What are the 2 types of primary safeguarding methods? Two primary methods are used to safeguard machines: guards and some types of safeguarding devices. Guards provide physical barriers that prevent access to danger areas. Is grinding wheel dust dangerous? Fine particles created by cutting and grinding can get deep into the lungs. Most concrete and […]
How do you know that Earth is rotating?
How do you know that Earth is rotating? Earth rotates eastward, in prograde motion. As viewed from the north pole star Polaris, Earth turns counterclockwise. The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where Earth’s axis of rotation meets its surface. In […]
Can we live on Mercury?
Can we live on Mercury? Tough Place to Live No evidence for life has been found on Mercury. Daytime Temperatures can reach 430 degrees Celsius (800 degrees Fahrenheit) and drop to -180 degrees Celsius (-290 degrees Fahrenheit) at night. It is unlikely life (as we know it) could survive on this planet. What is Mercury’s […]
What is the maximum and minimum resistance?
What is the maximum and minimum resistance? Maximum and minimum resistance is 9 and 1 ohm respectively. All resistor are of same resistance , R = 3 ohm. We know, equivalent resistance is maximum when all resistance are in series. Therefore, maximum resistance , Also, equivalent resistance is minimum when all resistance are in parallel. […]
What are the disadvantages of a potentiometer?
What are the disadvantages of a potentiometer? Disadvantages of Potentiometer The use of Potentiometer is inconvenient. The area of cross-Section of potentiometer wire must be uniform which is practically not possible. During experiment the temperature of potentiometer wire must remain uniform. The major disadvantage is that it requires a large force to move their sliding […]
What are the five sources?
What are the five sources? The five sources of power and influence are: reward power, coercive power, legitimate power, expert power and referent power. o Using a reward to obtain power is something you may be familiar with from childhood. What are the 8 sources of information? In this section you will learn about the […]
Who is the first Mother of India?
Who is the first Mother of India? Bhikaiji Rustom Cama,or Madam Cama was born on 24 September 1861 in Bombay. She was an outstanding lady of great courage, fearlessness, integrity, perseverance and passion for freedom. and is considered as the mother of Indian revolution because of her contributions to Indian freedom struggle. Who is the […]
What is the most important part of the preamble?
What is the most important part of the preamble? The Preamble is an explanation why the Constitution was written, and the major goals it hopes to accomplish. The single most important part of the Preamble is the first three words, “We the people…” which point out where our government receives its authority from, the people […]
How do you write an introduction for a physics project?
How do you write an introduction for a physics project? The Introduction/Background section of your project report gives a context for your project. This section should contain background information, of an historical and theoretical nature, that explains why your measurements are interesting physics. What is the best physics project for class 12? Popular Physics Project […]
Under what circumstances the resultant temperature will be the average temperature when two substances are mixed together?
Under what circumstances the resultant temperature will be the average temperature when two substances are mixed together? When two liquids at different temperatures are mixed and the resultant temperature is found to be the mean of their temperatures then their densities must be equal. When two samples at different temperatures are mixed the temperature of […]