Find the rate of cooling required and the power input
A water cooler for drinking water should cool 1 ft^3/h from 65 F to 50 F using a small refrigeration unit with at COP of 2.5. Find the rate of cooling required and the power input to the unit.
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You are hanging with your hands on a horizontal conducting wire that is immersed over a distance of 1m in a horizontal, transverse magnetic field of 10T. How much current is needed in the wire to hold you up in the field. (Your mass is 70kg. Negle
Using the method of AGMA, calculate the maximum power that can be transmitted based upon the allowable bending fatigue strength, SF = 525 MPa using design factor of 2.
How large a sample should be taken to estimate the true mean coverage of all 1-gallon cans to within (plus/minus) 5 square feet with 95% confidence?
A parallel plate capacitor is immersed in sea water. Find the ratio of RMS conduction current to RMS displacement current if voltage V(t) = Vo Cos(2*pi*f*t) is applied to the capacitor. f = 3 x 10^7 Hz. Sea water has a resistivity of ro = 0.23 ohm
If the no. of people working is 2 standard deviations above the mean, how many standard deviations above or below the mean you expect sales to be? What value of sales does the correspond to?
If the convective heat transfer coefficient is 13.5 W/ m2K, estimate when the beverage will have a temperature of 15degreeC in mins.
A shaft with a diameter of 100 mm rotates at 1500 rpm. A fluid-film bearing is designed to support a 5 kN load. Assume the bearing's L/D ratio is 0.5, and the clearance is 0.5 mil.
In electronic equipment, wires that carry equal but opposite currents are often twisted together to reduce their magnetic effect at distance points. Why is this effective?
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Gender expectations within families and ECEC settings influence children's identity, behaviour, and learning experiences. Educators' beliefs-often shaped
Explain the constructivist approach to teaching. How does it differ from traditional teacher-centered strategies in terms of the roles of the teacher
Damon: From the moment I saw you, I saw a light in you-light you wear like armor, that spills over everything you touch, shielding people who don't even know
Reply to this: Which instruments are used in the classroom where you observe or work? In the classrooms I have observed, teachers use formal and informal assess
How might a social worker approach assessment and intervention with an individual client experiencing a major life transition such as divorce,
Question 1: Identify the core DSM-5-TR diagnostic criteria for schizophrenia.
You have a new student who has just arrived from Nigeria. Which of the following might you see in this student when she joins your class?