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Why are the bridges declared unsafe afte...

Why are the bridges declared unsafe after long use ?

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During its long use, a bridge suffers alternating strains continuously. Consequently, te elastic strength of the rope gets reduced.
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Why are the bridge declared unsafe after long use?

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c ) If assertion is true but reason is false. (d) If assertion and reason are false. Q. Assertion: The bridges are declared unsafe after long use. Reason: Elastic strength of bridges losed with time.

Knowledge Check

  • Assertion : The bridges declared unsafe after a long use. Reason : Elastic strength of bridges losses with time

    A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
    C
    If assertion is true but reason is fa lse.
    D
    If the assertion and reason both are false.

  • Read the given statements and select the correct option. Assertion : The bridges are declared unsafe after a long use Reason : Elastic strength of bridges loses with time.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason is false.

  • Statement-1: The bridges are declared unsafe after a long use. Statement-2: Elastic strength of bridges losses with time.

    A
    Statement-1, is true, Statement-2 is true, Statement-2 is correct explanation for statement-1
    B
    Statement-1 is true, statement-2 is true, statement-2 is NOT a correct explantion for statement-1
    C
    statement-1 is true, statement-2 is false
    D
    statement-1 is false statement-2 is true

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