How does variable valve timing VVT system work? In internal combustion engines, variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions. Two-stroke engines use a power valve system to get similar results to VVT. What are the […]
What age can you drive a boat by yourself?
Which of the following is also known as the working load?
Which of the following is also known as the working load? 9. Which of the following is also known as the working load? Explanation: A column and Strut can never be subjected to critical load and the column is subjected to less than a critical load. This load is phenomenally known as safe load or […]
What is the formula for hypothesis testing?
How is Vickers hardness test different from other hardness tests?
How is Vickers hardness test different from other hardness tests? Making use of a diamond indenter, the Vickers hardness test is done with less force and more accuracy than the Brinell test. Requiring an optical system and material prep, the Vickers test incurs higher costs and takes longer to complete than the Rockwell test. What […]
What is life data analysis?
What is life data analysis? In life data analysis (also called “Weibull analysis”), the practitioner attempts to make predictions about the life of all products in the population by fitting a statistical distribution to life data from a representative sample of units. What is lifetime distribution? We use the term life distributions to describe the […]
What is the statement of the second law of thermodynamics?
What is the statement of the second law of thermodynamics? The Second Law of Thermodynamics states that the state of entropy of the entire universe, as an isolated system, will always increase over time. The second law also states that the changes in the entropy in the universe can never be negative. What are two […]
What is thermoset curing?
What is thermoset curing? A thermosetting polymer, resin, or plastic, often called a thermoset, is a polymer that is irreversibly hardened by curing from a soft solid or viscous liquid prepolymer or resin. Curing is induced by heat or suitable radiation and may be promoted by high pressure, or mixing with a catalyst. What are […]
What is the average temperature of Earth 2020?
What is the average temperature of Earth 2020? Averaged as a whole, the global land and ocean surface temperature for March 2020 was 1.16°C (2.09°F) above the 20th century average of 12.7°C (54.9°F) and the second highest in the 141-year record. Only March 2016 was warmer at 1.31°C (2.36°F). What is the current temperature of […]