Review of lecture 2 & 3A

What is the recommended slope of the toilet floor towards the drain?

• 2 %

• 5 %

• 8 %

• 10 %

Why are non-skid surfaces recommended for toilet floors?

• For ease of cleaning

• To enhance the aesthetic appearance
  

• To prevent slipping
  

• To absorb moisture

What is the standard ventilation requirement for toilets?

• 1/10th of the floor area

• 1/15th of the floor area

• 1/20th of the floor area

• 1/25th of the floor area

How many doors are typically recommended for a toilet?

• 1

• 2

• 0

• 3

In which direction should the toilet door swing?

• Inward

• Outward

What additional feature is provided near water closets in hospitals?

• Towel racks

• Mirrors

• Handrails for accessibility

• Air purifiers

What is plumbing primarily concerned with?

• Electrical wiring

• Distribution of gas

• Distribution of water and waste removal

• Structural engineering

Which term describes the energy or pressure loss due to friction as fluid moves through pipes?

• Hydraulic gain

• Velocity head

• Head loss

• Momentum loss

What happens if head loss is significant in a long water pipeline?

• The water freezes

• Additional pumping may be required

• Water pressure increases

• Flow remains unaffected

Which type of head loss occurs due to fittings and valves?

• Major head loss

• Hydraulic head gain

• Minor head loss

• Pressure recovery