Preview Questions Plumber | Role Specific Skill

Question 1: What is the typical function of a reducing elbow in a pipe fitting system?

Which action should you take?

Choose only one option

To prevent thermal expansion of pipes

To change the direction of flow within the pipe system

To connect pipes of different sizes

To connect pipes at right angles

Question 2: What method is used to detect leaks in a pressurized steam system?

Which action should you take?

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Tracer gas injection

Use of ultrasonic sensors

Hydrostatic testing

Visual inspection under UV light

Question 3: When using compression fittings for joining copper pipes, what is a common problem that may arise if not done correctly?

Which action should you take?

Choose only one option

Difficulty in installing the fitting

Leaks due to improper tightening

Failure to meet pressure standards

Incompatibility with certain chemicals

Question 4: What is the key advantage of using a manometer for leak detection?

Which action should you take?

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It is ideal for detecting leaks in underground pipes

It can detect small leaks in gas systems

It can directly identify the leak location

It provides accurate readings of pressure drops

Question 5: When using tracer gases for detecting leaks in a building's gas system, what is the main challenge in accurately locating the leak?

Which action should you take?

Choose only one option

Identifying the proper concentration of the gas for detection

Preventing the gas from leaking out of the testing system

Ensuring the gas is non-toxic

Ensuring that the tracer gas reaches the leak area

Question 6: In pipe fitting, what is the main risk when using threaded joints for high-pressure gas systems?

Which action should you take?

Choose only one option

Thread failure due to vibration

Improper torque leading to leakage

Corrosion at the joint

Cracking of the pipe