Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 v2/v1 (v1 + v2)/v2 v1/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Carbonization of coal consists of Moulding the finely ground coal under pressure with or without a binding material None of these Drying and crushing the coal to a fine powder Heating the wood with a limited supply of air to temperature not less than 280°C Moulding the finely ground coal under pressure with or without a binding material None of these Drying and crushing the coal to a fine powder Heating the wood with a limited supply of air to temperature not less than 280°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Design of engine Size of engine Working substance Temperatures of source and sink Design of engine Size of engine Working substance Temperatures of source and sink ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The general gas energy equation is (where Q1 - 2 = Heat supplied, dU = Change in internal energy, and W1 - 2 = Work done in heat units) Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 Q1 - 2 = dU × W1 - 2 Q1 - 2 = dU + W1 - 2 Q1 - 2 = dU - W1 - 2 Q1 - 2 = dU/W1 - 2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Carnot cycle depends upon Volume compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio Volume compression ratio Pressure ratio Temperature limits Cut-off ratio and compression ratio ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Total heat of a substance is also known as Internal energy Entropy Enthalpy Thermal capacity Internal energy Entropy Enthalpy Thermal capacity ANSWER DOWNLOAD EXAMIANS APP