ASTM ACI Concrete Strength Testing
Lab Technician 2025/2026 Exam
Questions and Answers | 100% Solved
C617 - 🧠ANSWER ✔✔ASTM Standard dealing with proper capping
methods
Planeness and Perpendicularity - 🧠ANSWER ✔✔The procedure for
capping enables concrete cylinders to meet the standard's requirements for
____ and ____
plates, alignment, melting - 🧠ANSWER ✔✔equipment needed for the
capping process include ____, ____ devices, and ____ pots
glass, metal, granite, diabase - 🧠ANSWER ✔✔Plates for neat cement and
high-strength gypsum plaster caps should be made of ____, ____, ____, or
____
metal or stone - 🧠ANSWER ✔✔Sulfur mortar cap plates should be formed
against _____ or _____
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,.5 - 🧠ANSWER ✔✔The purpose of the guide bar or bullseye level is that
caps remain perpendicular to the axis of the cylinder within _____ degrees
peripheral heating - 🧠ANSWER ✔✔to avoid accidents during reheating, use
melting pots that have _____ _____
Neat Cement Paste - 🧠ANSWER ✔✔The technician should use a stiff layer
of _____ to cap fresh concrete cylinders.
high strength gypsum paste, neat cement paste or sulfur mortar -
🧠ANSWER ✔✔Hardened concrete cylinders should be capped with _____
_____ _____ _____, _____ _____ _____, or _____ _____.
False- They are not suitable - 🧠ANSWER ✔✔Plaster of Paris and Portland
Cement are examples of suitable high-strength plasters. True or False?
5000 psi or 35 MPa or the cylinder's strength - 🧠ANSWER ✔✔Sulfur
mortars and high strength gypsum cement cubes must demonstrate a
minimum compressive strength of _____ or _____; whichever is greater.
2 to 4, setting - 🧠ANSWER ✔✔The cement paste should be applied to the
freshly molded cylinders from _____ to ______ hours after molding. This is
to allow ______ of the concrete specimen.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
, a, b, d - 🧠ANSWER ✔✔The strength of the cement paste depends on:
Choose all that apply:
a) water-cement ratio
b) time
c) equipment used
d) type of cement
excess paste, voids - 🧠ANSWER ✔✔A slight twisting motion will help
eliminate _____ and air _____ when the capping plate is placed onto the
mound of paste.
shrink, crack - 🧠ANSWER ✔✔Neat cement paste caps should not be used
on dry specimens because the caps may _____ and _____ when dry.
oily, waxing - 🧠ANSWER ✔✔The technician should remove all _____ or
_____ materials from the ends of hardened concrete cylinders before
capping
Empty, 5 - 🧠ANSWER ✔✔_____ the pot and recharge with fresh material at
intervals to ensure that the oldest material in the pot has not been used
more than _____ times.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
Lab Technician 2025/2026 Exam
Questions and Answers | 100% Solved
C617 - 🧠ANSWER ✔✔ASTM Standard dealing with proper capping
methods
Planeness and Perpendicularity - 🧠ANSWER ✔✔The procedure for
capping enables concrete cylinders to meet the standard's requirements for
____ and ____
plates, alignment, melting - 🧠ANSWER ✔✔equipment needed for the
capping process include ____, ____ devices, and ____ pots
glass, metal, granite, diabase - 🧠ANSWER ✔✔Plates for neat cement and
high-strength gypsum plaster caps should be made of ____, ____, ____, or
____
metal or stone - 🧠ANSWER ✔✔Sulfur mortar cap plates should be formed
against _____ or _____
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
1
,.5 - 🧠ANSWER ✔✔The purpose of the guide bar or bullseye level is that
caps remain perpendicular to the axis of the cylinder within _____ degrees
peripheral heating - 🧠ANSWER ✔✔to avoid accidents during reheating, use
melting pots that have _____ _____
Neat Cement Paste - 🧠ANSWER ✔✔The technician should use a stiff layer
of _____ to cap fresh concrete cylinders.
high strength gypsum paste, neat cement paste or sulfur mortar -
🧠ANSWER ✔✔Hardened concrete cylinders should be capped with _____
_____ _____ _____, _____ _____ _____, or _____ _____.
False- They are not suitable - 🧠ANSWER ✔✔Plaster of Paris and Portland
Cement are examples of suitable high-strength plasters. True or False?
5000 psi or 35 MPa or the cylinder's strength - 🧠ANSWER ✔✔Sulfur
mortars and high strength gypsum cement cubes must demonstrate a
minimum compressive strength of _____ or _____; whichever is greater.
2 to 4, setting - 🧠ANSWER ✔✔The cement paste should be applied to the
freshly molded cylinders from _____ to ______ hours after molding. This is
to allow ______ of the concrete specimen.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
2
, a, b, d - 🧠ANSWER ✔✔The strength of the cement paste depends on:
Choose all that apply:
a) water-cement ratio
b) time
c) equipment used
d) type of cement
excess paste, voids - 🧠ANSWER ✔✔A slight twisting motion will help
eliminate _____ and air _____ when the capping plate is placed onto the
mound of paste.
shrink, crack - 🧠ANSWER ✔✔Neat cement paste caps should not be used
on dry specimens because the caps may _____ and _____ when dry.
oily, waxing - 🧠ANSWER ✔✔The technician should remove all _____ or
_____ materials from the ends of hardened concrete cylinders before
capping
Empty, 5 - 🧠ANSWER ✔✔_____ the pot and recharge with fresh material at
intervals to ensure that the oldest material in the pot has not been used
more than _____ times.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
3
