A. Surf
B. Clapotis
C. Fetch
D. Swell

A. groynes
B. sea walls
C. revetments
D. moles

Consider the following statements in regard to Beaufort scale for wind speeds______________?

(i) The Beaufort number ranges from 1 to 12.
(ii) Higher Beaufort number indicates higher speed of wind,
(iii) Beaufort number for calm is smallest and for hurricane is highest

select the correct statments.

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

As per Stevenson’s empirical formula, the approximate value of the height of the wave in metres is given by__________________?

A. 0.34 VF
B. 0.5 VF
C. 1.5 VF
D. 3.4 VF
where F is the fetch in km

Consider the following statements?

(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

Which of the following conditions of loading imposes the greatest load on the foundation in case of dry docks?

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

If H is the height of the wave expected, then the height of the breakwater is generally taken as______________________?

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

If Hs is the significant wave height, then the average wave height and highest wave height respectively are given by_______________?

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

By increasing the rise of lockgates_______________?

(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

scroll to top