Deepakkumar Yadav
Deepakkumar Yadav 
MCQ’s on Basic 5 Electrical Question 41 If one plate of a parallel plate capacitor is charged with positive charge the other plate is charged to?? (a) Negative (b) Positive (c) Not charged (d) Either Positive or Negative The correct answer is (a) Negative Question 42 When capacitors are connected in parallel … Read more
MCQ’s on Basic Electrical Question 31 Which lamp has the best Colour Rendering Index (CRI)? (a) LED (b) Fluorescent (c) Incandescent (d) High pressure sodium vapour The correct answer is (c) Incandescent Question 32 Current transformers usually have a secondary winding rating of (a) 5 A (b) 20 A (c) 50 … Read more
MCQ’s on Basic Electrical Question 21 If P is the power of a star-connected system then the power in the equivalent delta system is (a) P/3 (b) P (c) 3P (d) None of the above The correct answer is (c) 3P Question 22 Inductor does not allow sudden change of (a) … Read more
Classification of Boilers The boilers may be classified mainly as follows : (1) Depending upon the relative position of water and flue gases : (a) Smoke tube or fire tube boilers : In these type of boilers the hot gases or the flue gases from the furnace are passed through the tubes surrounded by the … Read more
Rankine Cycle with Reheat Figure A Figure B One way of improving the efficiency of the Rankine cycle is by reheating the steam in between the stages of expansion as shown in schematic, (T-S) and (h-S) diagrams in Figure (a), (b) and (c) respectively. In this cycle, the steam is extracted after expansion in high … Read more
Advantages of Rankine Cycle over Carnot Cycle Following are the advantages of Rankine cycle over Carnot cycle : A steam power plant on Carnot cycle cannot be practically built due to its inherent difficulties in carrying out the process of condensation and compression. While, a practical steam power plant on Rankine cycle can be easily … Read more
Present Status of Power Generation in India Economic growth in India depends on the power sector. The electric energy demands in the last two decades have increased at enormous space. In 1947, the total power generation was only 1360 MW. The present power generation status as planned is as follows : Table A: Indian generation … Read more
Present Installed Capacity and Sectorwise Allocation Total installed capacity in India is 1,57,000 MW from various energy sources. The sources wise contribution to electrical power generation is : Coal = 63% Oil = 4.6% Gas = 11.5% Nuclear = 2.8% Renewable 12.8% (Hydro = 11.9%, Wind 0.6% and Biomass = 0.3%)
Global Energy Consumption As against the available sources of energy, the energy consumption is showing a much faster growth rate. These are given in the succeeding sections sector wise. The global primary energy consumption at present was equivalent to 9741 million tonnes of oil equivalent (Mtoe). Table gives the figures of world consumption of energy … Read more
Comparison of Steam, Hydro-electric power plant, Gas turbine power plant and Diesel power plant Sr. No. Particulars Steam Power Plant Hydro-electric Power Plant Gas Turbine Power Plant Diesel Power Plant (a) (b) (c) (d) (e) (f) 1. Site Located near load centre having cheap and large land, water supply, transportation facilities etc. Located where large … Read more