How do you make timber fire resistant?

How do you make timber fire resistant? For sheds, summerhouses and similar constructs, adding insulation can also work to help prevent fires. Fire resistant insulation, such as fibreglass or sheep’s wool, should be added to the roof and walls of your timber constructs, as this can help to keep the building cooler in the summer, […]

What are the two main goals of epidemiology?

What are the two main goals of epidemiology? The objectives of epidemiology include the following: to identify the etiology or cause of disease. to determine the extent of disease. to study the progression of disease. What are the two goals of epidemiology? The principal aim of epidemiology is to identify factors related to the occurrence […]

What are the types of interference in communication?

What are the types of interference in communication? The common types of interference in cellular networks are: self-interference, multiple access interference, co-channel interference (CCI) and adjacent channel interference (ACI). Self-interference is induced by signals that are transmitted on a shared transmitter. What is interference in Bluetooth? The Problem. To communicate between your devices, Bluetooth sends […]

Does turning off powerpoints save money?

Does turning off powerpoints save money? Plug sockets do not produce energy if they are not switched on, and empty sockets do not produce electricity because you need a full-completed circuit to get the energy flow. So turning off empty sockets doesn’t really do anything. Are plugged in chargers a fire hazard? I had a […]

Which part of your body does alcohol affect first?

Which part of your body does alcohol affect first? It passes quickly into your bloodstream and travels to every part of your body. Alcohol affects your brain first, then your kidneys, lungs and liver. What are the 3 parts to the zone control system? A zone control system consists of 3 basic components: thermostats, a […]

What are the similarities and differences between conduction convection and radiation?

What are the similarities and differences between conduction convection and radiation? In conduction, heat transfer takes place between objects by direct contact. In convection, the heat transfer takes within the fluid. In radiation, heat transfer occurs through electromagnetic waves without involving particles. The heat transfer takes place due to the difference in temperature. Is cotton […]

How many WH is a 18650?

How many WH is a 18650? A single 18650 cell is 10 watt hours. You can draw 10 watts from one for 1 hour or 2 watts for two hours. My pack is 140 watt hours so you could draw 20 watts for 7 hours. There is an upper limit for power drain. How long […]

What is the third ionization of aluminum?

What is the third ionization of aluminum? On the other hand, aluminium has three electrons located on its outermost energy level, one located in a 3p-orbital and two in the 3s-orbital. The third ionization energy is the energy needed to remove a third electron from an atom. What is the third ionization energy of Al? […]

What are the two types of transistors?

What are the two types of transistors? Basic Electronics – Types of Transistors The primary transistor is the BJT and FET is the modern version of transistor. Let us have a look at the BJTs. The types of BJT are NPN and PNP transistors. The FET is a unipolar device, which means that it is […]

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