Engineering Thermodynamics The standard value of atmospheric pressure taken at sea level is All of these 1.013 bar 760 mm of Hg 1013 × 102 N/m2 All of these 1.013 bar 760 mm of Hg 1013 × 102 N/m2 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 Free expansion Hyperbolic expansion Parabolic expansion Adiabatic expansion Free expansion Hyperbolic expansion Parabolic expansion Adiabatic expansion 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 very slightly The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up The room will be cooled very slightly The temperature of the air in room will remain unaffected The room will be cooled to the temperature inside the refrigerator The room will be gradually warmed up ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen consists of __________ atoms of oxygen. 2 8 4 16 2 8 4 16 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The sum of internal energy (U) and the product of pressure and volume (p.v) is known as Enthalpy Work done Entropy Power Enthalpy Work done Entropy Power ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Relation between cp and cv is given by (where cp = Specific heat at constant pressure, cv = Specific heat at constant volume, γ = cp/cv, known as adiabatic index, and R = Gas constant) cp - cv = R Both (B) and (C) cv/ cp =R cv = R/ γ-1 cp - cv = R Both (B) and (C) cv/ cp =R cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP