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 is the difference or similarity of calories and BTUS?
What is the difference or similarity of calories and BTUS? A heating calorie is defined as the amount of heat required to raise one gram of water by one degree Celsius. A Btu, or British Thermal Unit, is roughly the amount of heat produced when you burn one match. Technically, a Btu is the amount […]
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 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 […]
Are 10mm and 3/8 the same?
What is momentum in physics definition?
What is momentum in physics definition? Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton’s second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. What is […]
What is the mass on each planet?
What is the mass on each planet? Planetary Fact Sheet – Metric MERCURY EARTH Mass (1024kg) 0.330 5.97 Diameter (km) 4879 12,756 Density (kg/m3) 5427 5514 Gravity (m/s2) 3.7 9.8 How long do fart smells last? Though farts come out with varying velocities, we don’t typically smell them for about 10-15 seconds after letting them […]
Which type of cooling tower is best?
Which type of cooling tower is best? their design flexibility and cost effectiveness, make mechanical draft cooling towers ideally suited to most cooling duties and plant requirements. Unlike natural draft cooling towers, these towers use fans to circulate air through the tower. Propeller fans and centrifugal fans are most often used. What two types of […]
What does a dead testicle feel like?
What is the direction of the magnetic lines of force?
What is the direction of the magnetic lines of force? Lines of force always form individual CLOSED LOOPS around the magnet. Lines of force have a definite DIRECTION from North to South. Lines of force that are close together indicate a STRONG magnetic field. Is a magnet made with iron nickel or cobalt? There is […]