What wood joint is the weakest? Butt Joint What is the strongest joining method for wood? Mortise and Tenon Joint The mortise and tenon is a classic wood joinery method. These joints have been used since the early times of woodworking, and are still among the strongest and most elegant methods for joining wood. How […]
How do you calculate the natural frequency of a beam?
What should you do if you are exposed to hydrogen sulfide?
What should you do if you are exposed to hydrogen sulfide? Treatment. Those exposed to H2S gas should remove themselves from the toxic environment immediately. Rescuers need to take caution when approaching victims who cannot evacuate independently, as to not be harmed themselves by H2S exposure. What are three symptoms you would experience if you […]
What would cause a transmission to lock up?
What would cause a transmission to lock up? This condition can also be caused by low transmission fluid, contamination due to lack of maintenance or water intrusion, or internal wear and tear on the transmission parts inside the transmission. A high revving engine is a typical sign that you have worn clutches or other parts […]
What are the advantages and disadvantages of injection molding?
What are the advantages and disadvantages of injection molding? What are the Advantages and Disadvantages of Injection Moulding? Injection moulding is one of the most commonly used methods of producing identical plastic products in high volumes. 1) Fast production and highly efficient. 2) Low labour costs. 3) Design flexibility. 4) High-output production. 5) Large material […]
How do you know if power factor is leading or lagging?
How do you know if power factor is leading or lagging? The key factor of differentiation between leading and lagging power factor is that leading power factor is attained when the load current is in the leading position to that of the supply voltage. While lagging power factor shows that the current lags the voltage […]
How are standard sectional switch device boxes mounted?
How are standard sectional switch device boxes mounted? How are standard sectional switch (device) boxes mounted? NEC 314.20 states that boxes must be mounted so that they will be set back not more than 1/4in. (6mm) in noncombustible walls or ceilings and flush when installed in combustible. How high above the finished floor in the […]
What is glass transition temperature of plastics?
What is glass transition temperature of plastics? 170 K to 500 K. What happens at the glass transition temperature? There is a certain temperature(different for each polymer) called the glass transition temperature, or Tg for short. When the polymer is cooled below this temperature, it becomes hard and brittle, like glass. Some polymers are used […]
Why does plastic deformation occur?
Why does plastic deformation occur? Plastic deformation is the permanent distortion that occurs when a material is subjected to tensile, compressive, bending, or torsion stresses that exceed its yield strength and cause it to elongate, compress, buckle, bend, or twist. What are the different methods of increasing the strength of metals explain briefly? There are […]
What do we call architectural drawings that show the size of the building?
What do we call architectural drawings that show the size of the building? Foundation plan: A drawing that shows the layout and elevation of the building foundation. What are architectural drawings called? Prints of architectural drawings are still sometimes called blueprints, after one of the early processes which produced a white line on blue paper. […]