Power Plant Guruji

 1. What is the function of baffle plate in parallel flow type low level jet condenser? a) It keeps cooling water and exhaust steam from mixing b) It ensures proper mixing of cooling water and exhaust steam c) It collects condensate over it for extraction d) It helps condenser wall withstand the inside pressure Ans. b 2. Where is condensate extraction pump provided in case of low level parallel flow type jet condenser? a) At the bottom of the condenser b) At the top of the condenser c) Near the baffle plate d) Near the steam entry point Ans. a 3. Which of the following statements regarding low level counter flow type jet condensers is FALSE? a) Cooling water is broken into jets by perforated trays b) Condensate is collected at the bottom c) Steam is discharged near the bottom and moves upwards d) The air suction pump is placed near the bottom of the condenser Ans. d 4. Which of the following condensers is also called barometric condenser? a) Low level parallel flow type jet condens...

 1.Junction valve is used to ? a) Regulate flow of steam b) Regulate water supply c) Put off fire in the furnace d) Indicate water level in the boiler Ans. a 2. If the value of poisson's ratio is zero, then it means that ? a) The material is rigid b) The material is perfectly plastic c) There is no longitudinal strain in the material d) None of these Ans. a 3. Maximum heat is lost in the boiler due to ? a) Unburnt carbon  b) Flue gases c) Incomplete combustion d) Moisture in fuel Ans. b 4. Latent heat of vaporization at critical point is ? a) Less than zero b) Greater than zero c) Equal to zero d) None of the above Ans. c 5. The specific volume of water when heated at 0 deg. C is ? a) First increase and then decrease b) First decrease and then increase c) Increase steadily d) Decrease steadily Ans. d 6. The draught produced by steel chimney as compared to that produced by brick chimney for the same height ? a) Less b) More c) Same d) Can't determine Ans. b 7. For maximum disch...