Q1: The maximum load carried by a pile, when it continues to sink without further increase of load, is known as

ANS:D - all the above.

The ultimate load carrying capacity, or ultimate bearing resistance or ultimate bearing capacity Q up is defined as the maximum load which can be carried by a pile and at which the pile continues to sink without further increase of load. Ultimate bearing capacity is related to the soil not to the pile. So, the Answer should be A. Pile always carries loads, so more suitable is the load-carrying capacity of the pile.