Nicet Level 3 Study Set exam with correct detailed answers.

Nicet Level 3 Study Set exam with correct
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detailed answers |




How |are |lights |and |luminaires |controlled? |- | |correct |answers |By |a |PhotoCell |Control |and |for |
circuits |operating |at |less |than |10 |amps, |a |Photocell |switch |is |used



What |are |the |three |types |of |inspection? |- | |correct |answers |Initial, |Interim |and |routine



How |many |times |per |foot |should |loop |wires |be |twisted? |- | |correct |answers |5 |twists |per |foot



How |wide |should |loops |be |cut |and |at |what |depth? |- | |correct |answers |5/16th |Wide |and |1 |3/4"
|deep




what |should |be |installed |on |loops |wires |they |cross |a |crack |or |joint? |- | |correct |answers |A |
plastic |sleeve |that |extends |4" |past |the |joint/crack.



How |should |spare |signal |conductors |be |arraigned |inside |the |box? |- | |correct |answers |Spare |
conductors |should |be |connected |to |a |terminals. |unused



What |should |happen |prior |and |during |the |installation |of |loops |wires? |- | |correct |answers |1. |
Clean |saw |cuts |and |remove |debris |by |means |of |sandblasting, |water |blasting |or |wire |brushing

2. |Do |not |allow |vehicles |to |drive |over |open |cuts

3. |Utilized |plastic |sleeves |between |joints



How |is |loop |wire |required |to |be |placed? |- | |correct |answers |continuously

,What |is |placed |ontop |of |continuous |loop |wires? |- | |correct |answers |2' |long |Backer |Rod



What |is |the |required |wire |slack |amount |left |inside |of |pull |box? |- | |correct |answers |Minimum |of
|36"




How |long |until |subjected |live |load |can |be |applied |to |anchor |bolts? |- | |correct |answers |Until |
concrete |meets |it |required |28 |day |strength



What |type |of |pattern |is |recommended |when |tightening |bolts? |- | |correct |answers |The |Star |
Pattern



Prior |to |erection |of |traffic |lights, |What |are |the |elements |an |inspector |is |looking |for? |- | |correct |
answers |1.Bent |or |damaged |parts

2. |damaged |coatings

3. |Distortions

4. |defective |fabrication



What |elements |of |a |traffic |light |assembly |should |be |inspected |prior |to |erection? |- | |correct |
answers |1.Posts

2. |End |Frames

3. |Mast |arms

4. |Trusses



How |can |light |poles |be |erected? |- | |correct |answers |Light |poles |and |light |supports |can |be |
assembled |from |the |ground |if |they |contain |a |short |cantilevered |arms.



What |are |the |inspection |types |for |welds? |- | |correct |answers |Magnetic |Particle |testing |(MT) |
and |dye-penetrant |(PT) |testing |or |ultrasonic |testing

, What |should |be |provided |if |conduit |crosses |a |structural |joint? |- | |correct |answers |Metal |
expansion |and |deflection |fittings



What |is |the |dimensions |of |the |copper |clad |steel |rods? |- | |correct |answers |Rods |should |be |
5/8th |thick |and |8' |long.



What |are |the |size |of |micropiles? |- | |correct |answers |Typically |less |than |12"



What |is |the |size |of |driven |piles? |- | |correct |answers |Between |12 |and |36"



What |is |the |required |surface |temperature |for |painting |a |bridge? |- | |correct |answers |Surface |
temps |must |be |between |50 |and |100 |degrees



When |painting |a |bridge, |what |must |be |the |humidity |percentage |be? |- | |correct |answers |85% |or
|less |unless |manufactures |recommendations |say |otherwise




When |cleaning |unsound |paint, |how |far |into |the |intact |coat |should |you |be? |- | |correct |answers |
Extend |the |prepared |area |at |least |2 |inches |into |adjacent |tightly |adhering, |intact |coating.



When |should |primer |be |applied |when |painting |a |bridge? |- | |correct |answers |. |Only |where |paint
|is |removed |to |bare |metal. |Otherwise, |apply |only |intermediate |and |finish |paints




What |do |the |color |bonnets |on |fire |hydrants |mean? |- | |correct |answers |Light |Blue |- |1,500GPM |
or |above

Green: |1000-1499GPM

Orange: |500 |- |999GPM

Red: |Less |than |500 |GPM