What is the most efficient cycle for a steam power plant? The Rankine cycle is the ideal cycle for vapor power plants; it includes the following four reversible processes: 1-2: Isentropic compression Water enters the pump as state 1 as saturated liquid and is compressed isentropically to the operating pressure of the boiler. What are […]
What is the moral of the story of an hour?
When was the last partial lunar eclipse 2020?
When was the last partial lunar eclipse 2020? November 29–30, 2020 Penumbral Lunar Eclipse This is the last penumbral lunar eclipse of 2020. Can I see the lunar eclipse in 2020? The final lunar eclipse of 2020 will appear over North and South America, the Pacific Ocean and its neighboring regions on Nov. 29-30. This […]
How often does the jet stream shift?
How often does the jet stream shift? This movement creates an air current, or wind. A jet stream is a type of air current that forms high in the atmosphere. On average, jet streams move at about 110 miles per hour. Why do waters sink in the North Atlantic? Water flowing northward becomes modified through […]
What body parts do birds use for food?
What body parts do birds use for food? Beaks and Bills – Owls, hawks, kingfishers and other birds use their beaks in getting food. The kingfishers with their powerful bills, perch on a tree branch near the water to catch fish. The pelicans use their large bills to catch fish. Other birds have small, short […]
What are the special features of desert plants?
What are the special features of desert plants? Features of Desert Plants Low Water Requirements. Desert plant survival depends on being able to exist on very little rainfall. Small or No Leaves. Moisture evaporates through leaves. Thorns. Many desert plants have needles or thorns. Ability to Quickly Absorb Water. What causes a desert to form? […]
What is a wave cycle?
What is a wave cycle? Wave cycles are pairs of a maximum value and a corresponding minimum value. The crest front wavelength is the distance between the minimum and the maximum. A min2Max cycle is a pair of a local minimum and the following local maximum. Which is a characteristic of all waves? All kinds […]
When was the speed limit 55 mph?
What is the purpose of the prototype?
What is the purpose of the prototype? A prototype is an early sample, model, or release of a product built to test a concept or process. It is a term used in a variety of contexts, including semantics, design, electronics, and software programming. A prototype is generally used to evaluate a new design to enhance […]
What are some positive and negative effects of migration?
What are some positive and negative effects of migration? Country losing people Advantages Disadvantages Decreases pressure on jobs and resources Gender imbalances are caused as it is typically men who seek to find employment elsewhere. Women and children are left Migrants may return with new skills ‘Brain drain’ if many skilled workers leave What are […]