Which one of the following systems of pre-stressing is suitable for pr

1.	Which one of the following systems of pre-stressing is suitable for pre-tensioned members ?
A.	Freyssinet system
B.	Magnel-Blaton system
C.	Hoyer system
D.	Gifford-Udall system
Answer» D. Gifford-Udall system

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Which one of the following systems of pre-stressing is suitable for pre-tensioned members ?

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