Review Test (Lecture 4B & Introduction to water tanks)

Which type of water tank is best for minimizing temperature fluctuations?

• On-ground

• Elevated

• Underground

• Intermediate

What is a significant disadvantage of on-ground water tanks?

• High installation cost

• Aesthetic impact

• Maintenance difficulty

• Inefficiency for fire safety

What is the typical efficiency considered for pump systems?

• 100%

• 80%

• 65%

• 50%

Which material is most vulnerable to UV degradation?

• Concrete

• Steel

• Plastic

• Aluminum

What is a common integration for sustainable water tanks?

• Decorative landscaping

• Graywater recycling systems

• Increased energy demand

• Low-flow pipes

What is the benefit of rooftop water tanks in high-rise buildings?

• No need for pumps

• Discreet installation

• Gravity-fed pressure

• Reduced contamination risk

What is the power output of 1 horsepower in kilowatts?

• 0.6

• 0.746

• 1.0

• 1.2

What opposes water flow in pipes during pumping?

• Wind resistance

• Gravitational acceleration and pipe friction

• Pipe material type

• Temperature gradients

What does the Hazen Williams formula calculate?

• Pipe material strength

• Water velocity in pipelines

• Pump efficiency

• Fire safety measures

How is the filling time of a roof tank typically determined?

• By room dimensions

• As ½ to ¼ of the storage time

• Based on weather conditions

• By number of valves