Where in the body does the adaptive immune response become initiated? The cells of the immune system originate from hematopoietic stem cells in the bone marrow. Cytokines stimulate these stem cells to differentiate into immune cells. B cell maturation occurs in the bone marrow, whereas naïve T cells transit from the bone marrow to the […]
What are the factors that affect the flow of a fluid along an open channel?
What are the factors that affect the flow of a fluid along an open channel? Flow patterns in a fluid (gas or liquid) depend on three factors: the characteristics of the fluid, the speed of flow, and the shape of the solid surface. Three characteristics of the fluid are of special importance: viscosity, density, and […]
How do I create a section view?
How do I create a section view? A full section view is generated by running the cutting plane through the entire length of the object being sectioned. Click Layout tab Create View panel Section drop-down Full. Click the view you want to use as the parent view. Click in the drawing area to indicate the […]
What are 3 simple machines?
What are 3 simple machines? The simple machines are the inclined plane, lever, wedge, wheel and axle, pulley, and screw. What 3 ways are machines useful? Background Information. There are three ways simple machines make work easier: by increasing the distance through which force is applied, by changing the direction of applied force, or by […]
What are the 4 strengthening mechanisms of metals?
What are the 4 strengthening mechanisms of metals? STRENGTHENING BY STRAIN HARDENING( WORK HARDENING OR COLD WORKING) • Plastic deformation of ductile materials increase the strength of the material at very low temperature than its’ melting point. Strengthening of a metal or polymer by plastic deformation is called as work hardening or strain hardening. What […]
What is vertical farming?
What is vertical farming? Vertical farming is the practice of growing crops in vertically stacked layers. It often incorporates controlled-environment agriculture, which aims to optimize plant growth, and soilless farming techniques such as hydroponics, aquaponics, and aeroponics. What are the benefits of vertical farming? Advantages and Disadvantages of Vertical Farming It offers a plan to […]
What is sheet metal shearing operation?
What is sheet metal shearing operation? Shearing Operation Shearing is the process of separating the sheet metal into two or more pieces, normally by cutting along a line. Commonly used to cut into rectangular shapes but can produce other shaped parts. Which of the following is used for cutting a sheet metal along a straight […]
What is the maximum air leakage rate in a straight truck with the engine off and the brakes off?
What is the maximum air leakage rate in a straight truck with the engine off and the brakes off? Quote From The CDL Manual: Test air leakage rate: With a fully-charged air system (typically 125 psi), turn off the engine, release the service brake, and time the air pressure drop. The loss rate should be […]
What is the difference between an employee and independent contractor?
What is the difference between an employee and independent contractor? What’s the Difference Between an Independent Contractor and an Employee? For the employee, the company withholds income tax, Social Security, and Medicare from wages paid. For the independent contractor, the company does not withhold taxes. Employment and labor laws also do not apply to independent […]
Which sentence has a pronoun-antecedent error?
Which sentence has a pronoun-antecedent error? Since we do not know if the “person” in question is a man or a woman, we should use the phrase “his or her.” The correct answer is therefore “for the rest of his life.” In this sentence, the plural pronoun “sie” does not correspond to its unique predecessor, […]