Conduit Sizing/Underground Conductors in Parallel - Science Assignment Help

Assignment Task

1: Determine the change in length of a 55 m run of 35 trade size PVC conduit in a temperature range of -55oC to 30oC. Is an expansion joint required? How many? 
2: Determine the change in length of a 100 m run of 91 trade size Steel conduit in a temperature range of -35oC to 40oC. Is an expansion joint required? How many? 
3: Determine the minimum trade size PVC conduit to contain four # 3/0 Awg RW90XLPE without a jacket and  six #12 Awg TW75 to be used on a 347/600V, 3 phase 4-wire system. 
4. Determine the minimum trade size flexible metal conduit to contain the following conductors: - Twenty five # 10 T90 Nylon 
- Thirty # 14 R90XLPE, 600V Unjacketed 
- Twenty #12 TW75 
5. Determine the minimum trade size PVC conduit to contain four un jacketed # 3/0 Awg RW90XLPE  conductors of a 600V, 4 wire, 3 phase system. 
6. Determine the minimum trade size PVC conduit to contain twelve #14 Awg T90 Nylon conductors for  control functions.
Conduit Sizing/Underground Conductors in Parallel 
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7: Determine the change in length of a 72 m run of 53 trade size rigid steel conduit in a temperature range of -40oC to 25oC. Is an expansion joint required? How many? 
8: Determine the change in length of a 120 m run of 103 trade size Aluminum conduit in a temperature range  of -41oC to 39oC. Is an expansion joint required? How many? 
9: Determine the minimum trade size EMT raceway to contain five # 4/0 Awg RW90XLPE without a jacket  and six #14 Awg TW75 to be used on a 347/600V, 3 phase 4-wire system. 
10. Determine if a single 41mm trade size PVC conduit is sufficient to contain all of the following conductors: - Twenty # 12 T90 Nylon 
- Thirty-two # 14 R90XLPE, 1000V Unjacketed 
- Twenty #12 TW75 
11. Determine the minimum trade size EMT raceway to contain four # 3/0 Awg T90 conductors of a 600V, 4  wire, 3 phase system.

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