A fan is installed in a residential building to provide proper ventilation. This fan is connected to a duct with 11.6 cm diameter and provides the average air velocity of 5 m/s. By regulation, the minimum fresh air requirement is specified to be 0.35 air changes per hour (ACH) which means 35% of the entire air contained in a room should be replaced by fresh outdoor air every hour. Determine the flow capacity of the fan in litres/min and what the height of the residential building should be

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1. What are the properties of natural gas? 2. Outline the difference between non associate and associated gas i need clear ans and solve very very fast in 20 min and thank you | DYBALA

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Convert 22C to Fahrenheit.

4.41 in.8.82 in.14 in.22.82 in.

Question 6 a) The bore of each cylinder in a six-cylinder car engine is 45 mm and the stroke for each piston is 125 mm. calculate the cubic capacity of the engine in cubic centimetres (cm³); and calculate the clearance volume per cylinder for a compression ratio, r, of 8.75. b) The bore of each cylinder in a four-cylinder four-stroke internal combustion engine is 38 mm and the stroke of each piston is 165 mm. During testing, the engine runs at 180 revolutions per minute (rpm) with a pressure-volume indicator diagram showing a mean net area of 3.4 cm² and a diagram length of 1.2 cm. The pressure scale on the indictor diagram is set to 150 kN/m² per cm. Calculate the mean effective pressure (m.e.p) and the indicated power developed by this four-cylinder four-stroke engine. c) Figure Q6c shows a pulley system with a suspended load w of 2000 N. Calculate the following: (i) (ii) (iii) (iv) The effort force (FEffort) necessary to lift and hold a load of 2000 N. The ideal mechanical advantage…

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2.1 Please help. Written on paper not typed on computer or keyboard please. Need help both questions. Please include all units, steps to the problem and information such as its direction or if it is in compression or tension. Thx.