Plumbing Knowledge Quarter 1

What do you call a person who installs and repairs the pipes and fittings of water supply, sanitation, or ventilating systems?

• bartender

• plumber

• installer

• welder

Which of the following determines the process of supplying water in the plumbing system?

• water system

• sanitary system

• unsanitary system

• ventilating system

Which of the following determines the process of removing wastewater in the plumbing system?

• water system

• sanitary system

• unsanitary system

• ventilating system

How does a plumber contribute to water conservation efforts?

• By providing landscaping services to water usage in gardens.

• By repairing leaks promptly and installing water-efficient fixtures.

• By promoting water usage without restrictions to raise awareness.

• By painting roofs white to reduce heat absorption and water evaporation.

What type of lines have long-short-short-long lines used to display the movement of an object or part in opposite positions?

• break line

• phantom line

• hidden line

• section line

What type of line is used to show edges, surfaces, and corners of an object which cannot be seen?

• center line

• phantom line

• hidden line

• section line

Which type of line is used to represent the center of symmetrical objects in technical drawings?

• center line

• phantom line

• hidden line

• section line

How does the choice of lines affect the readability and interpretation of a technical drawing?

• It has no impact on readability.

• It only matters for artistic drawings.

• It can make the drawing more colorful.

• It ensures the drawing is clear and easy to understand.

What is the consequence of using visible lines to represent hidden features in a technical drawing?

• It makes the drawing look more detailed.

• It accurately represents hidden features.

• It can mislead the builder or manufacturer.

• It improves the overall aesthetics of the drawing.

What type of piping projection illustrates the front view, the side view, and the top or plan view of an object?

• isometric

• odometers

• orthographic

• orthogeriatric