Measuring Bowl - Answer
Sufficiently rigid to limit expansion to 0.1% of scale reading at operating pressure. 7L
bowl maximum aggregate size of 40mm, 15L bowl maximum aggregate size of 56mm.
Moisture Room - Answer
Temperature must be read every 15 mins by a recorder- Must be accurate to 1 degree
C.
Movable Portion of Bearing Block - Answer
Must be able to rotate freely and tilt 4 degrees in any direction.
Perpendicularity - Answer
No specimen shall depart from perpendicularity to the axis by more than 0.5 degrees.
Placing concrete - Flexural Test - Answer
Moulds 200mm or less are filled in 2 equal lifts. More than 200mm= 3 equal lifts.
Placing Concrete In Moulds - Answer
2 or 3 lifts or layers.
Planeness - Answer
The ends of cylinders must not depart from a plane by more than 0.05mm.
Ratio for vibrating cylinders - Answer
4.0 or higher
Reference Temperature Measuring Device - Answer
Available for calibration of other devices, MUST be accurate to +/- 0.2 degrees C. Must
have certificate or document available for view.
Required Loading Rate - Answer
0.15-0.35 MPa/s
Rodding - 100mm cylinder - Answer
20 strokes/lift
Rodding - 150mm cylinder - Answer
25 strokes/lift
Rodding - 200mm cylinder - Answer
50 strokes/lift
Rodding - 250mm cylinder - Answer
75 strokes/lift