The cross section of the rectangular ring in Figure P11.15 is 12 in. × 8 in. Draw the moment and shear curves for the ring; E = 3000 kips/in. 2 .


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The subsequent problems deal with the circuit below where R1 = R2 = R.When the transistor is in cutoff the voltage at the emitter of the transistor (relative to ground) is

A. 0.7 V B. Vout C. 0.2 V D. Vin E. 0 V

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Most nitrogen leaching to groundwater is in the form of ammonium

Indicate whether the statement is true or false

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What types of system access valves do commercial refrigeration systems usually have?

A) Shrader valves on the compressor suction and discharge and on the liquid receiver B) A process stub on the compressor C) Shrader valves on the suction line and liquid line D) Manual valves on the compressor suction and discharge and on the liquid receiver

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Find the estimated emissions listed below for an Uncontrolled (Post-NSPS) Large Wall-fired Boiler natural gas cogeneration facility that burns 500 million standard cubic feet (scf) of natural gas per year. Use the EPA’s AP-42 (Volume 1, 5th ed.) Chapter 1: External Combustion Sources Emission Factors for Natural Gas Combustion.

a. Tons of NOx emitted per year b. Tons of CO emitted per year What will be an ideal response?

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