what he do ?

what he do ?

what happing here ?

1. Which component is used to measure pressure in a piping system? 

it is elbow ?

2. Which valve is used to start or stop the flow of fluid? 

3. Which component is used to connect two pipes with bolts? 

4. Which flexible component allows movement and vibration in piping systems?

5. Which instrument allows operators to visually check the fluid inside the line?

1. Which valve is commonly used for quick opening and closing with a quarter turn? 

2. Which valve is designed to allow flow in one direction only?  it is Plug Valve

3. Which valve is used to protect the system from excessive pressure? 

4. Which valve is used for very precise flow control? 

5. Which valve can direct fluid into three different ports? 

1. Which weld defect appears as small holes or bubbles in the weld metal? 

2. Which weld defect occurs when the weld metal does not properly bond with the base metal? 

3. Which weld defect is characterized by visible fractures in the weld? 

4. Which weld defect happens when molten metal falls through the joint and creates a hole?  it is Burn Through.

5. Which weld defect consists of small metal droplets scattered around the weld area?  

**1.** What is number **1** in the picture?

2.** Which part is called **Concrete support with guide plate**?

3.** What is number **3** used for?

4.** Which number shows the **change route**?

5.** What is the name of number **5**? it is cross

6.** Which part is called **number 6**? it is vent

7.** What is number **7**?

**8.** Which part is the **Riser**?

9.** What is the English word for number **9**? it is pipes cross

10.** Which part is called **Live lines**? give the number is 10