Engineering Thermodynamics The general law for the expansion or compression of gases, is pv = C pvn = C pv = m R T pvγ = C pv = C pvn = C pv = m R T pvγ = C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats) 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 1 + (1/ rγ - 1) 1 - rγ - 1 1 - (1/ rγ - 1) 1 + rγ - 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One molecule of oxygen consists of __________ atoms of oxygen. 8 2 4 16 8 2 4 16 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 +60 kJ -140 kJ -40 kJ -80 kJ +60 kJ -140 kJ -40 kJ -80 kJ ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is Possible Impossible Possible, but with lot of sophistications Feasible Possible Impossible Possible, but with lot of sophistications Feasible ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Isochoric process is one in which No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place No mechanical work is done by the system All parameters remain constant Very little mechanical work is done by the system Free expansion takes place ANSWER DOWNLOAD EXAMIANS APP
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