Which of the following statements are correct? (1) Impulse turbine rotor blades are thick at the Centre. (2) Rateau turbine is more efficient than Curtis turbine. (3) Blade velocity coefficient for an impulse turbine is of the order of 60%. Select the correct answer using the codes given below:

Which of the following statements are correct? (1) Impulse turbine rot

1.	Which of the following statements are correct? (1) Impulse turbine rotor blades are thick at the Centre. (2) Rateau turbine is more efficient than Curtis turbine. (3) Blade velocity coefficient for an impulse turbine is of the order of 60%. Select the correct answer using the codes given below:
A.	1, 2 and 3
B.	1 and 2
C.	Argon arc welding
D.	2 and 3
Answer» C. Argon arc welding

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Which of the following statements are correct? (1) Impulse turbine rotor blades are thick at the Centre. (2) Rateau turbine is more efficient than Curtis turbine. (3) Blade velocity coefficient for an impulse turbine is of the order of 60%. Select the correct answer using the codes given below:

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