1.

In a moisture content test, for how long should the sand in infrared heating bulb be heated?(a) 1 – 2 minutes(b) 2 – 3 minutes(c) 3 – 4 minutes(d) 4 – 5 minutes

Answer» Correct option is (b) 2 – 3 minutes

The best explanation: The moisture content tests are highly performed in a heating bulb. About 20 to 50 grams of the prepared sand is heated using infrared heating for 2 to 3 minutes in the infrared heating bulb.


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