NICET LEVEL 2 IN HIGHWAY CONSTRUCTION 2024 EXAM QUESTIONS WITH VERIFIED CORRECT ANSWERS || ALREADY GRADED A+ <UPDATED VERSION>
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NICET LEVEL 2 IN HIGHWAY CONSTRUCTION
Institution
NICET LEVEL 2 IN HIGHWAY CONSTRUCTION
NICET LEVEL 2 IN HIGHWAY
CONSTRUCTION 2024 EXAM
QUESTIONS WITH VERIFIED CORRECT
ANSWERS || ALREADY GRADED A+
<UPDATED VERSION>
What equipment is used to drive piles? - ANSWER 1. Gravity
Hammers
2. Open-end and closed end - diesel hammers
3. Air and steam hammers
4. hydraulic Ham...
NICET LEVEL 2 IN HIGHWAY
CONSTRUCTION 2024 EXAM
QUESTIONS WITH VERIFIED CORRECT
ANSWERS || ALREADY GRADED A+
<UPDATED VERSION>
What equipment is used to drive piles? - ANSWER ✔ 1. Gravity
Hammers
2. Open-end and closed end - diesel hammers
3. Air and steam hammers
4. hydraulic Hammers
What is the wave equation for driving piles? - ANSWER ✔ between 2
and 10 blows per inch
When pre-boring when should you stop? - ANSWER ✔ within 5 feet of
estimated pile tip
When do you check pile alignment? - ANSWER ✔ before the last 5' of
the pile is driven
The axial alignment should be within how many inches of the
longitudinal axis, when driving piles? - ANSWER ✔ within 1/4" per
foot
What timber piles should not be used? - ANSWER ✔ When checks
cracks are wider than 1/2"
, How many splices per pile is allowed? - ANSWER ✔ 2 spices
What length of splice is not allowed? - ANSWER ✔ less than 10'
What length is allowed for non spliced piles? - ANSWER ✔ 60'
When should precast piles be rejected? - ANSWER ✔ When cracks,
spalls, or internal defects are visible
What is spalling? - ANSWER ✔ Breakdown of concrete via natural
weathering or chemical reaction
What is concrete honey combing? - ANSWER ✔ Defect in concrete
caused in insufficient consolidation
What is concrete scaling? - ANSWER ✔ Flaking or peeling of hard
concrete caused by freeze/thaw
how long should pre-cast piles be left in their forms? - ANSWER ✔ no
less than 7 days
What is the dynamic load test? - ANSWER ✔ Method to assess a pile
bearing capacity by applying a load onto pile head
When does dynamic load test start? - ANSWER ✔ 24 hours after pile
has been driven
What are the requirements for the dynamic load test? - ANSWER ✔
Redrive pile for a maximum of 3" and a maximum of 20 blows or
refusal
What is the static load test? - ANSWER ✔ Measures the response of the
pile under applied load
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