Engineering Thermodynamics Brayton cycle consists' of following four processes Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic Two isentropic and two constant pressures Two isentropic and two constant volumes Two isentropic, one constant volume and one constant pressure Two isothermal and two isentropic ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following cycles has maximum efficiency? Carnot Rankine Stirling Brayton Carnot Rankine Stirling Brayton ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One watt is equal to 1 Nm/hr 1 kNm/hr 1 Nm/s 1 N/m 1 Nm/hr 1 kNm/hr 1 Nm/s 1 N/m ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 1400 K 1200 K 800 K 1000 K 1400 K 1200 K 800 K 1000 K 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 A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is 30 kJ 54 kJ 114 kJ 84 kJ 30 kJ 54 kJ 114 kJ 84 kJ ANSWER DOWNLOAD EXAMIANS APP