4-22.When selecting a block for use withfiber line, you should normallyselect a block of what approximatelength?1.10 times the diameter of theline2.2 times the circumference ofthe line3.3 times the circumference ofthe line4.4 times the diameter of theline4-23.In the absence of a referencetable, a rule of thumb fordetermining the diameter of a wirerope sheave is that the sheaveshould have what approximatediameter?1.10 times the diameter of thewire2.20 times the diameter of thewire3.3 times the circumference ofthe wire4.4 times the circumference ofthe wire4-24.What type of block can be installedat any point on a wire rope orfiber line without having to threadthe rope or line through the block?1.Swivel fairlead2.Swivel shackle3.Snatch4. Quick latch4-25.When a snatch block is used in arigging system, it provides whatmaximum number of mechanicaladvantages, if any?1. One2. Two3.Three4.None4-26.4-27.4-28.4-29.4-30.4-31.What is the simplest method ofdetermining the mechanicaladvantage of any tackle?1.Count the sheaves at therunning block2.Determine the diameter of thesheaves3. Count the standing parts at thestationary block4.Count the number of parts ofthe fall at the running blockHooks and shackles should beinspected at what minimum interval?1.Daily2. Twice a week3. Weekly4.MonthlyWhen hoisting, what number ofsignalmen should be assigned?1.One2. Two3.Three4.FourWhen necessary the EMERGENCY STOPsignal should be given by which ofthe following individuals?1.The signalman only2.The crew leader only3.The project safety officer only4.Anyone who sees an emergencyWhat number of guy lines arerequired to operate shear legs?1. One2. Two3. Three4.FourWhat advantage does a tripod haveover shear legs?1.It is more stable only2.It requires no guy lines only3.It has greater load capacityonly4.All of the above21

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