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1) A Carnot engine has a power output of 150 kW. The engine operates between two reservoirs at 20.0C and 500C. How much energy does it absorb per hour?
2) The internal energy in a monatomic ideal gas is 2.00 * 10^4J. The volume of the gas is 2.00 liters. What is the pressure in the gas?
3) A uniform plank with a length of 6.00 m and a mass of 30.0 kg rests horizontally across two horizontal bars of a scaffold. The bars are 4.50 m apart and 1.50 m of the plank hangs over one side of the scaffold. How far can a painter with a mass of 70.0 kg walk on the overhanging part of the plank before it tips?
Wastewater leaving the ACME cheese factory must be neutralized to a pH between 6.8 and 7.2. Citric acid is available to decrease pH and sodium hydroxide is used to increase pH.
A 1 load draws 6 MW at 0.8 power factor lagging. Determine the reactive power required from a parallel capacitor to bring the power factor of the parallel combination up to 0.93
A 150 MVA, 24 kV, 123% three-phase synchronous generator supplies a large network. The network voltage is 27 kV. The generator operates with an induced voltage, which is twice the rated line-to-neutral voltage.
8 bit DAC with a 5 volt reference connects to a light source with an intensity given by Il=45V^(3/2)W/m^2 a. what is the range of intensity that can be produced b. what intensities are produced by digital inputs of 1bh, 7ah,9fh,e5h
A small generator produces 10 C of charge every ten seconds across a potential difference of 100V. What is its power generation in Watts
When communicating with a geostationery satellite from earth,the distance between transmitter and receiver is approximately 35000km.assume that the friis law for free space loss is applicable and the stations have parabolic antennas
A six pole, 400 V d.c. motor draws 110 A from the supply. The shunt field resistance is 200 Ohm and the armature resistance is 0.5 Ohm. The armature is wave wound with 600 conductors operates at a speed of 1200 rev/min when supplying full load.
A constant torque of 5Nm is applied to an unloaded motor at rest attime t = 0. The motor reaches a speed of 1800rpm in 4s. Assumingthe damping to be negligible, calculate the motor inertia.
In code warrior, write a program sequence that places the value in Address $1500 into Accumulator A. Then, AND this value with the value in Address $1501. Save the result in $1502.
Consider the 1D system whose input-output equation is given by g(x) = f(x)*f(x), where * denotes convolution. a) Write an integral expression that gives g(x) as a function of f(x). Hint: Convolution definition
The average intensity of sunlight reaching the earth is 1390W/m2. A charge of 2.38 x 10-8 C is placed in the path of this electromagnetic wave. What is the magnitude of the maximum electric force that the charge experiences
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating with a bandwidth first of 10 MHz
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