Category: Dock and Harbor Engineering

(i) Fender is the cushion provided on the face of the jetty for ships to come in contact,
(ii) Slip is the space of water area between two adjacent piers where ships are berthed,
(iii) Pier head is a structure constructed near the tip of a break water near the harbour entrance.
select the correct statements?

A. (i) and (ii) are correct
B. (ii) and (iii) are correct
C. (i) and (iii) are correct
D. (i), (ii) and (iii) are correct

A. when the dock is empty
B. when the dock is empty with the ship of maximum tonnage
C. when the dock is full of water
D. when the dock is dry and is under construction

A. 1.2 H to 1.25 H above the datum
B. 1.2 H to 1.25 H above the low water level
C. 1.2 H to 1.25 H above the high water level
D. 1.2 H to 1.25 H above the mean sea level

A. 0.6 Hs and 1.67 Hs
B. 0.6 Hs and 1.87 Hs
C. 1.27 Hs and 1.87 Hs
D. 1.27 Hs and 1.67 Hs

A. 2.073 m
B. 8.169 m
C. 9.144 m
D. 6.8 m

(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
select the correct statements?

A. (i) and (ii) are correct
B. (i) and (iii) are correct
C. Only (ii) is correct
D. Only (iii) is correct

A. Manoeuvring lane + 2 x Bank clearance lane
B. 2 x Manoeuvring lane + 2 x Bank clearance lane
C. 2 x Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane
D. Manoeuvring lane + 2 x Bank clearance lane + ship clearance lane

A. sea walls, bulk heads and groynes
B. sea walls, bulk heads and revetments
C. sea walls, revetments and groynes
D. bulk heads, revetments and groynes

A. 90° with the face of the dock
B. 45° with the face of the dock
C. 30° with the face of the dock
D. 10° with the face of the dock

A. The progress of work in low level method of mound construction is very slow.
B. Barge method of mound construction is economical.
C. In low level method of mound construction, the area of working is limited.
D. In staging method of mound cons-truction, the work is not interrupted even during stormy weather