a system of two miscible non-reacting species in vapor-liquid equilibrium forming an azeotrope?
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Q332
Open questionWhat is the degree of freedom for two mis-cible (non-reacting) substances in vapor-liquid equilibrium forming an azeotrope?
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Q333
Open questionAt __________ point, all the three phases (i.e.solid, liquid and gas) co-exist.
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Q334
Open questionCritical compressibility factor for all substances
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Q335
Open questionOne ton of refrigeration is defined as the heat rate corresponding to melting of one ton of ice in one
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Q336
Open questionEnthalpy changes over a constant pressure path are always zero for __________ gas.
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Q337
Open questionThermal efficiency of a Carnot engine can approach 100%, only when the temperature of the
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Q338
Open questionThe reaction A (l) R(g) is allowed to reach equilibrium conditions in an autoclave. At equilibrium, there are two phases, one a pure liquid phase of A and the other a vapor phase of A, R and S. Initially A alone is present. The number of degrees of freedom are
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Q339
Open questionIn polytropic process (PVn = constant), if n = 1; it means a/an __________ process.
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Q340
Open questionMollier diagram is a plot of
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