Practical 10

These pipes are shown as a series of units consisting of a long dash and two short dashes.

• Vent pipe
• Hot water pipe
• Cold water pipe
• Drain pipe

What pipe is represented on drawings with alternating long and short dashes?

• Cold water pipe
• Drain pipe
• Hot water pipe
• Vent pipe

What pipe is represented by a line consisting of a series of short dashes?

• Vent pipe
• Vacuum pipe
• Drain pipe
• Gas pipe

What is the minimum gauge number of galvanized sheet metal that could be used as a rainwater downspout or conductor if it is to be located on the exterior side of a low-height building?

• Gauge 33
• Gauge 26
• Gauge 24
• Gauge 22

Fixture connections that require the removal of an access panel for servicing are considered

• Not accessible
• Exposed
• Accessible
• Readily accessible

Under what Administrative Order is the Philippine Standard for Drinking Water 2007?

• No. 0012
• No. 0010
• No. 0018

Revised effluent regulation of 1990.

• DENR DAO 36
• DENR DAO 38
• DENR DAO 34
• DENR DAO 35

Any of various chiefly aquatic, eukaryotic, photosynthetic organisms, ranging in size from single-celled forms to giant kelp.

• Protozoan
• Algae
• Plankton
• None

The physical or chemical quality of water that conforms to the appearance, taste, and odor to satisfy consumer's drinking water acceptability.

• Acceptability
• Conformity
• Adequacy
• None

The process of adding the element chlorine to water for disinfection to make it fit for human consumption as drinking water.

• Sedimentation
• Chlorination
• Flocculation
• Agitation