Engineering in brief
Define the term engineering in brief.
Expert
The application of science to the requirements of humanity and a profession in which the knowledge of mathematical and natural sciences gained through study, experience and practice is applied with decision to develop manners to utilize economically the materials and the forces of nature for the advantage of mankind.
Joule's laws (J.P. Joule) Joule's first law: The heat Q generated whenever a current I flows via a resistance R for a specified time t is specified by: Q = I2
Describe the fundamental principles of the regulation? Briefly describe the principles?
Does water drain contradict clockwise in the northern hemisphere and clockwise in the southern hemi-sphere? Briefly explain it.
In the radioactive dating we use half life to find out the age of a sample however not average life why? Describe.
Describe the reason in short why the length of a standard meter re-defined in the year of 1983?
Explain laws of black-hole dynamics or First law of black hole dynamics and Second law of black hole dynamics? Q : Define Heat pumps Heat pumps move heat Heat pumps move heat from one place to another. They work similar to refrigeration. The movement of heat takes energy, either electrical energy as in the use of vapor compression heat pumps or thermal energy as in the use of absorption heat pump
Heat pumps move heat from one place to another. They work similar to refrigeration. The movement of heat takes energy, either electrical energy as in the use of vapor compression heat pumps or thermal energy as in the use of absorption heat pump
Kirkwood gaps (Kirkwood): The gaps in the asteroid belt, caused by the resonance effects from Jupiter. Similar gaps are also exists in Saturn's rings, due to the resonance effects of the shepherd moons.
A thermocouple of K type is suddenly exposed to air with temperature of 1273K, Initial temperature was 293 K. Calculate the time needed for the thermocouple read the temperature with accuracy of better that 99%. Ignore radiation and conduction. The measuring element has a ball shape of diameter o
Calculate the hot and cold temperature after 25 orbits. Assume a 100kg spherical spacecraft made of aluminum. Assume that the spacecraft is in an equatorial orbit. How is calculation 1 different for a spacecraft in a 90 degree (polar) orbit?
18,76,764
1927246 Asked
3,689
Active Tutors
1411887
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!