Download MLGW LINEMAN APPRENTICE FIRST YEAR BOOK 1 EXAM QUESTIONS AND ANSWERS and more Exams Advanced Education in PDF only on Docsity!
MLGW LINEMAN APPRENTICE FIRST
YEAR BOOK 1 EXAM
How many years will you serve as an apprentice? - Correct Answers - 4 years _________hours of on-the-job-training are required to complete your apprenticeship. - Correct Answers - 7600 Why is the apprenticeship committee referred to as the " joint" committee? - Correct Answers - It is a committee made up of union and management people. What do the initials J.A.T.C. mean? - Correct Answers - Joint Apprenticeship and Training Committee If you do not perform satisfactorily both on the job and in your book work, you will lose the opportunity to work as an apprentice and to become a journeyman? T or F - Correct Answers - True A workbook that is one day late is not dealt with as severely as one that is a week late. T or F - Correct Answers - False What is the penalty for failing two tests in an apprenticeship? - Correct Answers - Held back for 60 days What is the penalty for the second late workbook in an apprenticeship year? - Correct Answers - He will be set back 30 days Before you receive your step increases, all tests and book work must be up to date. T or F - Correct Answers - True If you fail three tests in any apprenticeship year, you will be brought before the executive board for final disposition. T or F - Correct Answers - True You will be given time at work to complete your workbooks. T or F - Correct Answers - False The apprenticeship top written test may be taken after _____ days have been completed in the apprentice's four level. - Correct Answers - 90 The ______ ______ test may be taken within the final 90 days of the apprenticeship program. - Correct Answers - Top performance
It is not always necessary to visually check the snap on the belt to make sure it has engaged the "D" ring if you hear the snap "click". T or F - Correct Answers - False Safety straps are adjustable in length due to the size of the pole and ________ _____.
- Correct Answers - Workman Preference Which is more important, the "D" size or waist size when fitting a belt? Why? - Correct Answers - "D" size is more important because the waist is adjustable Climbers are available in adjustable lengths from 10 inches to 25 inches in 1/2 inch steps. T or F - Correct Answers - False Gloves should always be worn while climbing, even if you must use your rubber gloves. T or F - Correct Answers - True While ascending a pole, if it is convenient, you should use your arms to pull as you climb. T or F - Correct Answers - False In decent of a pole the hands are lowered last. T or F - Correct Answers - False Placing your gaff in cracks or woodpecker holes while climbing will allow them to penetrate deeper, giving the climber better balance. T or F - Correct Answers - False What is the minimum distance that should be maintained between the "D" ring and the tool pockets. - Correct Answers - 4 inches minimum You should always ascend or descend on the _______ side of a leaning, raked or bent pole. - Correct Answers - High Why should two climbers never ascend or descend a pole at the dance time? - Correct Answers - Movement of one climber could make another fall. Why would it be dangerous to climb if the keeper snap or hook is disorted or loose on your safety scrap? - Correct Answers - Could cause a change in tension of the spring and would not be in firm contact and be securely seated In order to dry the leather strap after cleaning, any source of heat except a direct flame can be used. T or F - Correct Answers - False Is it permissible to place the safety strap around a pole, above the top crossarm? Explain why. - Correct Answers - No, only if you place a bolt through gain hole. Name five (5) causes of climber cutouts - Correct Answers - 1. Condition of poles
- Conditions on poles
- Clothing
Moderate sunburn would be listed as a ________ degree burn. - Correct Answers - First An ambulance driver uses a " signal 91" to communicate with MLGW's radio dispatcher. T or F - Correct Answers - False Generating station produce __________ current. (Alternating or Direct). - Correct Answers - Alternating The purpose of a generating station is to convert the energy of coal, gas, oil, waterfall or the atom to mechanical power. T or F - Correct Answers - False The frequency of alternating current generated in this country is usually ______ cycles per second - Correct Answers - 60 Hz When is the purpose of the static wire or ground wire on a transmission circuit. - Correct Answers - To shield the line conductors from lightning. Switches, protective equipment, primary circuits generating plants, secondaries, and services are all listed is parts of a distribution system. T or F - Correct Answers - False What is the function of a distribution transformer? - Correct Answers - Reduce voltage from primary to secondary Why are most circuits feeding out of a distribution substation underground? - Correct Answers - Eliminate multiple circuit lines and improve appearance Why are some transmissions line installed underground? - Correct Answers - In places where it is not permissible to build overhead lines Most commercial and industrial customers require _______ ______ service. - Correct Answers - Three phase. What secondary voltages are normally used in a network system? - Correct Answers - 120/208 and 277/ What is a network protector, and what does it do? - Correct Answers - It is a low-voltage circuit breaker and fuse assembly. It isolates the low-voltage Network from a transformer or primary cable fault What does ACSR stand for? - Correct Answers - Aluminum conductor steel reinforced Lightening arresters are designed to ________ electrical surges on circuits, protecting the insulators and equipment from __________ voltages. - Correct Answers - Bypass, over
Name the seven most used tools in your body built. - Correct Answers - Channel lock pliers, 9" lineman pliers, 8" screwdriver, skinny knife, 2lb hammer, 6ft folding ruler, in line ratchet wrench For what purpose are channel lock pliers most used? - Correct Answers - As a wrench for turning and holding tap connectors and other " light" work. How are adjustable wrenches most abused? - Correct Answers - Being used as a hammer. Is it advisable to use pipe extensions or wrench handles to increase leverage? - Correct Answers - No, only rated for certain amount of leverage Name three defects to look for in adjustable wrenches. - Correct Answers - Bent, cracks, impossible to adjust. For what purposes are lineman's plier's designed? - Correct Answers - Servicing, cinching, cutting, and handling wire The electrons are three times larger in diameter that the protons and approximately 1,840 times heavier. T or F - Correct Answers - False Electrons are negatively charged particles. T or F - Correct Answers - True If an atom contains less electrons than protons, it will have a positive charge. If it has more electrons than protons, it will have a negative.Charged atoms are called __________. - Correct Answers - Ions How does heat damage pliers? - Correct Answers - Create a weak spot Insulated grips on pliers eliminate the need for rubber protective equipment. T or F - Correct Answers - False Should screwdrivers be used as chisels? Why? - Correct Answers - No, it may bend the shank or break the tip. Should screwdrivers be carried in your pocket? Why? - Correct Answers - No , the point could stab you or you could fall on it What is a skinning knife - Correct Answers - Knife designed for removing insulation from wire How should skinning knives be stored when not in use? - Correct Answers - In a compartment separate from leather or rubber goods
No. of legs = 2 - Correct Answers - F = 2. 2 X 2000 โโโโโ= 2000lbs 2 What are the two most versatile knots in your job? - Correct Answers - Square knot and bowline A square knot reduces the strength of rope by ______%. - Correct Answers - 50 A rope with a bowline knot retains _______% of its strength. - Correct Answers - 50 - 60% What important factor must be remembered when using polypropylene rope on a capstan? - Correct Answers - It is weakened when it generates friction heat What is a "bight"? - Correct Answers - Loop formed with the rope or middle part of slack rope. What type knot would you use to install a temporary eye in the middle of a rope? - Correct Answers - Bowline How would you join (permanently) two ropes to be used in sheaves? - Correct Answers
- Long splice Why should the load be equally divided on each leg of the sling - Correct Answers - If one leg bears more load it could break. A half high is a quickly tied hitch for ________ loads? - Correct Answers - Light Where should wire rope skins be used? - Correct Answers - When heavy loads are involved and sling length is not important. What size of wire rope sling will you need to lift 5,200 lbs? - Correct Answers - 5/8" X 6' A short splice yields 95% of the remaining strength of the rope. T or F - Correct Answers - False Give five reasons wood poles are used in our system. - Correct Answers - 1. Strength
- Ease of cons
- Low cost
- Insulating properties
- Ease of climbing What kind of wood is the majority of our poles made of? - Correct Answers - Southern yellow pine
What is fiber strength of southern yellow pine? - Correct Answers - 7400 lbs per square inch What type of preservatives is used to treat our poles? - Correct Answers - Creosote or pentachlorophenol List seven things that can shorten the life of a pole. - Correct Answers - Shell rot, heart rot, shakes, decay, insect damage, woodpecker holes, checks What three things determine the height of a pole? - Correct Answers - 1. Clearance above ground
- Number of cross arms
- Other utility equipment The strength of a pole is expressed as its _______. - Correct Answers - Class The depth of a pole must be set is determined by : - Correct Answers - a. Intended use b. Class of pole c. Length of pole d. Soil condition In poor soil a pole should be set _______ to _______ deeper than normal. - Correct Answers - Six inches to 1 foot A class "3" pole should withstand _______ lbs. loads applied 2 feet from the top. - Correct Answers - 3000 Which is stronger, a class "3" pole or a class "1" pole? - Correct Answers - Class 1 How would you check a pole before climbing it? - Correct Answers - Visual, sound test above ground, pole tag, 6" below ground How can you determine how deep an existing pole is set? - Correct Answers - Measure from ground to birth mark and subtract 10 Where are poles marked, and what information is given on the pole? - Correct Answers
- Ten feet from butt, height of pole, trademark, year of manufacture, length & class of pole. What should an apprentice do if he is doubtful as to whether a line is safe to climb - Correct Answers - Ask crew leader if it is safe to climb Rot or decay occurs most frequently about ______to _____ inches the ground line. - Correct Answers - 6 t0 12
The following six spans of single phase #2 primary cable is to be installed in a subdivision: 198, 210, 314, 78, 131, and 164 feet. What is the total length of cable required for this job? - Correct Answers - 1, A three man crew had the following annual earnings: $8,245.60; $7,610.15; and $7,214.92. What is their total annual earnings? - Correct Answers - 23,070. An apartment project requires 48 - 12 KV non-loadbreak elbows. They are placed on order and 24 arrive in the first shipment. How many are yet to arrive? - Correct Answers
- 24 There is 54,370 feet of Secondary Cable in stock. A job requires 67,009 feet. How much additional cable must be ordered? - Correct Answers - 12, Four boxes of Heat Shrink Sleeves, each containing the following number of sleeves are in stock: 257, 235, 271, and 220. The total requirements for a job is 2,750 sleeves. How many must be ordered? - Correct Answers - 1, A contractor did a job for $86, 843. His labor cost was $32,420, material cost was $39,324, and overhead was $10,421. What was this profit? - Correct Answers - $5, A six-man crew received the following paychecks: $153.83; $159.46; $131.80; $122.00; $119.54 and $101.20. What is their total pay? - Correct Answers - $787. Reduce the fraction 12/36 to its lowest terms. - Correct Answers - 1/ Reduce the fraction 41/21 to its lowest terms. - Correct Answers - 1 20/ The fraction 1/4 is said to be the lowest form of 25/100. T or F - Correct Answers - True The voltage ratio of a 12 KV pad- mount transformers is 240/7200. Reduce to its lowest terms. - Correct Answers - 1/ A 35 foot pole is sawed in to 7 equal parts. (A) what is the combined length of three of these parts? (B) what fraction of the entire pole is this? - Correct Answers - 15 What fraction of the entire pole is this? - Correct Answers - 3/ What is an improper fraction? - Correct Answers - Fraction greater than 1 Change the number 4 5/8 to an improper fraction. - Correct Answers - 37/ What is a mixed number? - Correct Answers - a whole number and a fraction
What is the total thickness of six pieces of semicon insulation 1/18 in thick? Express in its lowest terms. - Correct Answers - 1/3 in A subdivision was estimated to cost $12,436 to install the underground. The cost of splicing is 1/8 of that total price. How much does i in t cost to splice this subdivision? - Correct Answers - 1554. A ton of scrap cost $438. How much does 3/8 of a ton cost? - Correct Answers - 164. The formula for the area in a square of an item is: A = L x W. A is the AREA, L is the LENGTH, and W is the WIDTH. If a pad for a transformer is 3 1/4 feet long by 2 1/8 feet wide, how many square feet does it cover - Correct Answers - 6 29/ A 750 pothead is made up of 9 skirted sections. Each section is 2 3/8 inches long. How long is the pothead? - Correct Answers - 21.
