Q1. choose the correct answer 1. The maximum break down strength of air at 76 cm mercury pressure and temperature of 25 °C is..... a. 30 V/cm b. 30 kV/cm c. 300 kV/cm d. Non of them 2. The installed capacity of a power station must be not.............. than the maximum demand. a. Less b. equal c. more 3. Area under the daily load curve divided by 24 hour gives daily a. average load in kW. 4. In thermal power station, 5 kwh need to burn fuel has a. 860 k.calorific. b. 1500 k.calorific 5. Francis and Kaplan turbines are used for a. medium and high d. Non of them b. maximum demand in kW. c. units generated in kwh. d. Non of them c. 4300 k.calorific d. Non of them. heads. b. medium and low c. medium only. d. High only b. Vscise Vmpimp c. Vmpimp d. Vscisc b. A V² 2p c. PA V³ d. PA V³ 6. For photo voltage cell, Fill factor is a. Υπιρίπιρ Vscisc 7. Power available from wind mill is a. PA V²