What cycle does a refrigerator work on? Air cycle refrigeration works on Reversed Carnot cycle and Bell Coleman cycle. Air is compressed and then heat removed, this air is then expanded to a lower temperature than before it was compressed. . Where is refrigeration used? Refrigeration has many applications, including household refrigerators, industrial freezers, cryogenics, […]
What is the fastest instrument to learn?
What is the fastest instrument to learn? These are the 10 Easiest Musical Instruments to Learn for Adults over 50 The Recorder. The recorder is one of the easiest instruments to learn. The Lyre Harp. Harps come in many sizes and with various numbers of strings. Percussion Instruments. Bongos. Castanets. Drum Kit. Tambourine. Guitar. What […]
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach?
What is the source of energy for the life in deep sea ocean trenches where sunlight does not reach? Answer: Instead of sunlight, vent life relies on hydrogen sulfide – more commonly known as rotten egg gas and toxic to most land-based life. In a process called chemosynthesis, specialized bacteria create energy from the hydrogen […]
How a ring main is wired?
How do organisms repair?
How do organisms repair? Moreover, how do organisms repair themselves? It must repair itself, first by stopping the loss of cytoplasm, and then regenerate by rebuilding structures that were damaged or lost. At the multi-cellular level, repair and regeneration are effected by generating new cells to replace the ones that were lost. How do you […]
What does a unification fight mean?
What does a unification fight mean? The unified champion is defined as a boxer that holds at least two world championships of major sanctioning bodies (WBA, WBC, IBF or WBO) in their respective division. How do you use unification? An extreme cultural divide was overcome with a unification of nations around the beer tap. The […]
Why metal is a conductor?
Why metal is a conductor? Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions. Are metals shiny? […]
Where do you stop hitting the cue ball?
How is DNA used to identify individuals?
How is DNA used to identify individuals? DNA fingerprinting is a chemical test that shows the genetic makeup of a person or other living things. It’s used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease. What are the steps of gel electrophoresis? There are several […]
What are the three main principles of usability testing?
What are the three main principles of usability testing? Main principles of usability testing are: defining the goal, hypothesis, research questions and creating scenarios accordingly. preparing requisites based on scenarios (prototypes – never waste time creating omnicapable prototype, these can be only worth it as design presentations for clients, but not for UTs. How do […]