Set 01 - SPDI - Basic Questionnaire by ARC

What is the process of water supply purification which consists of applying certain chemicals in particles too small to be removed by plain sedimentation?

• Coagulation
• Sedimentation
• Filtration
• Screening

What is the type of water closet prescribed for public toilet?

• Elongated bowl type
• Oval bowl type
• Circular bowl type
• Egg shaped bowl type

What is the type or wrench used in working with plated finish and in place with too small to admit pipe wrench?

• Strap wrench
• Closed wrench
• Open wrench
• Pipe tong

What is that fitting that operates automatically when refilling the water tank after each discharge and shutting off completely when the tank is already full?

• Float valve
• Foot valve
• Pressure regulating Valve
• None of these

Bacteria which has no function in sewage treatment.

• Non-aerobic bacteria

• Pathogenic bacteria
• Facultative bacteria
• Aerobic bacteria

It includes the urea, proteins and amino acids.

• Non-nitrogenous compound
• Odour
• Nitrogenous compound
• All of these

What is that vent pipe in plumbing that serve the building drain and building sewer?

• VSTR
• SVTR
• Yoke vent
• Relief vent

What is that receptacle attached to the plumbing system other than trap on which water or waste may be collected or retained tor ultimate discharge into the drainage?

• Catch basin
• Manhole
• Bleeder
• Scupper drain

How do you connect pump in series?

• Different RMP
• Same gpm
• Same horsepower
• Different pressure

Construction of septic tank should be located at a distance away from the source of water supply to prevent sanitation.

• 15 meters
• 10 meters
• 20 meters
• 5 meters