Power Plant Engineering

41. India's first nuclear power plant was installed at

1. Tarapore
2. Kota
3. Kalpakkam
4. none of the above

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42. Load carrying capacity of belt conveyor is about

1. 20 to 40 tonnes/hr
2. 50 to 100 tonnes/hr
3. 100 to 150 tonnes/hr
4. 150 to 200 tonnes/hr

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43. Load center in a power station is

1. center of coal fields
2. center of maximum load of equipments
3. center of gravity of electrical system
4. none

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44. Mercury is a choice with steam in binary vapour cycle because it has

1. higher critical temperature and pressure
2. higher saturation temperature than other fluids
3. relatively low vapourisation pressure
4. all above

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45. Method which is commonly applied for unloading the coal for small power plant is

1. lift trucks
2. coal accelerators
3. tower cranes
4. belt conveyor

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46. Parson's turbine is

1. pressure compounded steam turbine
2. simple single wheel, impulse steam turbine
3. simple single wheel reaction steam turbine
4. multi wheel reaction steam turbine

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47. Pipes carrying steam are generally made up of

1. steel
2. cast iron
3. copper
4. aluminium

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48. Primary air is that air which is used to

1. reduce the flame length
2. increase the flame length
3. transport and dry the coal
4. provide air around burners for get¬ting optimum combustion

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49. Rankine cycle efficiency of a good steam power plant may be in the range of

1. 15 to 20 per cent
2. 35 to 45 per cent
3. 70 to 80 per cent
4. 90 to 95 per ceut

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50. Rankine cycle operating on low pressure limit of p1 an 1 high pressure limit of p2

1. has higher the renal efficiency than the carnot cycle operating between same pressure limits
2. has lower the”nal efficiency than carnot cycle operating between same pressure limit?
3. has same thermal efficiency as carnot cycle operating between same pressure limits
4. may be more or less depending upon the magnitude of p1 and p2

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