(b) (Choose only one of the options below) Per API RP 2A design guidelines, what is the duration of the wind gust to be used to calculate design wind speed for a component on the topsides of a platform whose maximum horizontal dimension is more than 164 ft (i) (ii) (ii) (iv) 3 seconds 5 seconds 15 seconds 20 seconds
(b) (Choose only one of the options below) Per API RP 2A design guidelines, what is the duration of the wind gust to be used to calculate design wind speed for a component on the topsides of a platform whose maximum horizontal dimension is more than 164 ft (i) (ii) (ii) (iv) 3 seconds 5 seconds 15 seconds 20 seconds
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![(a) (Choose only one of the options below) If the current statistical data is not
available, the wind generated current velocities (U) at the SWL may be
computed from the 1 hr mean wind speed (Uw) at a 10 m elevation as, U =
(i)
(ii)
(iii)
(iv)
0.051UW
0.150UW
0.015UW
0.0015UW
(b) (Choose only one of the options below) Per API RP 2A design guidelines, what
is the duration of the wind gust to be used to calculate design wind speed for
a component on the topsides of a platform whose maximum horizontal
dimension is more than 164 ft
(i)
(ii)
(iii)
(iv)
3 seconds
5 seconds
15 seconds
20 seconds
(c) (Choose only one of the options below) Per API RP 2A design guidelines, for
the global environmental load analysis of a steel jacket structure, the
recommended value of drag coefficient Ca to be used in Morison's equation for
a hydro dynamically rough unshielded and slender tubular member is
(i) 1.05
(ii) 1.50
(iii) 1.75](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fad10dbe2-69d5-44c1-bbde-1a4f79a6621c%2Fc56de85a-f583-4152-81fe-809603fea6c2%2F9p0uoh5_processed.png&w=3840&q=75)
Transcribed Image Text:(a) (Choose only one of the options below) If the current statistical data is not
available, the wind generated current velocities (U) at the SWL may be
computed from the 1 hr mean wind speed (Uw) at a 10 m elevation as, U =
(i)
(ii)
(iii)
(iv)
0.051UW
0.150UW
0.015UW
0.0015UW
(b) (Choose only one of the options below) Per API RP 2A design guidelines, what
is the duration of the wind gust to be used to calculate design wind speed for
a component on the topsides of a platform whose maximum horizontal
dimension is more than 164 ft
(i)
(ii)
(iii)
(iv)
3 seconds
5 seconds
15 seconds
20 seconds
(c) (Choose only one of the options below) Per API RP 2A design guidelines, for
the global environmental load analysis of a steel jacket structure, the
recommended value of drag coefficient Ca to be used in Morison's equation for
a hydro dynamically rough unshielded and slender tubular member is
(i) 1.05
(ii) 1.50
(iii) 1.75
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