Make pairs of words by matching a word in column A to a word in column B. Then complete the sentences 1-7 with each pair.
Date: 2015-10-07; view: 498.
PVC INSULATED SINGLE CORE NON-SHEATHED CABLE
Scan the table and complete it with the headings a-j.
aApproximate net weight
bColour of insulation
cMaximum resistance of conductor at 20°C
dInsulation
eType
fNominal cross-sectional area of conductor
gConductor
hLowest ambient temperature for fixed installation
iApplication
jTest voltage 50Hz
| 1___________ | H05V2-U | |
| CONSTRUCTION | 2__________ | annealed copper, class 1 solid, class 2 stranded or class 5 flexible conductor |
| 3__________ | heat resistantPVC | |
| 4__________ | green/yellow, blue, black, brown, grey, orange, pink, red, violet, white | |
| 5__________ | 0.75 mm2 | |
| Radial thickness of insulation | 0.6 mm | |
| Approximate overall diameter | 2.2 mm | |
| 6__________ | 11 kg/km | |
| 7__________ | 24.5 Ω/km | |
| Maximum insulation resistance at 70°C | 0.013 MΩ∙km | |
| Maximum conductor operating temperature | +70°C | |
| 8__________ | -30°C | |
| Lowest installation temperature | -5°C | |
| Maximum short-circuit conductor temperature | +160°C | |
| 9__________ | 2000V | |
| Minimum bending radius | 4 x cable diameter | |
| 10__________ | Fixed protected installation inside appliances and in, or on, lighting fittings. Suitable for installation in surface mounted or embedded conduits, only for signaling or control circuits. | |
| Standard length cable packing | 100 m in rings or on spools, or in cardboard boxes |
| Use of English 2: vocabulary |
| A 1 annealed 2 overall 3 operating 4 bending 5 ambient 6 control 7 embedded | B a circuit b temperature c temperature d conduits e diameter f copper g radius |
1. __________ is the temperature range in which a computer or other electronic device can
function properly.
2. These cables are used for the purpose of lighting in residential and commercial building in
surface mounted or __________ .
3. We can provide tin coated copper wire and __________ wire in bulk at the most
competitive rate in the industry.
4. In a computing context, __________ is the air temperature of any environment where
computers and related equipment are kept. Maintaining an appropriate __________ is
crucial to the proper functioning and longevity of computer equipment.
5. The minimum _________ for cables with non-shielded conductors is seven times the
overall diameter.
6. A tone __________ is an electronic circuit that consists of a network of filters which
modify the signal before it is fed to speakers, headphones or recording devices by way of an amplifier.
7. The minimum bending radius for single conductor cable and multi-conductor cable with an
overall shield is twelve times the __________ of the cable.
| Use of English 2: grammar Conditionals |
| <== previous lecture | | | next lecture ==> |
| Choose the correct preposition. | | | Label the cross-section with the parts (a-e). |