In a non-tilting type drum mixer,1. Large size aggregate up to 20 – 25 cm can be handled2. Mixing time is less than 2 minutes3. Discharge is through buckets onto the platform4. For large-size mixers, the mixing time should be slightly increased if handling more than 800 litres of the mixWhich of the above statements are correct?

• A. 1 and 2 only
• B. 2 and 3 only
• C. 1, 2 and 4 only
• D. 3 and 4 only