Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Cost will be very high Not possible May be possible with lot of sophistications Theoretically possible Cost will be very high Not possible May be possible with lot of sophistications Theoretically possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carnot cycle efficiency is maximum when Final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Difference between initial and final temperature is 0°K Final temperature is 0°K Final temperature is 0°C Initial temperature is 0°K Difference between initial and final temperature is 0°K 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) Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 Both (B) and (C) cp - cv = R cv/ cp =R cv = R/ γ-1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The absolute zero pressure can be attained at a temperature of 273 K None of these 0°C -273°C 273 K None of these 0°C -273°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The unit of energy in S.I. units is Joule joule/m watt joule/s Joule joule/m watt joule/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to ∝ 1 γ ∝ 1 γ ANSWER DOWNLOAD EXAMIANS APP
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