PTI Level 1 & 2 Exam Questions With
Correct Answers
1. |According |to |PTI |Specifications, |what |is |the |allowable |tolerance |for |the |measurement |of |
elongations |in |an |elevated |(structural) |slab?
a. |±5%
b. |±7%
c. |±10%
d. |It |doesn't |matter |as |long |as |the |tendons |were |stressed |to |the |correct |gauge |pressure. |- |
CORRECT |ANSWER✔✔-b. |±7%
2. |The |recommended |space, |"Y" |between |tendon |bundles |in |a |beam |is.
a. |4in.
b. |1.5 |in.
c. |1 |in.
d. |0.5. |- |CORRECT |ANSWER✔✔-b. |1.5 |in.
3. |What |is |the |minimum |number |of |integrity |tendons |required |in |each |direction |over |columns |
in |a |flat |slab?
a. |One
b. |Two
c. |Three
,d. |There |is |no |minimum |requirement. |- |CORRECT |ANSWER✔✔-b. |Two
4. |In |an |encapsulated |system, |how |much |bare |strands |is |acceptable |behind |stressing |
anchorage?
a. |None
b. |½" |maximum
c. |6" |maximum
d. |It |does |not |matter. |- |CORRECT |ANSWER✔✔-a. |None
5. |Longitudinal |cracking |of |wedges |may |occur |and |is |acceptable |as |a |result |of |wedges |moving |
to |their |final |wedge |set |position.
a. |True
b. |False |- |CORRECT |ANSWER✔✔-a. |True
6. |What |should |be |done |when |the |beam |stirrup |spacing |does |not |match |the |PT |support |bar |
spacing?
a. |Move |the |support |bar |to |the |nearest |stirrup |location |and |adjust |the |vertical |height |so |that |
a |smooth |tendon |profile |is |maintained, |add |additional |support |bars |at |other |stirrup |locations |
if |needed |so |a |maximum |allowable |support |spacing |is |not |exceeded.
b. |Change |the |spacing |of |the |beam |stirrup |to |match |the |support |bar |spacing.
c. |Do |not |proceed |with |installation |until |further |instructions |are |received.
d. |None |of |the |above. |- |CORRECT |ANSWER✔✔-a. |Move |the |support |bar |to |the |nearest |stirrup
|location |and |adjust |the |vertical |height |so |that |a |smooth |tendon |profile |is |maintained, |add |
additional |support |bars |at |other |stirrup |locations |if |needed |so |a |maximum |allowable |support |
spacing |is |not |exceeded.
, 7. |When |installing |tendons |in |a |narrow |joist:
a. |It |is |important |to |avoid |excessive |wobble |in |tendons |that |could |lead |to |concrete |blowouts. |
b. |Tendon |placement |is |not |critical |since |there |is |only |one |tendon |in |each |joist.
c. |It |is |important |to |check |for |any |reverse |curvature |in |a |tendon |profile |to |avoid |problems.
d. |Both |A |and |C. |- |CORRECT |ANSWER✔✔-a. |It |is |important |to |avoid |excessive |wobble |in |
tendons |that |could |lead |to |concrete |blowouts.
8. |Of |the |following, |what |is |the |most |important |thing |a |contractor |must |do |when |field |
installing |a |fixed-end |anchor?
a. |Firmly |hammer |the |wedges |into |the |back |of |the |anchor.
b. |Grease |the |wedges |before |installing |them |in |the |anchor |to |reduce |friction.
c. |Stress |the |anchor |to |the |full |required |jacking |force.
d. |None |of |the |above. |- |CORRECT |ANSWER✔✔-d. |None |of |the |above.
9. |The |hydraulic |pump |can |be |interchanged |without |re-calibrating |the |stressing |equipment.
a. |True
b. |False |- |CORRECT |ANSWER✔✔-a. |True
10. |If |elongations |are |out |of |tolerance:
a. |Report |to |the |LDP |and |wait |for |further |direction.
b. |If |elongations |are |low, |continue |stressing |to |a |higher |gauge |pressure |until |the |reported |
elongation |is |attained.
c. |Cut |off |tendon |tails |during |the |same |shift.
Correct Answers
1. |According |to |PTI |Specifications, |what |is |the |allowable |tolerance |for |the |measurement |of |
elongations |in |an |elevated |(structural) |slab?
a. |±5%
b. |±7%
c. |±10%
d. |It |doesn't |matter |as |long |as |the |tendons |were |stressed |to |the |correct |gauge |pressure. |- |
CORRECT |ANSWER✔✔-b. |±7%
2. |The |recommended |space, |"Y" |between |tendon |bundles |in |a |beam |is.
a. |4in.
b. |1.5 |in.
c. |1 |in.
d. |0.5. |- |CORRECT |ANSWER✔✔-b. |1.5 |in.
3. |What |is |the |minimum |number |of |integrity |tendons |required |in |each |direction |over |columns |
in |a |flat |slab?
a. |One
b. |Two
c. |Three
,d. |There |is |no |minimum |requirement. |- |CORRECT |ANSWER✔✔-b. |Two
4. |In |an |encapsulated |system, |how |much |bare |strands |is |acceptable |behind |stressing |
anchorage?
a. |None
b. |½" |maximum
c. |6" |maximum
d. |It |does |not |matter. |- |CORRECT |ANSWER✔✔-a. |None
5. |Longitudinal |cracking |of |wedges |may |occur |and |is |acceptable |as |a |result |of |wedges |moving |
to |their |final |wedge |set |position.
a. |True
b. |False |- |CORRECT |ANSWER✔✔-a. |True
6. |What |should |be |done |when |the |beam |stirrup |spacing |does |not |match |the |PT |support |bar |
spacing?
a. |Move |the |support |bar |to |the |nearest |stirrup |location |and |adjust |the |vertical |height |so |that |
a |smooth |tendon |profile |is |maintained, |add |additional |support |bars |at |other |stirrup |locations |
if |needed |so |a |maximum |allowable |support |spacing |is |not |exceeded.
b. |Change |the |spacing |of |the |beam |stirrup |to |match |the |support |bar |spacing.
c. |Do |not |proceed |with |installation |until |further |instructions |are |received.
d. |None |of |the |above. |- |CORRECT |ANSWER✔✔-a. |Move |the |support |bar |to |the |nearest |stirrup
|location |and |adjust |the |vertical |height |so |that |a |smooth |tendon |profile |is |maintained, |add |
additional |support |bars |at |other |stirrup |locations |if |needed |so |a |maximum |allowable |support |
spacing |is |not |exceeded.
, 7. |When |installing |tendons |in |a |narrow |joist:
a. |It |is |important |to |avoid |excessive |wobble |in |tendons |that |could |lead |to |concrete |blowouts. |
b. |Tendon |placement |is |not |critical |since |there |is |only |one |tendon |in |each |joist.
c. |It |is |important |to |check |for |any |reverse |curvature |in |a |tendon |profile |to |avoid |problems.
d. |Both |A |and |C. |- |CORRECT |ANSWER✔✔-a. |It |is |important |to |avoid |excessive |wobble |in |
tendons |that |could |lead |to |concrete |blowouts.
8. |Of |the |following, |what |is |the |most |important |thing |a |contractor |must |do |when |field |
installing |a |fixed-end |anchor?
a. |Firmly |hammer |the |wedges |into |the |back |of |the |anchor.
b. |Grease |the |wedges |before |installing |them |in |the |anchor |to |reduce |friction.
c. |Stress |the |anchor |to |the |full |required |jacking |force.
d. |None |of |the |above. |- |CORRECT |ANSWER✔✔-d. |None |of |the |above.
9. |The |hydraulic |pump |can |be |interchanged |without |re-calibrating |the |stressing |equipment.
a. |True
b. |False |- |CORRECT |ANSWER✔✔-a. |True
10. |If |elongations |are |out |of |tolerance:
a. |Report |to |the |LDP |and |wait |for |further |direction.
b. |If |elongations |are |low, |continue |stressing |to |a |higher |gauge |pressure |until |the |reported |
elongation |is |attained.
c. |Cut |off |tendon |tails |during |the |same |shift.