Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option(a), (b), (c) and (d), out of which ONE option is correct.Q. Variation of vapour pressure with temperature is given byGraphicallyMatch the parameters in Column i with their values in Column II and select answer from codes given a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer?

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Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option (a), (b), (c) and (d), out of which ONE option is correct.

Q. Variation of vapour pressure with temperature is given by

Graphically

Match the parameters in Column i with their values in Column II and select answer from codes given

a)
a
b)
b
c)
c
d)
d

Correct answer is option 'A'. Can you explain this answer?

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Direction (Q. Nos. 15) Choice the correct combination of elements and ...

The vapor pressure of a liquid varies with its temperature, as the following graph shows for water. The line on the graph shows the boiling temperature for water. As the temperature of a liquid or solid increases its vapor pressure also increases. Conversely, vapor pressure decreases as the temperature decreases.

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Direction (Q. Nos. 12) Choice the correct combination of elements and column I and coloumn II are given as option(

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Attempt All sub parts from each question.Railway track expansion joint: Expansion and contraction of steel and concrete structure due to seasonal heating and cooling is a common problem found in civil engineering. To combat this problem, engineers put expansion joints to absorb these changes.This problem is compounded on railway tracks. This could lead to rail buckling, known in the industry as “sun kink”, as shown below, and cause the derailment of train. When exposed to temperature variations, the rail tends to vary its length. If this tendency is freely allowed, for a temperaturevariance Δt, the rail length L will vary by ΔL. This length variance can be computed as:ΔL = αLΔtwhere α = expansion coefficient of steel= 11.5 x 10–6 °C.The coefficient of thermal expansion is defined as the fractional increase in length per unit rise in temperature. Traditional railway tracks are of standard lengths. When the tracks are laid, the lengths are joined end to end using “fishplates”—short lengths of steel plate overlapping the joint, and bolted to the ends of the rails. At each joint there must be a short gap (≈ 1/8") between the rail ends, to allow for longitudinal thermal expansion of the rails on hot days.Q. What will be the expansion of a 20m long railway steel track for 30°C variation of temperature?

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It is now recognized that the Modern Periodic Law is essentially the consequence of the

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Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option(a), (b), (c) and (d), out of which ONE option is correct.Q. Variation of vapour pressure with temperature is given byGraphicallyMatch the parameters in Column i with their values in Column II and select answer from codes given a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer?

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Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option(a), (b), (c) and (d), out of which ONE option is correct.Q. Variation of vapour pressure with temperature is given byGraphicallyMatch the parameters in Column i with their values in Column II and select answer from codes given a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option(a), (b), (c) and (d), out of which ONE option is correct.Q. Variation of vapour pressure with temperature is given byGraphicallyMatch the parameters in Column i with their values in Column II and select answer from codes given a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Direction (Q. Nos. 15) Choice the correct combination of elements and column I and coloumn II are given as option(a), (b), (c) and (d), out of which ONE option is correct.Q. Variation of vapour pressure with temperature is given byGraphicallyMatch the parameters in Column i with their values in Column II and select answer from codes given a)ab)bc)cd)dCorrect answer is option 'A'. Can you explain this answer?.

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