Iran Nezam Mechanical Supervision Exam case studies
Iran Nezam Mechanical Supervision Exam · Put your knowledge to work in context.
The Iran Nezam Mechanical Supervision credential (نظارت مکانیک) is a professional licence issued through the Iranian engineering registration system. Holders are authorised to supervise the installation of mechanical building services - HVAC, plumbing and drainage, gas, fire suppression and refrigeration - on construction projects, checking that work conforms to approved drawings, the national building code and good practice. The Iran Nezam Mechanical Supervision Exam case studies are 5 cases and about 3,501 words.
1Chilled-Water Plant With Three-Way Valves: Low Delta-T and Warm Upper Floors
A 12-storey, 240-unit residential tower in Tehran has a central chilled-water plant with two 300 TR screw chillers, primary/secondary pumping, and variable-speed secondary pumps. Each apartment fan-coil unit is fitted with a three-way control valve; the differential-pressure sensor is at the top of the secondary riser.
767 words, about 4 min2Pressure Zoning and Water Hammer in a 20-Storey Residential Tower
A 20-storey residential tower is fed by a roof tank and a duplex variable-speed booster set. Pressure-reducing valves are installed at the 6th and 12th floor riser branches.
698 words, about 3 min3Jockey Pump Cycling and Main Fire Pump Start Point in a Shopping Centre
A four-storey retail centre with two basement parking levels has an electric fire pump rated 500 gpm at 8 bar, a diesel standby pump, and a jockey pump rated 10 gpm. The sprinkler and hydrant systems share the pump room.
699 words, about 3 min4LPG Manifold in a Restaurant Basement: Ventilation and Piping Route
A restaurant occupying the basement level of a mixed-use building uses two 50 kg LPG cylinders connected to a manual manifold. The cylinders are placed in a small locked room under the internal stair.
645 words, about 3 min5Variation and Payment Dispute for Added Fire Dampers and Late Shop-Drawing Approval
A hospital mechanical contract is measured under a national mechanical price list. The contract drawings show fire dampers at main duct penetrations, but the approved revised layout adds 85 dampers at branch ducts that were not shown.
692 words, about 3 min