Bundle: Understanding Motor Controls, 4th + Mindtap Electrical, 2 Terms (12 Months) Printed Access Card
4th Edition
ISBN: 9780357097755
Author: Stephen L. Herman
Publisher: Cengage Learning
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Chapter 53, Problem 4RQ
To determine
The function of the control voltage pin 5 when the timer is being used as an oscillator.
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Determine the Mean Effective Pressure (MEP) in [bar] for a 4-cylinder, 2-Stroke engine with a bore of 85.7 mm, and a stroke of 65.8 mm, that produces 85 hP at 5000 rpm. (Hint: Be careful with units). Note: 1 hP = 0.7457 kW; 100 kPa = 1 bar
Ibraheem
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Q3: A boiler as shown in the figure below is producing 2 kg/s saturated steam at 240C. The water
enters the boiler at 24C. The boiler efficiency is 80%. Patm=1.05 bar .Determine: (10 Marks)
1- The inlet pressure of the turbine.
2- If a gauge pressure connected to the outlet pipe, what is the reading of this gauge?
3- Calculate the required diesel in [kg/s]. Assume the calorific value of the diesel is 45000 kJ/kgf
4- Calculate the equivalent evaporation of the boiler
5- Keeping the same inlet conditions and fuel consumption, determine the turbine efficiency if the
produced steam was saturated at 300C.
Steam Cut
Hot Gasses Out
Ts=240C
Boiler
FURNACE
A
Water In
C
24
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Head of Department
Ahmad. A. M. Alsak lani
Chapter 53 Solutions
Bundle: Understanding Motor Controls, 4th + Mindtap Electrical, 2 Terms (12 Months) Printed Access Card
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