What race is most affected by lactose intolerance? Lactose intolerance in adulthood is most prevalent in people of East Asian descent, with 70 to 100 percent of people affected in these communities. Lactose intolerance is also very common in people of West African, Arab, Jewish, Greek, and Italian descent. Why is lactose intolerance becoming more […]
What is a self-sealing tire?
What is a self-sealing tire? Self-sealing tires are a variation of Run-Flat technology, which allows you to continue driving despite a minor puncture of your tire. Designed with standard tire construction, self-sealing tires have a great feature on the inner lining of the tire—an extra lining of sticky gel-like polymer sealant. How do self-sealing tires […]
What are the methods of power transmission?
What are the methods of power transmission? There are different ways to transmit power and speed within mechanical power transmission technology: Toothed- or V-belt drives. Chain drives. Shaft couplings. Gear drives. How is power transmitted in fluid power systems? Hydraulics transfers power using a liquid (often oil) while pneumatics transfers power with a gas (often […]
What are the safety precautions to be considered in the maintenance of an automobile?
What are the safety precautions to be considered in the maintenance of an automobile? The following is a list of general safety tips every repair shop should use to keep everyone safe. Never smoke in or near repair bays or garages. Keep work areas clean and organized. Never wear loose clothing or clothing that is […]
Which of the following technologies build parts through melting?
Which of the following technologies build parts through melting? The Directed Energy Deposition (DED) 3D printing technology, also known as Direct Energy Deposition, creates parts by directly melting materials and deposing them on the workpiece, layer by layer. This additive manufacturing technique is mostly used with metal powders or wire source materials. Is 3D printing […]
What is involute profile in gear?
What is involute profile in gear? Definition of the Involute We have shown that the normal at every point of the gear tooth profile is tangent to the base circle. The name of this curve is an involute, defined as the curve such that the normal at every point touches the involute base circle. What […]
Which is the main component of automatic storage and retrieval system?
Which is the main component of automatic storage and retrieval system? Typically, automated storage/retrieval systems (AS/RS) have four major components: the storage rack, the input/output system, the storage and retrieval (S/R) equipment, and the computer management system. What is special about the automated retrieval system? The benefits of an AS/RS system include reduced labor for […]
How does going green help the environment?
How does going green help the environment? Going green helps the environment by reducing the amount of pollution that enters the soil, water and air. By using alternative energy sources and avoiding the burning of fossil fuels, recycling and reducing waste and driving more efficiently, fewer pollutants are released into the environment. What does going […]
Which factors affect the selection on Crane?
Which factors affect the selection on Crane? Three Factors You Should Consider When Choosing a Crane The duration of the job and the size and weight of the material you will be lifting. Cranes have different specifications, capacities and functionalities. How will equipment be transported. The conditions of the construction site. What are the factors […]
Which of the following causes the short run aggregate supply curve to shift to the right?
Which of the following causes the short run aggregate supply curve to shift to the right? A decrease in the expected price level will cause firms to bargain for lower wages with workers. Once workers agree to the lower wages, firm’s cost of production falls, leading to an increase in the aggregate supply of goods […]