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) v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 v1/v2 v2/v1 (v1 + v2)/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The condition of perfect vacuum, i.e., absolute zero pressure can be attained at A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C A negative pressure and 0°C temperature A temperature of - 273.16°C A temperature of 273 °K A temperature of 0°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant) 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T 3 Ru × T Ru × T 1.5 Ru × T 2 Ru × T ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it At a pressure greater than atmospheric pressure At atmospheric pressure Any pressure Not possible At a pressure greater than atmospheric pressure At atmospheric pressure Any pressure Not possible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics On volume basis, air contains following parts of oxygen 77 21 23 25 77 21 23 25 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The natural solid fuel is Pulverised coal Wood Anthracite coal Coke Pulverised coal Wood Anthracite coal Coke ANSWER DOWNLOAD EXAMIANS APP
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