STUPIDSID
Write short notes on any four of the following
1 (a)
Different types of traffic methods.
10 M
1 (b)
Water hammering effects and its remedies
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1 (c)
Mechanical dust collectors
10 M
1 (d)
Advantages of Fluidized Bed Combustion
10 M
1 (e)
Classification of nuclear power plant
10 M
2 (a)
What are the parameters to be considered in choosing a site for a coal fired thermal power plant
10 M
2 (b)
Briefly discuss current energy scenario in Maharashtra. Answer should highlight power scenario in Mumbai.
10 M
3 (a)
Describe the various methods of improving; the performance of a gas turbine power plant.
10 M
3 (b)
From the following estimate the generating cost and also find if any reserve is available
Annual load factor - 60%
Capacity factor - 50% Installed capacity of the plant ~ 140 MW Capital cost of the plant - Rs. 200 × 106 Annual cost of coal, oil and salaries Rs. 20× 106
Rate of interest - 5%of capital
Rate of depreciation - 5% of capital.
Annual load factor - 60%
Capacity factor - 50% Installed capacity of the plant ~ 140 MW Capital cost of the plant - Rs. 200 × 106 Annual cost of coal, oil and salaries Rs. 20× 106
Rate of interest - 5%of capital
Rate of depreciation - 5% of capital.
10 M
4 (a) (i)
Explain in brief social and environmental effects of a hydro power plant
5 M
4 (a) (ii)
Briefly explain different sub systems in D. G. Plant.
5 M
5 (a)
A 2.4 hrs load duration curve on a small power plant is a straight line between 6 MW 10 and 2 MW respectively. The plant capacity is 7 MW. Find the plant load factor and plant capacity factor. If the power charges are Fis. 2.5 per kWh, find the charge to be paid per day.
10 M
5 (b)
What are the different ways of ash disposal? Describe any one method in detail.
10 M
6 (a)
State advantages of gas turbine plant over Diesel and thermal power plant
8 M
6 (b)
The run off data of a river for 12 Months at a particular site is given below:
Draw : (i) Hydrograph (ii) Flow duration curve (iii) mass curve. lf available water head at the site is 90 m, find power generated. Take Turbine efficiency 90%, generator efficiency 95% and 30 days in a month.
| Month | Discharge millions of m3 per month | Month | Discharge millions of m3 per month |
| Jan | 1500 | July | 3000 |
| Feb | 1200 | Aug | 3600 |
| March | 900 | Sept | 3000 |
| April | 600 | Oct | 2400 |
| May | 300 | Nov | 2100 |
| June | 2100 | Dec | 1800 |
Draw : (i) Hydrograph (ii) Flow duration curve (iii) mass curve. lf available water head at the site is 90 m, find power generated. Take Turbine efficiency 90%, generator efficiency 95% and 30 days in a month.
12 M
7 (a)
Explain CANDU type nuclear reactor with neat sketch mentioning type of fuel and moderator.
10 M
7 (b)
A residential consumer has the following connected load : Four tube lights of 40W
each. Three Fans of 60 W each, Two night lamps of 15 W each and television of 100 W. Use of electricity during a day is as follows
12 midnight to 6 am. :2 Fans + 2 Night lamps
6 am. to 9 am. : 1 Fan + 1 Tube light
9 am. to 3 p. m. : Nil
3 pm. to 6 pm. : 3 Fans 7: Television
6 pin. to 9 pm. : 2 Fans + 4 Tube lights
9 pm. to 12 midnight 3 Fans + 2 Tube lights + Television.
Find : (a) Connects-:5 load (b) maximum demand (0) Demand factor.
12 midnight to 6 am. :2 Fans + 2 Night lamps
6 am. to 9 am. : 1 Fan + 1 Tube light
9 am. to 3 p. m. : Nil
3 pm. to 6 pm. : 3 Fans 7: Television
6 pin. to 9 pm. : 2 Fans + 4 Tube lights
9 pm. to 12 midnight 3 Fans + 2 Tube lights + Television.
Find : (a) Connects-:5 load (b) maximum demand (0) Demand factor.
10 M
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