Engineering Thermodynamics Which of the following is the correct statement? All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. All engines are designed as reversible in order to obtain maximum efficiency. All the reversible engines have the same efficiency. All the reversible and irreversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If in the equation pvn = C, the value of n = ∝, then the process is called Constant pressure process Adiabatic process Constant volume process Isothermal process Constant pressure process Adiabatic process Constant volume process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is 1.013 bar 1013 × 102 N/m2 All of these 760 mm of Hg 1.013 bar 1013 × 102 N/m2 All of these 760 mm of Hg ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The statement that molecular weights of all gases occupy the same volume is known as Avogadro's hypothesis Dalton's law Gas law Law of thermodynamics Avogadro's hypothesis Dalton's law Gas law Law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Zeroth law of thermodynamics Deals with heat engines Deals with reversibility and irreversibility of process Deals with conversion of mass and energy States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other Deals with heat engines Deals with reversibility and irreversibility of process Deals with conversion of mass and energy States that if two systems are both in equilibrium with a third system, they are in thermal equilibrium with each other ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carbonization of coal consists of Moulding the finely ground coal under pressure with or without a binding material Heating the wood with a limited supply of air to temperature not less than 280°C Drying and crushing the coal to a fine powder None of these Moulding the finely ground coal under pressure with or without a binding material Heating the wood with a limited supply of air to temperature not less than 280°C Drying and crushing the coal to a fine powder None of these ANSWER DOWNLOAD EXAMIANS APP
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