QUESTIONS AND CORRECT ANSWERS
GRADED A+
●● 2. The recommended space, "Y" between tendon bundles in a beam
is.
a. 4in.
b. 1.5 in.
c. 1 in.
d. 0.5..
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..
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..
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.
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..
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..
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?