What is a beam and what factors determine the maximum load
1.What is a beam? What factors determine the maximum load that it can take without failure?2.What is a column? what factors determine the amount of load that causes it failure and the manner in which it fails? 100 word limit
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At 760 K, 15% of a sample of cyclopropane changes to propene in 6.8 min. What is the half-life of cyclopropane at 760 K?
Calculate the weight of potassium chlorate required to prepare 380mL of wet oxygen collected over water at 20degrees celsius and 750mm of Hg.
A 1.80-g sample of a large biomolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point c
A remote door lock is operated by an electrical relay that requires 10 mA. The relay can be opened by either switch A or B or both. The information from the switches is combined in a logic circuit. The logic levels are 0 to 0.5V for ZERO (0) a
What is a column? what factors determine the amount of load that causes it failure and the manner in which it fails?
Discuss some of the advantages of PLCs over relay logic circuits. How do we decide to use either a PLC or a relay logic circuit for a given control process?
Sodium vapor lamps, used for public lighting, emit yellow light of wavelength 580 nm. How much energy is emitted by an excited sodium atom when it generates a photon? Answer in units of J.
Calculate the total pressure (in atm) of a mixture of 0.0270 mol of helium, He, and 0.0200 mol of oxygen, O2, in a 4-L flask at 20°C. Assume ideal gas behavior.
if a 210 mg piece of gold (density=19.32 b/cm^3) is hammered into a sheep measuring 2.3*10 ft. what is the average thickness of the sheet in meters?
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