Ice is packed in saw dust because

Question 99 X-rays can be used

A> for cutting and welding of metals
B> to detect heart diseases.
C> to detect defects in precious stones and diamonds.
D> to detect gold under the earth.

Answer: to detect defects in precious stones and diamonds.

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Question 100 Ice is packed in saw dust because

A> saw dust will not get melted easily.
B> saw dust is poor conductor of heat.
C> saw dust is a good conductor of heat.
D> saw dust does not stick to the ice.

Answer: saw dust is poor conductor of heat.

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A jug is filled to the brim with water at 0 degree Celsius. A piece of ice floats in it. The moment the ice melts,

SSC CGL 26 Oct 2014 Evening Shift Questions

Question 78: A jug is filled to the brim with water at 0 degree Celsius. A piece of ice floats in it. The moment the ice melts,
A) water level decreases 
B) water level is unchanged
C) water spills out of the jug
D) water level increases
Answer : water level is unchanged

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