Operating Manual

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Fig. 15-12. Radiograph of transistors
Exposure on D2 film with 27 μm lead screens at 100 kV/5 mA/2 min film-focus distance 70 cm.
Fig. 15-13. Radiograph of electric detonators, taken to check details of assembly
Examination of assembled objects
142
Fig.15-11. Radiograph of 25mm thick aluminium-copper alloy casting with gas porosity
Exposure on D7 film at 140 kV/5 mA, film-focus distance 100 cm
In addition to radiography for detection of defects in welds and castings, it can also be applied
to check for proper assembly of finished objects as figures 15-12 and 15-13 illustrate