REAL-LIFE SKILLS 4. Read the text then calculate the heating capacity of one floor (house) with the given dimensions. Length: 12 m, width: 6.5 m, height: 3.2 m, with 4 windows and 2 doors, located in Northern Italy Measuring Heating Capacity To answer the question , these are the first parameters to calculate the heating capacity of your house – keeping in mind this is a rough estimate since a number of factors may influence the final results (e.g.: house insulation, materials the house is made of, persistent micro-climate, etc.): "What boiler size do I need?" For heating one cubic metre of air, 40 watts of thermal power is considered sufficient. Each window adds an additional 100 watts of heating output requirement. Each door, 200 watts. For houses, the heating capacity measurement coefficient is typical of 1.5, while for a 2-4 rooms apartment it is 1.2-1.3, depending on the thickness and material of walls. The region's weather coefficient must be taken into account too, for example it stands at around 0.8 in Northern Italy. Floor's area: ............................................ square metres Volume: ............................................ cubic metres Value of required thermal power: ............................................ watts 4 windows: ............................................ watts 2 doors: ............................................ watts Thermal power, including doors and windows: ............................................ watts House, heating coefficient of 1.5: ............................................ watts Apply 0.8 weather coefficient: ............................................ Watts Thermal output of the boiler or heat pump: around ............................................ kWh 5. Read the short text. Put the sentences in the correct order to describe the solvent welding process of CPVC pipes. Then watch the video and check your answers. Chlorinated polyvinyl chloride (CPVC) pipes and fittings are rapidly growing in popularity in both corrosive and high-temperature applications. Moreover, it is an eco-friendly material as it is 100% recyclable. Checkbox 1. ☐ Apply cement to the exterior of the pipe and inside the fitting hub, then back to the exterior of the pipe. 2. ☐ Hold for 30 seconds to prevent push out. 3. ☐ Dry fit the pipe to test for interference between 1/3 and 2/3 insertion and clean pipe and fitting hub with OD cleaner. 4. ☐ While turning a one-quarter turn, assemble the parts by inserting the pipe into the fitting hub until the pipe reaches the bottom of the fitting hub. 5. ☐ To determine when your system is ready to test, review the OT solvent weld cure time chart. 6. ☐ Before you begin, the pipe must be cut square, , and freed of any dirt. chamfered deburred 7. ☐ Apply primer inside the fitting hub, outside the pipe and then back inside the hub. 8. ☐ Wipe off the excess cement. GLOSSARY : : to chamfer smussare to deburr sbavare