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Discuss the Carnot cycle of operation and reduce the expression for efficiency. Carnot engine is works on the principle of Carnot cycle made up of four stages are represented as shown in (PV) diagram.
1) Isothermal expansion (LM): The gas is permitted to expand isothermally. During the expansion gas absorb an amount of heat Q1 from the source at T1.
(2)Adiabatic expansion (MN): The gas is permitted to expand adiabatically till the temperature of gas falls to T2, the temperature of the sink,
(3) Isothermal compression (NO): The gas is compressed slowly at constant temperature T2. During this method a certain amount of heat Q2 is rejected into the sink,
(4) Adiabatic compression (OL): The gas is further compressed adiabatically till it returns to its initial state L. The cycle of operations, LM, MN, NO and OL is known as the Carnot cycle. It is shown by the closed loop LMNOL.
When reverse bias is enhanced the electric field at the junction also enhances. At some stage the electric field becomes so high that it breaks the covalent bonds building electron
1.A=the set of whole numbers less tan 4 ? 2.B=the set of prime numbers less than 19 ? 3.C=the set of first three days of week?
Determine the refractive index of a pair of media provided critical angle as 40°. Determine the angle of deviation generated by a thin prism of refracting angle 5° and refractiv
Object-Image Relationships Ray tracing for a thin lens showing the formation of a real image of an object.
The lead alloy: Most of the soldering in the electronic industry is carried out using tin lead alloy. Pure lead metals at 327 0 C, whereas tin melts at 232 0 C and the mixture of
A ball is thrown vertically upwards from the ground with a speed of 80 feet/second. In the English system of units, Determine the magnitude and direction of the acceleration
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a) Heat produced is directly proportional to the square of the current passing by a conductor. b) This effect is produced because of collision of free electrons with positive io
Vibratory and Oscillatory Motion : To and fro or back and forth motion of an object is known as vibratory and oscillatory motion.
Q. If the moons orbit is inclined somewhat relative to the Earth's orbit what effect does this have on eclipses? Answer:- This makes eclipses rarer as well as if the moon's
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