Determine efficiency of carnot cycle if in adiabatic expansion volume 3 times of initial and r=1.5.

Hydrogen is used in a Carnot cycle as a working substance. Find the efficiency of the cycle, if as a result of an adiabatic expansion (a) the gas volume increases n = 2.0 times , (b) the pressure decreases n = 2.0 times.

Derive an expression for efficiency of Carnot cycle.

An ideal gas goes through a cycle consisting of alternate isothermal and adiabatic curves (Fig. 2.2). The isothermal processes proceed at the temperatures T_1, T_2 and T_3 . Find the efficiency of such a cycle, if in each isothermal expansion the gas volume increases in the same alphaortion. .

An ideal gas (gamma=1.4) is used in a carnot cycle as a working substance . Substance. The efficency of the cycle, if as a result of an adiabatic expansion, the gas volume increases 2.75 times is [(1.5)^(2.5)=2.75]

In a carnot cycle involving ideal non-linear triatomic gas, if during adiabatic expansion volume increases from 2L to 16L and heat absorbed during isothermal expansion is 8 kcal, then calculate magnitude of work done by carnot engine (in kcal).

Find the efficiency of a cycle consisting of two isochoric and two adiabatic lines, if the volume of the ideal gas changes n = 10 times within the cycle. The working substance is nitrogen.

In an adiabatic expansion the product of pressure and volume :