ACI WRITTEN EXAM SET TWO
QUESTION SET TWO
◉ A container used for the temperature test shall be large enough to
provide at least _____ inch(es) or 3 x NMS of the coarse aggregate as
concrete cover in all directions around the sensing portion of the
temperature measuring device.
A. 1-1/2
B. 3
C. 2
D. 1. Answer: B. 3
◉ A temperature measuring device shall have a capability of
measuring the temperature of freshly mixed concrete in the range of
A. 60 to 80 F
B. 30 to 120 F
C. 0 to 120 F
D. 30 to 80 F. Answer: B. 30 to 120 F
,◉ The temperature measuring device shall have a capability of
measuring the temperature of freshly mixed concrete to _____
degree(s) F
A. ± 1
B. ± 0.5
C. ± 2
D. ± 1.5. Answer: A. ± 1
◉ A composite sample of concrete is required even if the only
purpose for obtaining the sample is to determine temperature.
A. True
B. False. Answer: B. False
◉ Each Temperature Measuring Device used for determining
concrete temperature shall be verified _____ or whenever there is a
question of accuracy
A. once every six months
B. when initial received
C. annually
D. prior to each use. Answer: C. annually
,◉ The temperature of freshly mixed concrete can be measured in
A. transportation equipment
B. forms
C. all of the above
D. an adequate sized container.. Answer: C. all of the above
◉ Submerge the sensing portion of the temperature measuring
device a minimum of _____ inch(es) into the concrete
A. 1
B. 2
C. 3
D. 1-1/2. Answer: C. 3
◉ Concrete is gently pressed up against the temperature measuring
device to close the void created by inserting the TMD in the concrete
and so that ____ does not affect the temperature reading
A. the sun
B. the wind
, C. bleed water
D. ambient (outside) air temperature. Answer: D. ambient (outside)
air temperature
◉ Leave the temperature measuring device in the concrete for at
least _____ minute(s) before taking a reading
A. 3
B. 1
C. 4
D. 2. Answer: D. 2
◉ Assuming the coarse aggregate size is less than 3 inches, read the
temperature of the concrete within _____ minutes after inserting the
TMD
A. 4
B. 5
C. 2
D. 3. Answer: B. 5
◉ The temperature of freshly mixed concrete is read and recorded to
the nearest _____ degree(s) F.
QUESTION SET TWO
◉ A container used for the temperature test shall be large enough to
provide at least _____ inch(es) or 3 x NMS of the coarse aggregate as
concrete cover in all directions around the sensing portion of the
temperature measuring device.
A. 1-1/2
B. 3
C. 2
D. 1. Answer: B. 3
◉ A temperature measuring device shall have a capability of
measuring the temperature of freshly mixed concrete in the range of
A. 60 to 80 F
B. 30 to 120 F
C. 0 to 120 F
D. 30 to 80 F. Answer: B. 30 to 120 F
,◉ The temperature measuring device shall have a capability of
measuring the temperature of freshly mixed concrete to _____
degree(s) F
A. ± 1
B. ± 0.5
C. ± 2
D. ± 1.5. Answer: A. ± 1
◉ A composite sample of concrete is required even if the only
purpose for obtaining the sample is to determine temperature.
A. True
B. False. Answer: B. False
◉ Each Temperature Measuring Device used for determining
concrete temperature shall be verified _____ or whenever there is a
question of accuracy
A. once every six months
B. when initial received
C. annually
D. prior to each use. Answer: C. annually
,◉ The temperature of freshly mixed concrete can be measured in
A. transportation equipment
B. forms
C. all of the above
D. an adequate sized container.. Answer: C. all of the above
◉ Submerge the sensing portion of the temperature measuring
device a minimum of _____ inch(es) into the concrete
A. 1
B. 2
C. 3
D. 1-1/2. Answer: C. 3
◉ Concrete is gently pressed up against the temperature measuring
device to close the void created by inserting the TMD in the concrete
and so that ____ does not affect the temperature reading
A. the sun
B. the wind
, C. bleed water
D. ambient (outside) air temperature. Answer: D. ambient (outside)
air temperature
◉ Leave the temperature measuring device in the concrete for at
least _____ minute(s) before taking a reading
A. 3
B. 1
C. 4
D. 2. Answer: D. 2
◉ Assuming the coarse aggregate size is less than 3 inches, read the
temperature of the concrete within _____ minutes after inserting the
TMD
A. 4
B. 5
C. 2
D. 3. Answer: B. 5
◉ The temperature of freshly mixed concrete is read and recorded to
the nearest _____ degree(s) F.
