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In a moisture content test, for how long should the sand in infrared heating bulb be heated?

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in Casting-Forming-Welding I by (687k points)
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

The question was posed to me in an online quiz.

My enquiry is from Testing of Molding Sand in portion Sand Preparation of Casting-Forming-Welding I

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Best 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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