Pass Benchmark: 70% (21/30) • Standard: USCG NMC / 46 CFR

USCG Deck General (Set 64)

30:00

|

Question 1 of 30

Question Navigator

Correct Incorrect Pending Starred

Question 1 of 30

You want to double the strength of a mooring line by using two lines. To accomplish this, the second line must __________.

Browse Questions in Set 64

30 MCQs

#1 You want to double the strength of a mooring line by using two lines. To accomplish this, the second line must __________. #2 A Chinese stopper (two lines) will hold best when you __________. #3 Your vessel is to dock bow in at a pier without the assistance of tugboats. Which line will be the most useful when maneuvering the vessel alongside the pier? #4 Nylon line is better suited than manila for __________. #5 The line with the most stretch is __________. #6 What is the mechanical advantage of a threefold purchase when rove to disadvantage and neglecting friction? #7 Disregarding friction, what is the mechanical advantage of a twofold purchase when rove to disadvantage? #8 You are using tackle number 7 in illustration D029DG below to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #9 You are using tackle number 8 in illustration D029DG below to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #10 You are using tackle number 12 shown in illustration D029DG below to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #11 You are using tackle number 2 as shown in illustration D029DG below to lift a weight of 100 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #12 You are using tackle number 3 as shown in illustration D029DG below to lift a weight of 120 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #13 You are using tackle number 5 as shown in illustration D029DG below to lift a weight of 300 lbs. If you include 10 percent of the weight for each sheave for friction, what is the pull on the hauling part required to lift the weight? #14 You are using tackle number 4 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 10. What is the mechanical advantage of this rig? #15 You are using tackle number 4 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 11. What is the mechanical advantage of this rig? #16 You are using tackle number 5 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook of tackle number 9. What is the mechanical advantage of this rig? #17 You are using tackle number 10 as shown in illustration D029DG below to lift a weight. The hauling part of this tackle is bent to the weight hook (w) of tackle number 4. What is the mechanical advantage of this rig? #18 What is the name of tackle number 1 as shown in illustration D029DG below? #19 What is the name of tackle number 2 as shown in illustration D029DG below? #20 What is the name of tackle number 11 as shown in illustration D029DG below? #21 What is the name of tackle number 12 as shown in illustration D029DG below? #22 What is the name of tackle number 3 as shown in illustration D029DG below? #23 What is the name of tackle number 4 as shown in illustration D029DG below? #24 What is the name of tackle number 5 as shown in illustration D029DG below? #25 What is the name of tackle number 6 as shown in illustration D029DG below? #26 What is the name of tackle number 7 as shown in illustration D029DG below? #27 What is the name of tackle number 8 as shown in illustration D029DG below? #28 What is the mechanical advantage of tackle number 10 as shown in illustration D029DG below? #29 What is the mechanical advantage, neglecting friction, of tackle number 4 as shown in illustration D029DG below? #30 What is the mechanical advantage, neglecting friction, of tackle number 5 as shown in illustration D029DG below?

Question Discussion & Notes

0

Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.

Loading mariner discussions...