Final answer:
The CVSA compliant specification for compressor buildup time in an air brake equipped truck is 85-100 psi in 2 minutes or less.
Step-by-step explanation:
For an air brake equipped truck that is CVSA compliant, the specification for compressor buildup time is d) 85-100 psi in 2 minutes or less. This requirement is set to ensure that the air brake system can adequately recover after application and maintain a safe level of operational pressure. Compressor buildup time is a critical factor for the proper functioning and safety of the air brake system on commercial vehicles.