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Many industrial plants generate their own steam. The boiler cannot be operated so as to respond immediately to demand fluctuations and it is convenient to use an accumulator in the steam supply system. This simply a large tank in which steam can be stored when demand is low and withdrawn when demand is high. In this particular plant the accumulator has a volume of 10 m3 and is initially two thirds full of water at 80 oC. How much steam saturated at 15 bar can be stored? After the accumulator is fully loaded with the 15 bar steam, how much steam at 5 bar can be withdrawn?
115 g of glass beads, originally at a temperature of 75.0 oC, are added to 85.0 g of ethyl alcohol which is at a temperature of -50.0 oC. find the temperature of the mixture when thermal equilibrium is reached
A slab of copper of thickness b = 2.273 mm is thrust into a parallel-plate capacitor of C = 1.00×10-11 F of gap d = 10.0 mm, What is the capacitance after the slab is introduced
q1. consider the gas consisting of a large number of non-interacting particles in which energy of each particle can
A 5.0 kg box is pushed with a force of 12N across a smoothfloor for a distance of 10 meter. Calculate the total work done on the box
a 12oz can of coke contains 39 grams of sugar. you pour 5oz of coke into a glass. give an interpretation if there is
The intensity of an electromagnetic wave is 8 x 10^7 W/m^2. What is the amplitude of the magnetic field of this wave
A 0.940 kg block slides on a frictionless horizontal surface with aspeed of 1.70 m/s. The bock encounters an unstretched springwith a force constant of 260 N/m. Find the total time ofcontact with the spring before the block comes to rest.
Three blocks of mass 2.0 kg, 8.0kg, and 15.0 kg are connected by light strings passing over frictionless pulleys. find its acceleration and the tensions in the strings
question a metal sphere is insulated electrically and is given a charge. if 25 electrons areadded to the sphere in
Determine the capacitance of a Teflon-filled parallel-plate capacitor having a plate area of 1.50 cm2 and insulation thickness of 0.0700 mm
An archer lines up an arrow on the horizontal exactly dead center on a target as drawn in the figure below. How long was the arrow in the air before striking the target
One gallon of gasoline releases approximately 1.0 108 J when it is "burned" (i.e., undergoes combustion) in a car engine. what is the mechanical work done by the engine
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