CCIL Section 3C, 5C Exam Questions With
Correct Answers
3C: |Cylindrical |Moulds |for |testing |specimens |should |be... |- |CORRECT |ANSWER✔✔-Made |of |
non |absorbent |surfaces |and |sufficiently |rigid |to |hold |their |shape |during |moulding.
3C: |Do |not |use |cardboard |moulds |when... |- |CORRECT |ANSWER✔✔-Concrete |strengths |greater |
than |35MPA
3C: |Rectangular |Moulds |- |CORRECT |ANSWER✔✔-Will |be |used |for |Flexural |Test |Specimens. |
Mould |shall |be |at |least |50mm |longer |than |length |of |span. |Cross |sectional |area |may |not |
exceed |3mm.
3C: |Tamping |Rod |for |100mm |x |200mm... |- |CORRECT |ANSWER✔✔-Round |Steel |Straight |
tamping |rod |10mm+-1mm |in |diameter, |between |450mm |no |more |than |600mm |in |length |with |
a |hemispherical |tip.
3C: |For |cylinders |150mm |in |diameter |or |greater, |and |for |Rectangular |Moulds |the |rod |must |
be... |- |CORRECT |ANSWER✔✔-Steel |Straight |bar, |16mm |+- |1mm |in |diameter, |not |less |than |
450mm |nor |more |than |600mm |in |length |and |one |hemispherical |tip.
3C: |Internal |Vibrators |- |CORRECT |ANSWER✔✔-Vibration |Frequency |must |be |120Hz |or |Greater. |
Outside |diameter |of |vibrating |element |to |be |between |20mm |to |40mm. |The |length |should |be |
50mm |less |than |mould |being |consolidated.
3C: |Vibration |of |Beams |- |CORRECT |ANSWER✔✔-The |diameter |and |the |thickness |of |an |
element |shall |not |exceed |1/3 |of |the |width |of |the |mould
Correct Answers
3C: |Cylindrical |Moulds |for |testing |specimens |should |be... |- |CORRECT |ANSWER✔✔-Made |of |
non |absorbent |surfaces |and |sufficiently |rigid |to |hold |their |shape |during |moulding.
3C: |Do |not |use |cardboard |moulds |when... |- |CORRECT |ANSWER✔✔-Concrete |strengths |greater |
than |35MPA
3C: |Rectangular |Moulds |- |CORRECT |ANSWER✔✔-Will |be |used |for |Flexural |Test |Specimens. |
Mould |shall |be |at |least |50mm |longer |than |length |of |span. |Cross |sectional |area |may |not |
exceed |3mm.
3C: |Tamping |Rod |for |100mm |x |200mm... |- |CORRECT |ANSWER✔✔-Round |Steel |Straight |
tamping |rod |10mm+-1mm |in |diameter, |between |450mm |no |more |than |600mm |in |length |with |
a |hemispherical |tip.
3C: |For |cylinders |150mm |in |diameter |or |greater, |and |for |Rectangular |Moulds |the |rod |must |
be... |- |CORRECT |ANSWER✔✔-Steel |Straight |bar, |16mm |+- |1mm |in |diameter, |not |less |than |
450mm |nor |more |than |600mm |in |length |and |one |hemispherical |tip.
3C: |Internal |Vibrators |- |CORRECT |ANSWER✔✔-Vibration |Frequency |must |be |120Hz |or |Greater. |
Outside |diameter |of |vibrating |element |to |be |between |20mm |to |40mm. |The |length |should |be |
50mm |less |than |mould |being |consolidated.
3C: |Vibration |of |Beams |- |CORRECT |ANSWER✔✔-The |diameter |and |the |thickness |of |an |
element |shall |not |exceed |1/3 |of |the |width |of |the |mould
