How did interchangeable parts improve manufacturing? Interchangeable parts, popularized in America when Eli Whitney used them to assemble muskets in the first years of the 19th century, allowed relatively unskilled workers to produce large numbers of weapons quickly and at lower cost, and made repair and replacement of parts infinitely easier. Where were interchangeable parts […]
What is transactional vs transformational leadership?
What is transactional vs transformational leadership? Transactional leadership is primarily based on processes and control, and requires a strict management structure. Transformational leadership, on the other hand, focuses on inspiring others to follow, and it requires a high degree of coordination, communication and cooperation. Why is transformational leadership more effective than transactional? A transformational leadership […]
What was the goal of victory gardens?
What was the goal of victory gardens? During World War II, Victory Gardens were planted by families in the United States (the Home Front) to help prevent a food shortage. This meant food for everyone! Planting Victory Gardens helped make sure that there was enough food for our soldiers fighting around the world. What was […]
What is description of criterion?
What is description of criterion? The definition of criterion is the standard by which something is judged or assessed. An example of a criterion is the set of guidelines for a thesis which is used to determine whether your thesis was good or bad. noun. What is the definition of criteria? Criteria is the plural […]
Is the sample mean always equal to one of the values in the sample?
What is the most effective method to protect against a fall hazard?
What is the most effective method to protect against a fall hazard? include use of stairs, guardrails, and barriers to prevent the employee from direct and unprotected exposure to the fall hazard. These techniques prevent the fall before the onset. Control of falls is the last line of defense. How can hazards be prevented from […]
What causes high BOD in wastewater effluent?
What causes high BOD in wastewater effluent? Hydrolysis converts particulate organic matter to soluble and easily degradable organic acids which is why you measure an increase in BOD. What is the limit of BOD on discharge of wastewater on the surface water? 350 mg/L In which way sewage can be treated? Four common ways to […]
What does a bimetallic strip consists of?
What does a bimetallic strip consists of? A bimetallic strip is used to convert a temperature change into mechanical displacement. The strip consists of two strips of different metals, which expand at different rates as they are heated. How does a bimetallic strip measure temperature? When heated, the metal strip deforms due to the different […]
How do you calculate stair risers?
How do you calculate stair risers? There are four main components that need to be considered when measuring a staircase: Rise, Run, Width, and Headroom. To determine the number of risers in the staircase take the total height between floors, in inches, and divide by 8.25. In a straight staircase, there will always be one […]
What are the main components of an elevator?
What are the main components of an elevator? The different parts of an elevator include: Elevator car & shaft. The Sheave & Motor. Control unit. Counterweight. Machine drive. Counterweight guide rails. Guide rail fixing bracket. Car guide rail. How do elevator doors work? Elevators use two different sets of doors: doors on the cars and […]