Which of the following laboratory of DRDO developed single crystal blades technology?
A. Defence Research & Development Laboratory
B. Defence Metallurgical Research Laboratory
C. Defence Food Research Laboratory
D. Defence Electronics Application Laboratory
Explanation:
Defence Research and Development Organisation (DRDO) has developed single crystal blades technology and supplied 60 of these blades to Hindustan Aeronautics Limited (HAL) as part of their indigenous helicopter development program for helicopter engine application. It is part of a program taken up by Defence Metallurgical Research Laboratory (DMRL), a premium laboratory of DRDO, to develop five sets (300 in number) of single crystal high pressure turbine (HPT) blades using a nickel-based super alloy.