How many times more intense is a 40 dB sound than a 20 dB sound? So, a sound that’s 120 dB—a jet engine, for example—is one trillion times the intensity of the smallest sound a human can hear….That’s Intense: Understanding the Decibel Scale. 0 dB threshold of human hearing 20 dB 100 times more intense […]
Why do we do ratio test in transformer?
Why do we do ratio test in transformer? The transformer turns ratio test is used to determine the number of turns in one winding of a transformer in relation to the number of turns in the other windings of the same phase of the transformer. The transformer polarity test determines the vectoral relationships of the […]
How do you classify protists?
How do you classify protists? The protists can be classified into one of three main categories, animal-like, plant-like, and fungus-like. Grouping into one of the three categories is based on an organism’s mode of reproduction, method of nutrition, and motility. Which best describes the offspring of a protist? Asexual binary fission in protists is one […]
What is the relationship or evidence between a hypothesis and prediction?
What is the relationship or evidence between a hypothesis and prediction? Hypothesis and prediction are both a type of guess. That’s why many people get the two confused. However, the hypothesis is an educated, testable guess in science. A prediction uses observable phenomena to make a future projection. How do you write a prediction for […]
Where did the Aether come from?
Where did the Aether come from? The Aether was taken from the Elves by the Asgardians and entrusted to the Collector following the Second Dark Elf Conflict. During the Infinity War, the Aether was retrieved from the Collector’s Museum in Knowhere and solidified by the Mad Titan Thanos, who put the Stone inside his Infinity […]
How do you increase efficiency?
How do you increase efficiency? Here are the top 10 things you can do to increase employee efficiency at the office. Don’t be afraid to delegate. Match tasks to skills. Communicate effectively. Keep goals clear and focused. Incentivize employees. Cut out the excess. Train and develop employees. Embrace telecommuting. How do you improve work accuracy? […]
Why atleast one open heater is used?
Why atleast one open heater is used? Why at least one open heater is used? Explanation: The open heater works as a deaerator. Are open or closed feedwater heaters more efficient? Heat transfer in closed feedwater heaters is less effective since the two streams are not allowed to be in direct contact. Most steam power […]
How do you read a spring scale?
How do you read a spring scale? Spring scales measure weight (not mass) in grams….To Use a Spring Scale: Hang the object to be measured from the spring scale hook. Read the grams scale for weight. Read the Newtons scale for force. We will mostly be using Newtons during the module. What can you use […]
Which statement best describes the term matter?
Which statement best describes the term matter? Answer: Matter is anything that occupies space. Which of the following describe a solid? Solids are defined by the following characteristics: Definite shape (rigid) Definite volume. Particles vibrate around fixed axes. What are the general characteristics of a solid? Solids are defined by the following characteristics: definite shape […]
Which type of sandstone is more stable?
Which type of sandstone is more stable? Quartz arenites are texturally mature to supermature sandstones. These pure quartz sands result from extensive weathering that occurred before and during transport. This weathering removed everything but quartz grains, the most stable mineral. How long can Sandstone last? Durability: Sandstone can’t match slate or granite for durability, but […]