What are the main components of a refrigeration system? A vapor-compression (or mechanical) refrigeration system has four main components – an evaporator, compressor, condenser, and metering device. What is compressor condenser and evaporator? Refrigerant flows through the compressor, which raises the pressure of the refrigerant. Next the refrigerant flows through the condenser, where it condenses […]
Why are Multiview drawings important?
Why are Multiview drawings important? Multiview drawings provide the shape description of an object. When combined with dimensions, multiview drawings serve as the main form of communication between designers and manufacturers. All three-dimensional objects have width, height, and depth. Width is associated with an object’s side-to-side dimension. What is multi view sketching? A multiview drawing […]
Are rocks renewable?
Are rocks renewable? Rocks and soils are also considered to be non-renewable resources because they take so long to be replaced. Living things are a resource for humans and other organisms. For instance, animals eat plants and other animals. Are rocks a natural resource? Rocks, sand, soil, and water are examples of natural resources. Natural […]
What is the guide on a table saw called?
What is input and output in economics?
What is input and output in economics? Input-output analysis is a macroeconomic analysis based on the interdependencies between different economic sectors or industries. Input-output analysis is used to estimate the impacts of positive or negative economic shocks and analyzes the ripple effects throughout the economy. What is an economic input? In economics, factors of production, […]
What are the three parts of any process?
What are the three parts of any process? Components of a Process Events: Events are the conditions which must exist for the process to be performed. Tasks: A task is the smallest unit into which the activity can be broken down. Decisions: There might be certain decisions which may have to be taken as the […]
What must be done before shipping any used refrigerant in a cylinder?
What must be done before shipping any used refrigerant in a cylinder? Before shipping any used refrigerant cylinders, check that the cylinder meets DOT standards, complete the shipping paperwork including the number of cylinders of each refrigerant, and properly label the cylinder with the type and amount of refrigerant. Cylinders should be transported in an […]
Why is black box not destroyed?
Why is black box not destroyed? “It is extremely rare for a black box to be destroyed,” says Hamilton. “Black boxes have traditionally outperformed their design.” Hamilton says he cannot think of a single case in which both devices have been damaged to the point of there being no useful data. What was one problem […]
How long can food that requires time temperature control be left in the danger zone?
How long can food that requires time temperature control be left in the danger zone? four hours How long can you leave food in the danger zone during preparation? The 2 Hour/ 4 Hour Rule tells you how long freshly potentially hazardous foods*, foods like cooked meat and foods containing meat, dairy products, prepared fruits […]