An alloy to be used for a spring application must have a modulus resilience of at least 0.72 * 106 J/m3 (0.72 * 106 Pa). What must be its minimum yield strength (in MPa) ? Assume that the modulus of elasticity for this alloy is 101 GPa.

A light bulb is switched on and within a few minutes its temperature becomes constant. Is it at equilibrium or steady state.

A piston-cylinder device containing carbon dioxide gas undergoes an isobaric process from 15 psia and 80°F to 170°F. Determine the work and the heat transfer associated with this process, in Btu/lbm.

An inventor claims that he wants to build a dam to produce hydroelectric power. He correctly realizes that civilization uses a lot more electricity during the day than at night, so he thinks he has stumbled upon a great untapped energy supply.

Are rocks renewable or nonrenewable

Explain the mechanical property issues that could be caused if pressure is not correctly controlled in Injection Molding process.

A steel with 1.0 % carbon is known as which one of the following: (a) eutectoid, (b) hypoeutectoid, (c) hypereutectoid, or (d) wrought iron?

A transistor can not be used as a Select one variable resistor switching device regulator tuning device

Where might you find recommendation engines at work?

Just getting to your class is enough for showing up. A) True B) False

A completely reversible heat pump produces heat at a rate of 100 kW to warm a house maintained at 25℃. The exterior air, which is at 0℃, serves as the source.