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If the uncertainties in temperature and pressure for Prob. 7.49 are ±1.5?F and ±2 kPa, respectively, what is the uncertainty of the billing if the actual volume flow measurement is exact?
Prob. 7.49
A positive-displacement meter is used to measure the flow of methane (CH4) at 20?F and 0.95 atm. Temperature and pressure transducers are installed that feed an electronic circuit, which then indicates the flow in standard cubic feet per minute (ft3/min) for billing a customer. The meter itself senses actual volume flow. What factor must be multiplied by the actual volume flow to give SCFM?
A steel bar is attached to a wood support beam with four 20 mm diameter lag screws. The steel bar is 75-mm-wide by 6-mm-thick. For the steel bar, the yield strength is 260 MPa and the ultimate bearing strength is 350 MPa.
In a right triangle with the hypotenuse c = 10 and the angle A =50 degrees , what is the value of side b ?
A vertical tank of 4.sm2 cross-sectional area is filled with 13.5m3 of water, 9.0m3 0f a fluid with an s.G. of 3.2,6.75;. or oir with an s.G. of 0.85 and 0.9m3 of mercury with an s.G. of 13.s7.
A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.00 Hz. Ignoring the mass of the spring, what is the mass of the fish?
The surface area of clay particles can be determined by measuring the number of adsorbate molecules it takes to form a monolayer. The adsorbate molecules used for these measurements are usually N2 gas, therefore partial pressure "P" is used instea..
How many days would they need to use the equipment each year to justify purchasing the equipment? To purchase equipmet/ Buy at $60,000, Operation and maintanence is $120/day, life is 5 yrs and salvage value is $5000.
A ferric chloride dosage of 40 mg/l and an equivalent dosage of lime are used to coagulate a water.
Determine the power output of the high-pressure turbine. d. Find the ratio of the total power output of the two turbines to the total power delivered by the reactor.
Payments of $1000 are to be made at the end of each year for the next 3 years. What is the present worth of the three payments if interest is 12% compounded monthly? what series of monthly payments would be equivalent to the $1000 year payments?
In the assessment of an old building, a simply supported R.C. beam, with the section shown, spans 7m. The assessed loading is self weight + additional dead load of 12kN/m and live load of 10kN/m.
Name and describe the different simple spatial objects used for representing graphic data in digital form.Which objects are used in raster format representations?
Discuss the type of hardening rule you would use to model the cyclic constitutive behavior of the composite.
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