Q. No. 1 - 5 Carry One Mark Each The dawn of the 21st century witnessed the melting glaciers oscillating between giving too much and too little to billions of people who depend on them for fresh water. The UN climate report estimates that without deep cuts to ma-made emissions, at least 30% of the northern hemisphere’s surface permafrost could melt by the end of the century. Given this situation of imminent global exodus of billions of people displaced by rising seas, nation-states need to ... UPSC ESE 2020 Prelims Answer Key - Check UPSC ESE 2020 Prelims answer key with detailed solutions by GATEFORUM. Answer: (D) 19. The compressor of a gas turbine plant, operating on an ideal intercooled Brayton cycle, accomplishes an overall compression ratio of 6 in a two-stage compression process. Intercooling is used to cool the air coming out from the first state to the inlet temperature of the first stage, before its entry to the second stage. Air enters the compressor at 300K and 100 kPa. If the properties of gas are constant, the intercooling pressure for minimum compressor work is ___________kPa ... The distance between Delhi and Agra is 233km. A car P started travelling from Delhi to Agra and another car Q started from Agra to Delhi along the same road 1 hour after the car P started. The two cars crossed each other 75 minutes after the car Q started. Both cars were travelling at constant speed The speed of car P was 10km/hr more than the speed of car Q. How many kilometers the car Q had travelled when the cars crossed each other?
