Dil Ki Baat (दिल की बात)

Please comment your answer, corrections and other questions of BARC-2015 exam 1- K type thermocouple is made up of ?       (ans: K-type is Chromel - Alumel & E type is Chromel-Constantan) 2- which controller gives maximum offset?       (ans: P controller) 3- which controller has maximum gain ?       (ans: PID controller) 4- what will be slope of q line when feed is 40% vapour ?      (ans: -1.5) 5- what will be mole fraction of benzene in vapour phase when vapour pressure of benzene is 3 atm and toluene is 4/3 atm, and mole fraction of benzene in liquid phase is .4 ?      (ans: 0.6) 6- which one of the following shows ultimate analysis ? 7- in which heat transfer coefficient will be high ?      (case 1- cooling from 80 to 30 centigrade. case 2- heating from 30 to 80 centigrade.) 8- Biot no is defined as ? 9- Nusselt no. is defined as ? 1...