JNTUK 3-2 Green Engineering Systems online bits

JNTUK B-tech 3-2 Green Engineering Systems online bits

Jntuk b-tech 3-2 green engineering systems online bits, this subject is an elective subject in b-tech third year second semester btech mechanical students are struggle for original online bits there no any proper online bits post about this subject here in this post providing model online bits for referance purpose only. providing two mids online bits, jntuk 3-2 green engineering systems first mid online bits, jntuk 3-2 green engineering systems second mid online bits

GREEN ENGINEERING SYSTEMS ONLINE BITS MID-1 JNTUK R16

1.  The zone of likely geothermal sites corresponds roughly to the regions of seismic and volcanic activities
2. In solar cooling system direct sunlight entering can be reduced by sun breakers, shading windows 
3. Which type of axis does a Savonius Rotor has? Vertical axis
4. Which one of the following statement is not true for a micro hydro scheme? A complicated and sophisticated control scheme is used
5. The instrument which measures beam radiation is Pyrheliometer
6. Global Cold wind generated from Oceans moves to Plain areas
7. The ratio of the beam radiation flux falling on a tilted surface to that falling on a
8. horizontal surface is called the Tilt factor 
9. Absorption of Solar radiation at earth’s surface occurs due to presence of Ozone, Carbon dioxide, Water vapour
10. The angle made by the plane surface with the horizontal is known as Slope.
11. The open cycle OTEC produce water as Desalinated
12. Which material should be added in the feed of a biogas plant to increase nitrogen content chopped leguminous plants
13. Out of energy, economy and environment all the three are interrelated
14. Wind energy is harnessed as which energy with the help of windmill or turbine mechanical
15. A cylindrical parabolic concentrator requires 1-axis tracking
16. Favourable winds for small-scale applications exists on 75% of the earth’s surface
17.  A photovoltaic cell is basically A current source, controlled by flux of radiation
18. Flash geothermal power plant turns the high pressure hot water into low pressure cold water
19. The tidal range As manum in the middle of the lunar month and burn by the end of the month
20. The percentage of the incoming radiation reflected back to space by the earth is 30%
21. The main concern in a solar pond is Maintenance of salt gradient
22. The hour angle is equivalent to 15 per hour
23. The instrument which measure beam radiation is Pyrheliometer
24. How many types of supporting tower for wind mills are generally used? 4
25. To make transport fuel the bio ethanol is blended Petrol
26. The energy flux in waves is more than that in wind energy
27. The concentration-type solar collector increases the density of solar radiation before absorbing it
28. Out of energy, economy and environment all the three are interrelated
29. Wind energy is harnessed as which energy with the help of windmill or turbine mechanical
30. How is the action of yaw controlled in small turbines Tail vane
31. The main disadvantage of solar cooker is no provision of storing thermal energy
32. Dry steam geothermal energy generator takes steam out of Fractures
33. Which organic material is prefered for latent heat storage Paraffin wax
34. The aerobic digestion of sewage is used to produce Biofuels
35. In a central-tower-type solar collector, the heliostats have 2-axes tracking facility
36. Maximum efficiency is obtained in Parabolic dish collector
37. Open cycle OTEC uses which water to make direct electricity Warm
38. Which material should be added in the feed of a biogas plant to increase nitrogen chopped leguminous plants
39. Wave energy is basically harnessed in the form of mechanical energy
40. Which of the following is not used as biomass iron 
41. A wind turbine etracts maximum power from wind, when the downstream windspeed reduces to one-third that of upstream wind
42. In solar cooling system conduction of heat through building elements can be reduced by thermal insulation
43. Photovoltaic cell or solar cell converts Electromagnetic radiation directly into electricity
44. Absorption of Solar radiation at earth’s surface occur due to presence of Carbon dioxide, Ozone, Water vapours
45. A solar thermal water pump Uses solar thermal energy for production of power to drive the pump
46. The optimum solid concentration in biogas is 7-9%
47. How much must be the tidal range over barrage to be feasible? 7 meters
48. Which parameter is used as an index for the standard of living of the people of a country? Per capita energy consumption
49. The amount of energy available in the wind at any instant is proportional to the wind speed of Cube power 
50. The instrument which measure beam radiation is Pyrheliometer
51. How is the action of yaw controlled in small turbines Tail vane
52. The charge carriers available in a semiconductor material has free electrons and holes
53. What form of force acts on the blades of Darrieus machine? Pure tension
54. Which one of the following statements is not true for a geothermal energy system     it has no inherent storage feature, so extra storage facility is required
55. The hot water from the ground is used to Turn turbines
56. The energy flux in waves is More than that in wind energy
57. Solar ponds are useful for Collecting and storing solar energy
58. For satellites the source of energy is Solar cell 
59. Flash geothermal power plant turns the high pressure hot water into low pressure cool water
60. The country having maximum (geothermal) installed capacity for electric as well as thermal power is USA
61. Closed cycle system uses fluid having low boiling point

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GREEN ENGINEERING SYSTEMS ONLINE BITS MID-2 JNTUK R16