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How much does 1 sheet of 150gsm paper weigh?
A4 paper 210mm by 297mm in size, which equals 62370 square millimeters. 150 GSM is 150 grams per square meter. 1 meter is 1000 millimeters, so 1 square meter is 1000x1000=1000000 square millimeters. You can fit 1000000/62370 A4 pages into 1sq meter, which is 16.0333493666827 pages. 150grams divided by 16.0333493666827 is 9.3555. So - a 150GSM page of A4 paper weighs 9.3555 grams.
If pressure increases while force remains the same area has?
If pressure increases while force remains the same, the area must decrease. This is because pressure is defined as force divided by area, so if pressure increases while force remains constant, the only way to increase pressure is to decrease the area over which the force is applied.
How can measure the velocity in the duct?
existing duct = velometer (Google velometer). Calculate velocity if volume is known and the size of duct volume (cubic feet) multiplied, square feet feet of duct, IE. 1000 cubic foot of air * 12" x12" square duct = 1000 cubic feet * 1sq. foot = 1000 feet per minute
What are difference between absorber and sound barrier?
Building materials with specific acoustic properties may be divided into Sound Barriers, and Sound Absorbers.Sound barriers are usually materials with significant mass and are used to stop sound between rooms. Concrete Bock and gypsum wallboard would be typical examples.It is very important that sound barrier installations are essentially airtight, otherwise the sound waves will bypass the barrier through tiny holes or slits.The performance of a sound Barrier is measured in decibels. Useful barriers will have a loss in the range of 25dB to 60dB. dB = decibel.The elasticity and mass of air are very different from those of concrete. When a sound wave passes from one medium to another, there will be reflection of energy when the elasticity and mass properties of the two mediums are different.Alexander G Bell was the first person to have to measure the energy loudness of sound. 1 Bell reduction (=10 deci bels) sounds like a reduction to 1/10. The scale is logarithmic, so 2 Bell (20 dB) = a reduction to1/100. Thus a reduction of 50 dB is equivalent to a reduction to1/100 000 of the original.Sound Absorbers are generally light weight material and frequently porous. They are designed to stop reflections within a room. The sound waves are absorbed by moving the light weight fibres within the material. The percentage of sound absorbence of a material would range from 30% to 95%. These values are very different from the values associated with a barrier material.The unit of sound absorbence is the Sabine and 1 (imperial) Sabine has the absorbence of 1sq ft of perfect absorber. Or 1 metric Sabine has the sound absorbence of 1 sq metre of perfect absorber.
1sq meter how many sq feet?
10.764 square feet.
What is the formula for changing square feet to square meter?
1sq/m=10sq/ft
What are square meters?
A square meter is like a square yard. It is an area about the size of a single sidewalk section. Its measurement is 39" x 39". == == == == A meter and sq meter are Metric # for a linear measurement 1sq ft= 0.0929 square meters. 1sq meter = 1.196 sq yds. There is 0.3048 meters in a ft. 1 ft = 12 inches. 1 sq ft = 144 sq inches.
What is the area of 1 x 1?
The area is 1sq something. For example if you have an area 1m X 1m then the area will be 1 sq meter
How much does 1 sheet of 150gsm paper weigh?
A4 paper 210mm by 297mm in size, which equals 62370 square millimeters. 150 GSM is 150 grams per square meter. 1 meter is 1000 millimeters, so 1 square meter is 1000x1000=1000000 square millimeters. You can fit 1000000/62370 A4 pages into 1sq meter, which is 16.0333493666827 pages. 150grams divided by 16.0333493666827 is 9.3555. So - a 150GSM page of A4 paper weighs 9.3555 grams.
How many feet in 1sq feet?
1sq feet is a measurement of area. Feet is a measurement of length. You can't convert between them.
1sq ft is how many inches?
144 square inches.
What is the easiest way to convert square meters to square feet?
One square meter equals 10.7639 square feet. The formula looks like 1sq. meter = 10.7639 sq feet. If you have 8 sq. meters you would multiply 10.7639 by 8 and you would get how many square feet 8 sq. meters is.
Number of lakes in iceland?
67, if only lakes are counted over 1sq mile.
Meaning of 1sq mm?
It is equivalent to an area of a 1 mm by 1 mm square.
What is 1sq?
1 sq, or 1 square unit, typically refers to an area measurement of one square unit, which can be expressed in various units such as square meters, square feet, or square inches. It represents the area of a square with sides measuring one unit in length. For example, a square with each side measuring 1 meter has an area of 1 square meter.
1sq ft equals how many sq cm?
1 square foot is 929.0304 square centimeters.
