Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (p2/ p1)/log (v1/ v2) log (v1/ v2)/ log (p1/p2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] 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
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Positive or negative Positive Negative None of these Positive or negative Positive Negative None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The fuel mostly used in blast furnace for extracting pig iron from iron ores is Soft coke Hard coke Bituminous coal Pulverized coal Soft coke Hard coke Bituminous coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called None of these Specific heat at constant pressure Specific heat at constant volume Kilo Joule None of these Specific heat at constant pressure Specific heat at constant volume Kilo Joule ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The temperature at which the volume of a gas becomes zero is called Absolute temperature Absolute zero temperature Absolute scale of temperature None of these Absolute temperature Absolute zero temperature Absolute scale of temperature None of these ANSWER DOWNLOAD EXAMIANS APP