In impingement cooling _____
A. cooling is done by fins
B. by making air with high velocity to hit the blades
C. holes in the blades
D. none of the mentioned
Answer:A
In impingement cooling _____
A. cooling is done by fins B. by making air with high velocity to hit the blades C. holes in the blades D. none of the mentioned
Explanation: In impingement cooling method cooling is done my making air with high velocity to hit the blades.