Answer Key: Self-Test C-1.5

  1. How much water, in imperial gallons, will a cylindrical tank hold if it is 12″ in diameter and 43″ in height?
    1. 17.56 imp. gal
  2. How many US gallons of water would be required to fill a pool 10 feet in diameter and 2 feet deep?
    1. 1,174.96 US gal
  3. Refer to the horizontal tank in Figure 1 to answer the following questions:
    1. How many imperial gallons would the tank hold when completely full?
      1. 22.05 imp. gal.
    2. How many imperial gallons would the tank hold if it were 80% full?
      1. 17.64 imp. gal.
    3. How much would the water weigh (lbs.) if the tank were 80% full?
      1. 176.43 lb.
  1. A cooling tower basin is 6 m long (20 ft.), 3 m wide (10 ft.) and 450 mm (18 in.) deep.
    1. How many litres would the basin hold when completely full?
      1. 8,100 L
    2. How many US gallons would the basin hold if it were 75% full?
      1. 1,683 US gal.
    3. What would the water weigh (lb.) if the basin were 60% full?
      1. 11,232 lb.
    4. If the manufacturer required a 40:1 ratio of water to corrosion inhibiter added to the basin, how many imperial gallons of inhibitor would be required if the basin were completely full?
      1. 46.8 imp. gal
  1. The capacity of the pipe and tank shown in Figure 2 is
    1. 665 L
  1. After 4,000 US gallons of water were added to a large water tank that was already filled to [latex]\frac{3}{4}[/latex] of its capacity, the tank was then at [latex]\frac{4}{5}[/latex] of its capacity. How many US gallons of water does the tank hold when filled to capacity?
    1. 80,000 US gal.

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Block C: Routine Trade Activities and Electrical Concepts Copyright © 2026 by Skilled Trades BC, TRU Open Press is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License, except where otherwise noted.

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