Impulse blades are in the shape of __________
A. Rain drop
B. Circular
C. Half moon
D. None of the mentioned
Answer:A
Impulse blades are in the shape of __________
A. Rain drop B. Circular C. Half moon D. None of the mentioned
Explanation: Blades used in impulse turbines are half moon shaped because as steam enters the moving blade it pushes the blade forward.