What is the main purpose of the National Electrical Code? The NEC (the National Fire Protection Association’s NFPA 70) is a widely-adopted model code for the installation of electrical components and systems. Its purpose is to safeguard persons and property from hazards arising from the use of electricity (NEC 90.1(A)). What are the two basic […]
What do you mean by dimensional motion?
What do you mean by dimensional motion? In this lesson, you will learn more about motion in one dimension, meaning that an object is moving in a straight line: either forwards or backwards, up or down, left or right. An example of one-dimensional motion is the motion of the cars in the drag race video. […]
What is the fastest plane in the world 2020?
What is the fastest plane in the world 2020? The Lockheed SR-71 Blackbird is the fastest jet aircraft in the world, reaching speeds of Mach 3.3–that’s more than 3,500 kph (2,100 mph) and almost four times as fast as the average cruising speed of a commercial airliner. Key elements of the SR-71’s design made this […]
What is the cost of helicopter fuel?
What is the cost of helicopter fuel? Aviation turbine fuel (ATF) price has been cut by Rs 6,812.62 per kilolitre, or 23.2 per cent, to Rs 22,544.75 per kl in the national capital, according to a price notification by state-owned oil marketing companies. Can I use jet fuel in my car? Jet fuel can actually […]
What metal most expensive?
What metal most expensive? Rhodium What metal is the cheapest? Iron and Steel, aluminum, Copper, Zinc, Lead, Cadmium, Manganese, and Magnesium are some of the cheapest metals found. aluminum is the most abundant metal on the planet. It is a bit costly to get it in pure form. Which is cheaper steel or aluminum? Cost […]
How much is a 1915 Coke bottle worth?
How much is a 1915 Coke bottle worth? Recently, a rare Coca-Cola glass bottle from around 1915 was put up for auction with a minimum bid of $50,000. However, the Las Vegas-based auction house Morphy Auctions currently has the bottle valued between $100,000 to $150,000. Are old bottles worth money? While not all old bottles […]
At what position is valve timing set?
At what position is valve timing set? Every time we assemble a four stroke engine we have to set the valve timing. It’s quite simple but very important ! Set the engine at Top-Dead-Center (TDC) of the compression stroke, set the timing marks on the cam and you are done. What happens if valve timing […]
How many types of defects are there?
How many types of defects are there? 3 Types of defects every importer needs to know. Quality control professionals typically classify quality defects into three main categories: minor, major and critical. The nature and severity of a defect determines in which of the three categories it belongs. How do you classify defects? Classification of Defects […]