Civil Engineering World

Q: What does CLSM stand for?

A) Concrete Low Strength Mix
B) Controlled Lightweight Structural Material
C) Controlled Low Strength Material
D) Cement Low Strength Mortar

Q: Required compaction for sub-base and base course shall be:

A) 90% and 95%
B) 95% and 98%
C) 95% and 100%
D) 98% and 100%

Q: For cohesionless soil, relative density is determined by:
(Reference: ASTM D4253 / ASTM D4254)

A) (e_{max}-e_{min})/e
B) (e_{max}-e)/(e_{max}-e_{min})
C) (e-e_{min})/(e_{max}-e_{min})
D) (e_{max}+e_{min})/e

General fill material shall be placed in lift thickness not exceeding:

A) 150 mm
B) 200 mm
C) 250 mm
D) 300 mm