Most commonly used material for insulator is All of these mica glass porcelain TRUE ANSWER : ? YOUR ANSWER : ?
Where is the draft tube of a hydroelectric plant that is an airtight pipe located In between the runner exhaust and the tail race. Near the surge tank. At the beginning of the penstock. In between the penstock and runner. TRUE ANSWER : ? YOUR ANSWER : ?
In thermal power plants the size of coal after crushing 300 mm. 40 mm. 200 - 205 mm. 20 - 25 mm. TRUE ANSWER : ? YOUR ANSWER : ?
Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 20 21 10 13 TRUE ANSWER : ? YOUR ANSWER : ?
Skin effective is more in case of None of these power lines same in both cases communication lines TRUE ANSWER : ? YOUR ANSWER : ?
Corona is accompanied by violet visible light hissing sound All of these power loss and interference TRUE ANSWER : ? YOUR ANSWER : ?
The flow duration curve at a given head of a hydroelectric plant is used to determine total power available at the site. diversity factor for the plant. load factory at the plant. total units of energy available. TRUE ANSWER : ? YOUR ANSWER : ?
A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 8.06 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 4.65 Ω / phase. TRUE ANSWER : ? YOUR ANSWER : ?
The function of draft tube is reaction turbine is to reduce water hammer. increase flow rate of water. all of above. convert kinetic energy of water. TRUE ANSWER : ? YOUR ANSWER : ?