Q1.A. A square block of (250 mm) side and weighing (1.1 kN) on an edge slides down an incline on a film of oil (0.006 mm) thick, as shown in figure. Assuming a linear velocity profile in the oil, what is the terminal speed of the block? The viscosity of the oil is (0.007 Pa.sec). 11 kN 0.0060mm B. Select one option for the following questions: 1-The quantity of pressure below the atmospheric pressure is called: a-Absolute pressure, b-Gauge pressure, c- Vacuum pressure, d-Mechanical pressure 2-The unit of dynamic viscosity in (SI) system is :
Q1.A. A square block of (250 mm) side and weighing (1.1 kN) on an edge slides down an incline on a film of oil (0.006 mm) thick, as shown in figure. Assuming a linear velocity profile in the oil, what is the terminal speed of the block? The viscosity of the oil is (0.007 Pa.sec). 11 kN 0.0060mm B. Select one option for the following questions: 1-The quantity of pressure below the atmospheric pressure is called: a-Absolute pressure, b-Gauge pressure, c- Vacuum pressure, d-Mechanical pressure 2-The unit of dynamic viscosity in (SI) system is :
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:ANSWER FOUR QUESTIONS ONLY. THE QUESTIONS WITH EQUAL MARKES AND WITH ONE CHART.
Q1.A. A square block of (250 mm) side and weighing (1.1 kN) on an edge slides down an incline on a film of oil
(0.006 mm) thick, as shown in figure. Assuming a linear velocity profile in the oil, what is the terminal speed of the
block? The viscosity of the oil is (0.007 Pa.sec).
11 kN
0.0060mm
B. Select one option for the following questions:
1-The quantity of pressure below the atmospheric pressure is called:
a-Absolute pressure, b-Gauge pressure, c- Vacuum pressure, d-Mechanical pressure
2-The unit of dynamic viscosity in (SI) system is:
a-N.Sec.m2, b-N.Sec.m1, c-N.Sec-2m-2, d-N.Sec-¹m²
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