no
Yes, a 4-inch dryer vent is the recommended size for proper ventilation.
67.5
four inch
No, it won't carry the required amount of air. A vent is usually 1.5 inch and an exhaust is 4 or 5 inch.
1 inch is about 2.5 cm and 1 foot is about 30 cm So: 8*30 = 240 cm
2 * area of circle + circumference * height 2 * pi*r^2 + 2pi*r * h 2pi*8^2 + 2pi*8*30 128pi + 480pi 608pi
30/8 = 3.75 feet = 3ft 9in
When installing a 48-inch hood vent in a kitchen, make sure to position it at the correct height above the cooktop, typically around 24-30 inches. Ensure proper ventilation to the outside, use the appropriate size ductwork, and secure the hood vent tightly to the wall or ceiling. Follow the manufacturer's instructions carefully for best results.
The recommended diameter for a 4-inch vent pipe in a residential plumbing system is typically 2 inches.
The apostrophe in 7' means 7 inches. This means that there would be two 7 inch sides to the rectangle and two 8 inch sides. Perimeter = 7+7+8+8= 30 inches.
A # 30 drill bit is 0.1285 inch, or fractionally more than a 1/8 bit.
On a ruler, .30 inches is slightly less than one-third of an inch. It can be found by measuring just a bit beyond the quarter-inch mark (0.25 inches) and before the half-inch mark (0.5 inches). If your ruler has 1/16 or 1/32 inch markings, .30 inches would be between the 5/8 inch and 3/8 inch marks. It may be helpful to use a decimal ruler or a ruler with finer increments for precise measurement.