Engineering Thermodynamics The ___ is obtained when carbonization of coal is carried out at 500° to 700° C. Bituminous coal Pulverized coal Soft coal Hard coal Bituminous coal Pulverized coal Soft coal Hard coal ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Work done is zero for the following process All of the listed here Throttling Free expansion Constant volume All of the listed here Throttling Free expansion Constant volume ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The polytropic index (n) is given by log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) log (p2/ p1)/log (v1/ v2) log (p1p2)/log (v1v2) log [(p1v1)/(p2v2)] log (v1/ v2)/ log (p1/p2) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One kilowatt is equal to 1 × 106 N-m/s 100 N-m 1000 N-m/s 1 N-m/s 1 × 106 N-m/s 100 N-m 1000 N-m/s 1 N-m/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If a system after undergoing a series of processes, returns to the initial state then Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Process is executed in closed system cycle Sum of heat and work transfer will be zero Process is thermodynamically in equilibrium Its entropy will change due to irreversibility Process is executed in closed system cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The gas constant (R) is equal to the __________ of two specific heats. Difference Sum Ratio Product Difference Sum Ratio Product ANSWER DOWNLOAD EXAMIANS APP