What does the ringelmann effect explain? Ringelmann, a French agricultural engineer, took a rope and asked individual people to pull on it. We call it “the Ringelmann effect,” or social loafing. It describes the tendency for individual productivity to decrease as group size increases. What is ringelmann effect in sport? The effect known as Ringelmann […]
What type of fuel is used in NASA rockets?
What type of fuel is used in NASA rockets? hydrogen gas Do rockets use fossil fuels? The best rocket fuel point blank is burning liquid hydrogen and liquid oxygen. Many rocket engines EVEN 50 YEARS AGO used Hydrogen as a fuel, not Kerosene. Other fuels have been developed since then that have some advantages over […]
What does it mean to dimension a drawing?
What does it mean to dimension a drawing? Definition Dimensioning is the process of specifying part’ s information by using of lines, number, symbols and notes . Lines to be used are always thin continuous line. 2. Symbol or abbreviation commonly found in a drawing are – “ diameter ” is represented by a symbol […]
What is the flow of water through a cell membrane called?
What is the flow of water through a cell membrane called? osmosis What is the movement of water down a concentration gradient? Osmosis is the movement of water through a semipermeable membrane according to the concentration gradient of water across the membrane, which is inversely proportional to the concentration of solutes. When water molecules move […]
What is integrity in terms of information security?
What is integrity in terms of information security? In the world of information security, integrity refers to the accuracy and completeness of data. Security controls focused on integrity are designed to prevent data from being modified or misused by an unauthorized party. How do you ensure confidentiality and integrity and availability? Putting Confidentiality into Practice […]
What is so special about Boeing 787 Dreamliner?
What is so special about Boeing 787 Dreamliner? The Boeing 787 Dreamliner has revolutionized flying for both passengers and pilots. In flight deck, a head-up display increases the pilots’ situational awareness and specially designed surfaces on the wings make the aircraft more fuel efficient. Where is the Boeing 787 Dreamliner manufactured? Boeing 787 Dreamliner Sections […]
What is the force that attracts all objects to each other?
What is the force that attracts all objects to each other? Gravitational force -an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the […]
Does preheating fuel increase efficiency?
Does preheating fuel increase efficiency? It is known that preheating gasoline or other fuel for internal combustion engines can produce more efficient vaporization and higher combustion efficiency and engine performance than cold fuel. What is regenerative air preheater? Regenerative type of air preheater:- Tri sector regenerative preheater is commonly used in power plant. this design […]
What is Gauss Seidel iteration method?
What is Gauss Seidel iteration method? Gauss–Seidel method is an iterative method to solve a set of linear equations and very much similar to Jacobi’s method. The name successive displacement is because the second unknown is determined from the first unknown in the current iteration, the third unknown is determined from the first and second […]
Which lubrication system is used in 2 stroke engine?
Which lubrication system is used in 2 stroke engine? petroil mixture What is the primary cause of pollution from a two stroke engine? Two-stroke engines produce a lot of pollution because the fuel-air mixture in them gets contaminated with the engine’s lubricating oils. This allows fuel to enter the combustion chamber when the exhaust port […]