Residential Construction Academy: House Wiring (MindTap Course List)
5th Edition
ISBN: 9781337402415
Author: Gregory W Fletcher
Publisher: Cengage Learning
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Chapter 1, Problem 10RQ
To determine
The class of fires that occur in or near electrical equipments.
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A 200-lb block is at rest on a 30° inclined plane. The
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Please explain step by step
Problem 1
=
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Manometers can be used in combination with cardiovascular catheters to measure blood
pressure based on height differences. In the example in Figure 1, the manometer
contains two fluids: water (density p 995 Kg/m³) and mercury (density pm
Kg/m³). The density of blood is p 1,060 Kg/m³. Assume that there is atmospheric
pressure at the interface between mercury and air. The interface between mercury and
water is at z₁ = 7 cm, the interface between water and blood is at Z2 27 cm, and the
tip of the manometer at za 10 cm.
Recall that the fluid statics equation is dp/dz-pg 0, when the z axis is taken
pointing downwards.
a. What is the gauge pressure po at the interface with air, in mmHg? (5 points)
b. Calculate the gauge pressure ps at the tip of the manometer, in mmHg. (5
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N
Z37
blood
ப
Zz
Water
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z
Figure 1. Manometer for blood pressure measurement.
Chapter 1 Solutions
Residential Construction Academy: House Wiring (MindTap Course List)
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