Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvn = C pvγ = C pv = m R T pv = C pvn = C pvγ = C pv = m R T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be 3000 Nm 300 Nm 300,000 Nm 30 Nm 3000 Nm 300 Nm 300,000 Nm 30 Nm ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A molecule consisting of one atom is known as Mono-atomic Di-atomic Poly-atomic Tri-atomic Mono-atomic Di-atomic Poly-atomic Tri-atomic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative None of these Positive or negative Positive Negative None of these Positive or negative Positive ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle efficiency is higher than Diesel cycle efficiency for the same compression ratio and heat input because in Otto cycle Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher Heat rejection is lower Expansion and compression are isentropic Combustion is at constant volume Maximum temperature is higher ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Reversed joule cycle is called Brayton cycle Carnot cycle Bell Coleman cycle Rankine cycle Brayton cycle Carnot cycle Bell Coleman cycle Rankine cycle ANSWER DOWNLOAD EXAMIANS APP
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