A large hydroelectric power station has a head of 324 m and an average flow of 1370 m3/s. The reservoir has an area of 6400 km2. The available hydroelectric power is
Question 2
The inside wall of fluorescent tube is coated with
Question 3
In inert gas metal arc welding,
Question 4
In salt bath heating, the current can flow only through the
Question 5
Reduction factor of a source of light is the ratio of its
Question 6
According to the first law of illumination, the illumination of a surface due to a source of light is
Question 7
Nitrogen is added with the argon in an incandescent lamp to
Question 8
The example of plastic welding is
Question 9
In urban or city train service, the
Question 10
In direct core type induction furnaces, the leakage reactance of the magnetic circuit is
