Draw theoretical and actual P-V diagrams for S.I. engines and explain briefly...
State the role of following lubricant additives
Role of following lubricant additives 1. Zinc ditinophosphate: - Zinc ditinophosphate serves as an anti – oxidant and anticorrosive additive. 2. Fatty acids: - This type of additives prevents rusting of ferrous engine parts during and form acidic moisture accumulation during cold engine operation. 3. Organic Acids: - This type of additives improves the detergent action of lubricating oil. 4. Ester: - To lower the pour point of lubricating oil. 5. Silicon polymers: - This additive serves as Antifoam Agent. 6.
Various efficiencies of 4-stroke petrol engine run at full throttle over..........
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......
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