Asphalt Exam Q&A (56) | Civil Engineering Topics: Bitumen, Viscosity, Mix Design

This document features 56 well-structured exam questions and answers focused on asphalt, tailored for students in Civil Engineering, Construction Technology, Highway Engineering, and Materials Science. It is aligned with the 2025/2026 academic year and offers a robust foundation for mastering asphalt-related topics commonly tested in undergraduate and professional exams. Covered in detail are the chemical and physical properties of asphalt, its production via crude oil distillation, and its classification into cutback, emulsified, air-blown, and straight-run asphalts. The resource explains key technical terms such as viscosity, consistency, and specific gravity, and outlines how asphalt is modified or blended based on climatic needs and structural performance, including Performance Grade (PG) specifications like PG 64-22. Additionally, the material compares Marshall and Superpave mix design methods, details air void requirements in Hot Mix Asphalt (HMA), and discusses essential testing procedures such as the viscosity test and equipment like the Gyratory Compactor. The Q&A format enables quick, targeted review while maintaining comprehensive coverage—ideal for exam prep, course revision, or licensure exams. Recommended for: Civil Engineering undergraduates and diploma students Construction and Highway Engineering students Candidates preparing for FE/PE exams Urban Infrastructure or Materials Science programs with a pavement focus Keywords: asphalt, bitumen, binder, viscosity, PG binder, hot mix asphalt, emulsified asphalt, cutback asphalt, air voids, Marshall mix, Superpave, gyratory compactor, fractional distillation, destructive distillation, aggregate, API gravity, pavement design, softening point, asphalt cement