Docks and Harbor Engineering
By increasing the rise of lock-gates,
(i) The length of the lock gate will increase
(ii) Transverse stress due to water pressure on the gate will increase
(iii) Compressive force on the gate will increase

(i) and (iii) are correct
(i) and (ii) are correct
Only (ii) is correct
Only (iii) is correct

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Docks and Harbor Engineering
Which of the following are repair docks ?

marine railways, dry docks, floating docks, wet docks
dry docks, wet docks, floating docks, lift docks
wet docks, floating docks, lift docks, marine railways
wet docks, lift docks, marine railways, dry docks

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