Engineering Thermodynamics The ratio of specific heat at constant pressure (cp) and specific heat at constant volume (cv) is Less than one Equal to one None of these Greater than one Less than one Equal to one None of these Greater than one ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An adiabatic wall is one which Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction Discourages thermal interaction Encourages thermal interaction Prevents thermal interaction Permits thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 5 to 8 15 to 30 10 to 20 3 to 6 5 to 8 15 to 30 10 to 20 3 to 6 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a fluid expands suddenly into vacuum through an orifice of large dimension, then such a process is called Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion Hyperbolic expansion Adiabatic expansion Parabolic expansion Free expansion ANSWER DOWNLOAD EXAMIANS APP
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 and irreversible engines have the same efficiency. All the reversible 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 and irreversible engines have the same efficiency. All the reversible engines have the same efficiency. Irreversible engines have maximum efficiency. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The door of a running refrigerator inside a room was left open. Which of the following statements is correct? The room will be cooled to the temperature inside the refrigerator The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be gradually warmed up The room will be cooled to the temperature inside the refrigerator The temperature of the air in room will remain unaffected The room will be cooled very slightly The room will be gradually warmed up ANSWER DOWNLOAD EXAMIANS APP
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