ACI CONCRETE BUNDLED EXAMS
COMPLETE QUESTIONS AND ANSWERS
WITH FULL SOLUTIONS VERIFIED
⩥ The sensor of the temperature measuring device shall be submerged a
minimum of ______ inches into the freshly mixed concrete..
Answer: 3"
⩥ The temperature measuring device shall have a capacity of measuring
temperature of freshly mixed concrete to ± ______ °F throughout a
range of ____________..
Answer: 1 degree, 30 degrees to 120 degrees
⩥ The temperature measuring device shall be calibrated ______ , or
whenever there is a question of ______ ..
Answer: Annually, accuracy
⩥ The temperature of concrete may be measured in a wheelbarrow. True
or False?.
Answer: True
⩥ The temperature of concrete may be measured in a wall form. True or
False?.
,Answer: True
⩥ What must be done to the sample container prior to sampling the
concrete?.
Answer: Dampen with water
⩥ What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in the fresh concrete?.
Answer: Close off air voids by gently pressing the concrete around the
device
⩥ How long must the temperature measuring device remain in the
freshly mixed concrete?.
Answer: minimum of two minutes, maximum of five minutes
⩥ The temperature of the concrete is reported to the nearest ______ °F.
Answer: 1 degree
⩥ A maximum temperature of freshly mixed concrete is specified in
ASTM C1064. True or False?.
Answer: False
⩥ ASTM C172.
, Answer: Standard Practice for Sampling Freshly Mixed Concrete
⩥ Sampling by this method is required when tests are to be made to
determine _____ with specification requirements..
Answer: Compliance
⩥ This method covers sampling from four types of mixers, which are
_____ , _____ , _____ , and _____ ..
Answer: Stationary mixers, paving mixers, revolving drum mixers and
open top mixers
⩥ The maximum allowable time between obtaining the first and final
portions of a composite sample is _____ minutes..
Answer: 15
⩥ Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. True or False?.
Answer: True
⩥ The maximum elapsed time allowed between obtaining the final
portion of the composite sample and beginning the tests for slump,
temperature, and air content is _____ minutes..
Answer: 5
COMPLETE QUESTIONS AND ANSWERS
WITH FULL SOLUTIONS VERIFIED
⩥ The sensor of the temperature measuring device shall be submerged a
minimum of ______ inches into the freshly mixed concrete..
Answer: 3"
⩥ The temperature measuring device shall have a capacity of measuring
temperature of freshly mixed concrete to ± ______ °F throughout a
range of ____________..
Answer: 1 degree, 30 degrees to 120 degrees
⩥ The temperature measuring device shall be calibrated ______ , or
whenever there is a question of ______ ..
Answer: Annually, accuracy
⩥ The temperature of concrete may be measured in a wheelbarrow. True
or False?.
Answer: True
⩥ The temperature of concrete may be measured in a wall form. True or
False?.
,Answer: True
⩥ What must be done to the sample container prior to sampling the
concrete?.
Answer: Dampen with water
⩥ What must be done to the concrete surrounding the temperature
measuring device after the device is submerged in the fresh concrete?.
Answer: Close off air voids by gently pressing the concrete around the
device
⩥ How long must the temperature measuring device remain in the
freshly mixed concrete?.
Answer: minimum of two minutes, maximum of five minutes
⩥ The temperature of the concrete is reported to the nearest ______ °F.
Answer: 1 degree
⩥ A maximum temperature of freshly mixed concrete is specified in
ASTM C1064. True or False?.
Answer: False
⩥ ASTM C172.
, Answer: Standard Practice for Sampling Freshly Mixed Concrete
⩥ Sampling by this method is required when tests are to be made to
determine _____ with specification requirements..
Answer: Compliance
⩥ This method covers sampling from four types of mixers, which are
_____ , _____ , _____ , and _____ ..
Answer: Stationary mixers, paving mixers, revolving drum mixers and
open top mixers
⩥ The maximum allowable time between obtaining the first and final
portions of a composite sample is _____ minutes..
Answer: 15
⩥ Portions of a composite sample shall be thoroughly remixed before
beginning tests on the sample. True or False?.
Answer: True
⩥ The maximum elapsed time allowed between obtaining the final
portion of the composite sample and beginning the tests for slump,
temperature, and air content is _____ minutes..
Answer: 5
