If there is no dropped ceiling, or if the drop is not as much as the height of the recessed luminaires, you will find that the center-to-center spacing of recessed luminaires will have to be in increments of ____________________ ft.

Answers

Answer 1

Answer:

The answer is "4".

Explanation:

The luminaire would be recessed inside a wall, so that, dependent on the surface mountings, its top-level is flush with the ceiling. It is the hanging under the primary structural, in which the drop was an area of the above falling ceiling, that referred to its full space, because it will be generally used for the HVAC air return and the total space is also used to obfuscate piping, cabling, and ducts, that's why the middle-to-middle spacing of curved lighting systems would have to be in incremental increases of 4 ft.

Related Questions

9. An efficient LED light bulb uses energy at a rate of 7 watts or 7 J/second. What
total amount of electrical energy is used if the light is on for 2 hours?

Answers

Answer: 50,400 J

Explanation:

Duas cargas elétricas Q¹= 15.10-seis ao quadrado C e Q² = 150.10-seis ao quadrado, estão separadas por uma distância de 0,1m, no vácuo. Determine a intensidade da força elétrica de repulsão existente entre as cargas. Dá uma força ae clã!

Answers

Answer:

The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

Explanation:

Given that,

First charge [tex]q_{1}=15\times10^{-6}\ C[/tex]

Second charge [tex]q_{2}=150\times10^{-6}\ C[/tex]

Distance = 0.1 m

We need to calculate the electric field intensity of electric force

Using formula of intensity of electric force

[tex]E=\dfrac{F}{q_{2}}[/tex]

[tex]E=\dfrac{kq_{1}}{r^2}[/tex]

Put the value into the formula

[tex]E=\dfrac{9\times10^{9}\times15\times10^{-6}}{(0.1)^2}[/tex]

[tex]E=13500000\ N/C[/tex]

[tex]E=1.35\times10^{7}\ N/C[/tex]

Hence, The electric field intensity of electric force is [tex]1.35\times10^{7}\ N/C[/tex]

Explain newton 2nd law ???

Answers

Explanation:

Newton's second law simply says that the net force on an object is equal to the object's mass times its acceleration.

∑F = ma

For example, think of a game of tug-of-war, in which two teams pull on a rope in opposite directions.

If the forces are equal (balanced), then the net force is 0 N, so Newton's second law tells us that the rope's acceleration is 0 m/s².

If the forces are not equal (unbalanced), then the net force is not 0 N, and the rope will accelerate in the direction of the net force.

What are the 2 main parts of physical science

Answers

Answer:

Physical science is the study of the inorganic world. That is, it does not study living things. (Those are studied in biological, or life, science.) The four main branches of physical science are astronomy, physics, chemistry, and the Earth sciences, which include meteorology and geology.

Explanation:

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