Engineering, 03.01.2021 23:30 1230bering
7. Which of the following is a disadvantage of an electromagnet?
You can turn an electromagnet off and on.
Electromagnets are stronger than permanent magnets.
Electromagnets require power to operate.
It is easier to increase the strength of electromagnets.
Answers: 2
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 19:10
Analyze the factors that influence the choice between the following pairs of processes to make the products indicated: i) sand casting versus die casting of an electric-motor housing ii) thread rolling versus machining of a bolt for high-strength application. (co3/c5)
Answers: 3
Engineering, 04.07.2019 19:20
Heat transfer by is the fastest mode of heat transfer that requires no intervening medium. a)-conduction b)-convection c)-radiation d)-conduction and convection
Answers: 1
Engineering, 06.07.2019 03:10
List and describe the attached tools in boxford cnc milling machine? and how many tools were used in your projects explain them?
Answers: 3
7. Which of the following is a disadvantage of an electromagnet?
You can turn an electromagnet off...
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