2014 WINTER
Differentiate between L-MPFI system and D-MPFI system.....
Define cut off ratio. Express it in terms of compression ratio and expansion ratio.
State the functions of following components used in battery ignition system.........
Function of Components used in battery ignition system
Draw P-V and T-S diagram for carnot cycle. Name the processes involved in it..............
PV and TS diagram of Carnot cycle
Draw super imposed PV and TS diagrams of otto cycle..........
Same compression ratio and same heat rejected heat rejection
ii) For same maximum pressure and temperature and heat rejection
List any four applications of refrigeration.
i. To produce Ice in ICE Plant ii. To Store Vegetable or Domestic materials in Domestic Refrigerator. iii. To Transport Fish, Fruits etc. in Cold Storage. iv. To Cool Water in Water cooler. v. Processing of food products. vi. Processing of textiles, printing work, photographic materials etc. vii. Storage of ice, blood and medicines etc. viii. Preservation of photographic films , archeological documents etc
State merits/demerits of gas turbine over T.C. engine with respect to following parameters......
The results of exhaust gas analysis.......
During a trial on 4-stroke gas engine following observations were recorded.........
Indicated power – IP = PmepLAN Where Pmep – 6 bar – mean effective pressure - 6 x 100 kN/m2 L – Length of stroke in m
Assuming CV of gas used as 21,500 kj/m3 at NTP instead of 21,500 kJ/kg at NTH Heat supplied by fuel in kJ/sec. = 0.00300 x 21,500