When should you use a portable fire extinguisher? The first and most important purpose of a portable fire extinguisher is to help people escape. Portable fire extinguishers can clear fire away from your escape route or help keep an exit open for others. You should know where extinguishers are located and how to operate them. […]
Why are hardness tests performed?
Why are hardness tests performed? The application of hardness testing enables you to evaluate a material’s properties, such as strength, ductility and wear resistance, and so helps you determine whether a material or material treatment is suitable for the purpose you require. Why are different hardness tests and scales required? Different test scales were created […]
What makes a firearm full auto?
What makes a firearm full auto? Full autos have the secondary sear disengage when the bolt closes into battery and then seeing as the trigger is still being pressed, the gun fires and keeps firing until the trigger is released. This is just the laymens term of full auto fire. What is the difference between […]
What is a linear transformation of a matrix?
What is a linear transformation of a matrix? The matrix of a linear transformation is a matrix for which T(→x)=A→x, for a vector →x in the domain of T. This means that applying the transformation T to a vector is the same as multiplying by this matrix. What is linear transformation with example? A linear […]
What are the responsibilities of a fire watch?
What are the responsibilities of a fire watch? The main job for fire watch personnel is to sound the alarm if there is an emergency so that firefighters can be brought in. They may attempt to control the fire but their primary role is not to fight the flames, but to simply alert professionals so […]
What do graphic designers do?
What do graphic designers do? Graphic designers create visual concepts, using computer software or by hand, to communicate ideas that inspire, inform, and captivate consumers. They develop the overall layout and production design for applications such as advertisements, brochures, magazines, and reports. What do graphic designers do everyday? On a daily basis, Graphic Designers use […]
How was DNA discovered timeline?
How was DNA discovered timeline? The History of DNA Timeline 1859 – Charles Darwin publishes The Origin of Species. 1866 – Gregor Mendel discovers the basic principles of genetics. 1869 – Friedrich Miescher identifies “nuclein” 1900 – Mendel’s theories are rediscovered by researchers. What is the history of DNA? DNA was discovered in 1869 by […]
Is niobium FCC or BCC?
Is niobium FCC or BCC? Table 1: Crystal Structure for some Metals (at room temperature) Aluminum FCC Nickel Cadmium HCP Niobium Gold FCC Vanadium Iron BCC Zinc Lead FCC Zirconium How do you find the density? The formula for density is the mass of an object divided by its volume. In equation form, that’s d […]
Which action supports an effective printer preventive maintenance program?
Which action supports an effective printer preventive maintenance program? Which action supports an effective printer preventive maintenance program? Replace laser printer toner at set predetermined time intervals. Clean inkjet print heads when they stop working. Disconnect the printer from the power source when it is not in use. What would cause an inkjet printer to […]