Solid silicones are stable up to:

100^{\circ}

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250^{\circ}

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300^{\circ}

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400^{\circ}

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Solution

The correct option is B $250^{\circ}$
Solid silicones rubbers retain their quality from -100 $^{o}$ C to 250 $^{o}$ C.

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Similar questions

Q. The mean of the following frequency distributed of

200

observation is

332

. Find the value of

x

and

y

Class	$100 - 150$	$150 - 200$	$200 - 250$	$250 - 300$	$300 - 350$	$350 - 400$	$400 - 450$	$400 - 450$	$500 - 550$
Frequency	$4$	$8$	$x$	$42$	$50$	$y$	$32$	$6$	$4$

Find the mean of the step deviations:
$\begin{matrix} Class interval & Frequency (f_{i}) & Class mark (x_{i}) & d_{i} = x_{i} - a & u_{i} = \frac{d_{i}}{h} 0 - 100 & 40 & 50 & - 200 & - 2 100 - 200 & 39 & 150 & - 100 & - 1 200 - 300 & 34 & 250 & 0 & 0 300 - 400 & 30 & 350 & 100 & 1 400 - 500 & 45 & 450 & 200 & 2 \end{matrix}$

100 students record how far they can run in one minute.

The results are shown in the table :

$\begin{matrix} Distance(d metres) & frequency 0 - 200 & 5 200 - 250 & 20 250 - 300 & 50 300 - 400 & 25 \end{matrix}$

Estimate the median.

100*(250 $\div$ 25.02) - ? $\times$ 10 = 400

Q. The daily earnings of 30 workers are given below:

Daily earning (in ₹)	No. of workers
1-50	3
50-100	7
100-150	4
150-200	5
200-250	4
250-300	3
300-350	2
350-400	2

Draw a histogram and a frequency polygon to represent the above data.

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Solid silicones are stable up to:

The correct option is B 250∘Solid silicones rubbers retain their quality from -100oC to 250oC.

The correct option is B $250^{\circ}$
Solid silicones rubbers retain their quality from -100 $^{o}$ C to 250 $^{o}$ C.