North Carolina General Contractors Practice Exam

Type III Portland cement is known for its properties that facilitate quicker construction times, particularly in situations where forms must be removed shortly after pouring. This cement variant is formulated to achieve high early strength, making it ideal for projects requiring prompt load-bearing capability. Due to this characteristic, it is also commonly utilized in cold weather construction where rapid strength gain is essential.

The option regarding low heat of hydration is not applicable to Type III. Instead, Type III cement generates a higher amount of heat during the hydration process due to its rapid strength gain characteristics. This means that it is more suitable in applications where early strength is desired, rather than being associated with a low heat of hydration.

Additionally, Type III typically maintains a normal setting time, allowing it to be manageable for standard construction practices while still delivering its primary benefit of early strength gain. This balance makes it a preferred choice for certain projects that need to adhere to tight timelines.