CM 1112 LSU Exam 2
(Stephanie Heumann) 2026
Exam Questions and Correct
Answers | New Update
T/F: Dry-press process uses IDRW porosity clays. - ANSWER
✔✔True
T/F: Column forms always require form ties. - ANSWER ✔✔False
T/F: Efflorescence may suddenly appear on masonry wall after it is built.
This is an indication of faulty construction. - ANSWER ✔✔False
,T/F: Precast elements are sometimes joined together using gravity. -
ANSWER ✔✔True
T/F: Bricks shrink considerably during drying and firing. - ANSWER
✔✔True
T/F: Concrete strength is specified by a compressive strength at 28
days. - ANSWER ✔✔True
T/F: Precast elements may be reinforced by pre-stressing or
conventional reinforcing, but never a combination of the two. -
ANSWER ✔✔False
T/F: Insulating Concrete Forms become a permanent part of the
structure. - ANSWER ✔✔True
T/F: Double T precast slabs are hard to handle due to their tipping
issues. - ANSWER ✔✔False
T/F: A composite masonry wall is named because it features an outer
wythe of stone or brick and an interior wythe of CMU's. - ANSWER
✔✔True
T/F: The minimum recommended cavity depth is 2 feet. - ANSWER
✔✔False
, T/F: Pre-stressing tensions the steel and places the concrete in
compression, giving a more efficient structural member. - ANSWER
✔✔True
T/F: Compared to site-cast concrete, pre-cast concrete erection is faster.
- ANSWER ✔✔True
T/F: Mortar seals joints between the masonry units. - ANSWER
✔✔True
T/F: Stone masonry can be set/stacked without mortar. - ANSWER
✔✔True
T/F: Post tensioning reduces the necessary depth of a structure and
helps reduce cracking. - ANSWER ✔✔True
T/F: Every construction site ______________ excavation. - ANSWER
✔✔True
T/F: Fully precast high-___________________ in modern construction. -
ANSWER ✔✔False
T/F: Hollow core slabs may be produced by direct extrusion. -
ANSWER ✔✔True
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
(Stephanie Heumann) 2026
Exam Questions and Correct
Answers | New Update
T/F: Dry-press process uses IDRW porosity clays. - ANSWER
✔✔True
T/F: Column forms always require form ties. - ANSWER ✔✔False
T/F: Efflorescence may suddenly appear on masonry wall after it is built.
This is an indication of faulty construction. - ANSWER ✔✔False
,T/F: Precast elements are sometimes joined together using gravity. -
ANSWER ✔✔True
T/F: Bricks shrink considerably during drying and firing. - ANSWER
✔✔True
T/F: Concrete strength is specified by a compressive strength at 28
days. - ANSWER ✔✔True
T/F: Precast elements may be reinforced by pre-stressing or
conventional reinforcing, but never a combination of the two. -
ANSWER ✔✔False
T/F: Insulating Concrete Forms become a permanent part of the
structure. - ANSWER ✔✔True
T/F: Double T precast slabs are hard to handle due to their tipping
issues. - ANSWER ✔✔False
T/F: A composite masonry wall is named because it features an outer
wythe of stone or brick and an interior wythe of CMU's. - ANSWER
✔✔True
T/F: The minimum recommended cavity depth is 2 feet. - ANSWER
✔✔False
, T/F: Pre-stressing tensions the steel and places the concrete in
compression, giving a more efficient structural member. - ANSWER
✔✔True
T/F: Compared to site-cast concrete, pre-cast concrete erection is faster.
- ANSWER ✔✔True
T/F: Mortar seals joints between the masonry units. - ANSWER
✔✔True
T/F: Stone masonry can be set/stacked without mortar. - ANSWER
✔✔True
T/F: Post tensioning reduces the necessary depth of a structure and
helps reduce cracking. - ANSWER ✔✔True
T/F: Every construction site ______________ excavation. - ANSWER
✔✔True
T/F: Fully precast high-___________________ in modern construction. -
ANSWER ✔✔False
T/F: Hollow core slabs may be produced by direct extrusion. -
ANSWER ✔✔True
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2026. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
