Category: Engineering

What is the best metal for implants? titanium What metals are used in implants? The most common metals and alloys used in implants include stainless steel, cobalt-chrome alloy, titanium, and nickel-titanium alloy (nitinol). What materials are implants made of? Construction of Dental Implants Dental implants are made of titanium or titanium alloys. When they are […]

When should a valve spring be replaced? Valve springs can last a long time, but they do wear. On higher mileage engines with 100,000 miles or more, it is not uncommon for the valve springs to lose tension. Springs that have lost more than 10% of their tension should be replaced. What should valve springs […]

Do ladders need to be inspected? In most cases, ladders should be replaced rather than repaired. They must be inspected regularly to ensure that they are in safe condition. Why ladders must be visually inspected before can be used? Always visually inspect ladder feet to ensure that foot pads and feet assembly are present and […]

What are the ranks in Nigeria Air Force? Nigerian Air Force ranks and salary Trainee: N10,237. Aircraftman woman: N53,892. Lance Corporal: N55,832. Corporal: N58,634. Sergeant: N69,261. Flight Sergeant: N87,119. Warrant Officer: N101,974. Master Warrant Officer: N165,697. What are the ranks in the Australian air force? Air Force Air Chief Marshal. ACM. Air Marshal. AIRMSHL. Air […]

How does a heater warm up a room by convection? The cooler air stays more dense, but as the hot air loses temperature it becomes more dense causing it to fall. In terms of how this heats a room, this exchange of gas of different density causes a convection current around the room and as […]

How do you calculate drawdown on a well? Use one of the methods described in Chapter 2 to find the depth to water. Step 1: Find the static level. Manually turn off the pump. Step 2: Find the pumping level. Turn on the pump. Step 3: Calculate the drawdown. Calculate the drawdown by subtracting the […]

How many camshafts does a DOHC V6 have? two camshafts How many camshafts does a SOHC V8 have? A SOHC engine has one camshaft per bank of cylinders, therefore a straight engine has a total of one camshaft. A V or flat engine with a total of two camshafts (one per bank of cylinders) is […]

Why would a light switch suddenly stop working? The problem may be a loose connection or a tripped wall outlet on the same circuit. The first thing you’ll need to do is turn off power to the light switch before handling it. When you’re sure the breaker is off, remove the cover plate and unscrew […]

What is the other name of concave and convex mirror? converging mirrors What are concave mirrors also called? A concave mirror, or converging mirror, has a reflecting surface that is recessed inward (away from the incident light). These mirrors are called “converging mirrors” because they tend to collect light that falls on them, refocusing parallel […]

When a line is parallel to both HP and VP Its projection is? Explanation: The projected length on the plane to which it is inclined will always be shorter than the true length. In figure 2, the line AB is parallel to VP and is inclined to HP. The angle of inclination of AB with […]