Engineering Thermodynamics An isolated system is one in which Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of the Carnot cycle may be increased by Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant Decreasing the highest temperature Increasing the lowest temperature Increasing the highest temperature Keeping the lowest temperature constant ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Water contained in a beaker can be made to boil by passing steam through it Not possible 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 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When a system changes its state from one equilibrium state to another equilibrium state, then the path of successive states through which the system has passed, is known as Thermodynamic law Thermodynamic cycle None of the listed here Thermodynamic process Thermodynamic law Thermodynamic cycle None of the listed here Thermodynamic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is -80 kJ -140 kJ -40 kJ +60 kJ -80 kJ -140 kJ -40 kJ +60 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Producer gas is obtained by Passing air and a large amount of steam over waste coal at about 650°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing steam over incandescent coke Passing air and a large amount of steam over waste coal at about 650°C Partial combustion of coal, coke, anthracite coal or charcoal in a mixed air steam blast Carbonization of bituminous coal Passing steam over incandescent coke ANSWER DOWNLOAD EXAMIANS APP
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