Question 3400Deck General70% to pass
What could cause a significant difference between actual chain tension and the tension measured by the tensiometer?
AI Explanation
The correct answer is D) The chain contacting a chock or fairlead between the tensiometer and the lower swivel fairlead.
The tension measured by the tensiometer will only accurately reflect the actual chain tension if the chain runs freely between the tensiometer and the lower swivel fairlead. If the chain contacts any intermediate chocks, fairleads, or other obstructions, it can create additional friction that causes the tensiometer to display a lower tension than the actual tension on the chain. This is the key factor that can lead to a significant difference between the measured and actual chain tension.
The other options are incorrect because they would not directly impact the accuracy of the tensiometer reading in the way that chain contact with intermediate fittings would. Temperature differences and the type of anchor/mooring line or seafloor material may affect the overall tension, but would not necessarily create a discrepancy between the tensiometer reading and the actual tension.
Related Questions
#3398 Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit? #3399 The full period of motion of the DEEP DRILLER while tripping is 10 seconds and the maximum pitch angle as seen on the inclinometers is 8 degrees. From the standpoint of critical motion, the motion is _______________.#3401 The LWT anchor has two angular positions for the flukes. These are _______________.#3402 The full period of motion of the DEEP DRILLER while tripping is 10 seconds and the maximum pitch angle as seen on the inclinometer is 4 degrees. From the standpoint of critical motion, the motion is _______________.#3403 When piggybacking anchors, the distance between the primary anchor and the secondary anchor is determined by _______________.