CM 2112 KAZEMIAN GRADE EXAM 1 (MIDTERM)
QUESTIONS WITH VERIFIED ANSWERS
Butterfly valves are mechanical valves that prevent reverse flow in piping. - Answers - F
"Toughness" is defined as ..... - Answers - Ability of a material to absorb energy and
permanently deform without breaking
(Aggregate production) What is the most common type of jaw crusher? - Answers -
Blake
(Earthwork Planning) A Type 2 differing site condition arises when actual conditions
differ from reasonable expectations. - Answers - T
How can we improve the strength of low-carbon steel when the operating temperature is
greater than 900 F? - Answers - Adding a small amount of Molybdenum (low-alloy steel)
Which of the followings is NOT correct about Radio Frequency Identification (RFID)
technology? - Answers - RFID uses low-energy Bluetooth technology to read a barcode
on the equipment
To allow construction without having to heat the asphalt cement to high temperatures,
two methods have been developed to reduce asphalt cement to a liquid state: -
Answers - Cutbacks and emulsions
On the basis of use, there are two major classifications for piles: - Answers - Sheet and
load-bearing
"Curing" of concrete includes all methods whereby the concrete is ensured.... - Answers
- Adequate time, temperature, and supply of water
Continued hammering after the pile meets refusal, leads to: - Answers - Overdriving
Which one is the correct definition of "pile bent"? - Answers - Two or more piles driven
in a group and fastened together by a cap or bracing
Peristaltic pumps (also known as squeeze pressure pumps) are equipped with
hydraulically powered rollers which rotate on the flexible hose within the drum and
squeeze the concrete out at the top. - Answers - T
If timber piles remain constantly in contact with water (wholly below the water table)
they will deteriorate after a short period of time. - Answers - F
QUESTIONS WITH VERIFIED ANSWERS
Butterfly valves are mechanical valves that prevent reverse flow in piping. - Answers - F
"Toughness" is defined as ..... - Answers - Ability of a material to absorb energy and
permanently deform without breaking
(Aggregate production) What is the most common type of jaw crusher? - Answers -
Blake
(Earthwork Planning) A Type 2 differing site condition arises when actual conditions
differ from reasonable expectations. - Answers - T
How can we improve the strength of low-carbon steel when the operating temperature is
greater than 900 F? - Answers - Adding a small amount of Molybdenum (low-alloy steel)
Which of the followings is NOT correct about Radio Frequency Identification (RFID)
technology? - Answers - RFID uses low-energy Bluetooth technology to read a barcode
on the equipment
To allow construction without having to heat the asphalt cement to high temperatures,
two methods have been developed to reduce asphalt cement to a liquid state: -
Answers - Cutbacks and emulsions
On the basis of use, there are two major classifications for piles: - Answers - Sheet and
load-bearing
"Curing" of concrete includes all methods whereby the concrete is ensured.... - Answers
- Adequate time, temperature, and supply of water
Continued hammering after the pile meets refusal, leads to: - Answers - Overdriving
Which one is the correct definition of "pile bent"? - Answers - Two or more piles driven
in a group and fastened together by a cap or bracing
Peristaltic pumps (also known as squeeze pressure pumps) are equipped with
hydraulically powered rollers which rotate on the flexible hose within the drum and
squeeze the concrete out at the top. - Answers - T
If timber piles remain constantly in contact with water (wholly below the water table)
they will deteriorate after a short period of time. - Answers - F
