Quiz (Activity 1 - 13 March 2025 Thursday)

1. What is the formula for calculating pressure? (压强的计算公式是什么？)

2. What unit is commonly used to measure pressure? (压强常用的单位是什么？)

• A) Newton (牛顿)

• B) Joule (焦耳)

• C) Pascal (帕斯卡)

• D) Meter (米)

3. What does hydrostatic pressure depend on? (静水压取决于什么？)

• A) Temperature (温度)

• B) Depth and density (深度和密度)

• C) Area (面积)

• D) Speed (速度)

4. What is Pascal’s Law? (帕斯卡定律是什么？)

• A) Pressure decreases with height (压强随着高度减小)

• B) Pressure applied to a fluid is transmitted equally in all directions (施加于流体的压强会等量地传递到各个方向)

• C) Pressure is dependent on the volume of the container (压强取决于容器的体积)

• D) Pressure only affects liquids, not gases (压强只影响液体，不影响气体)

5. What is the standard atmospheric pressure at sea level? (海平面的标准大气压是多少？)

• A) 10 Pa

• B) 100 kPa

• C) 101.3 kPa

• D) 1 atm

6. How does pressure change with depth in a fluid? (在流体中，压强如何随着深度变化？)

• A) Pressure decreases with depth (压强随着深度减小)

• B) Pressure increases with depth (压强随着深度增加)

• C) Pressure stays the same (压强保持不变)

• D) Pressure fluctuates randomly (压强随机波动)

7. What is the main unit of pressure used in engineering applications? (工程应用中主要使用的压强单位是什么？)

• A) Bar (巴)

• B) Pascal (帕斯卡)

• C) Atmosphere (大气压)

• D) Newton (牛顿)