Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): In the analysis of rigid frames, the usual practice is to consider the strain energy due to flexure only.
Reason (R): The strain energies due to axial and shear forces are usually quite small compared to that of flexure.
In the light of the above statements, choose the most appropriate answer from the options given below:
Assertion (A): In the analysis of rigid frames, the usual practice is to consider the strain energy due to flexure only.
Reason (R): The strain energies due to axial and shear forces are usually quite small compared to that of flexure.
In the light of the above statements, choose the most appropriate answer from the options given below:
Show Hint
- Both (A) and (R) are correct and (R) is the correct explanation of (A)
- Both (A) and (R) are correct but (R) is not the correct explanation of (A)
- (A) is correct but (R) is not correct
- (A) is not correct but (R) is correct
The Correct Option is A
Solution and Explanation
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- The network diagram of a construction project is shown in the following Figure. The duration of each activity, in days, and the early start time of the project are denoted in the diagram. The total project duration along the critical path, in days, is _____(in integer).
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- A construction project consists of four activities. The quantity of work, manpower requirement, and the productivity of the activities are listed in the table below. The interrelationship between the activities are also mentioned in the table. The construction project will start on January 29. Assume no holidays for the entire duration of the project. The project will finish on February \underline{\hspace{1cm}} [mention date in number].\[\begin{array}{|c|c|c|c|c|} \hline Activity & Quantity (cu.m) & Manpower (persons) & Productivity (cu.m/man-day) & Immediate Successor Activity \\ \hline \text{A} & \text{96} & \text{8} & \text{3} & \text{C} \\ \hline \text{B} & \text{252} & \text{7} & \text{4} & \text{C \} & \text{D} \\ \hline \text{C} & \text{275} & \text{5} & \text{5} & \text{Nil} \\ \hline \text{D} & \text{126} & \text{6} & \text{3} & \text{Nil} \\ \hline \end{array}\]
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\[\begin{array}{|c|c|c|c|} \hline \textbf{Contractor} & \textbf{Optimistic time, $t_o$} & \textbf{Most likely time, $t_m$} & \textbf{Pessimistic time, $t_p$} \\ \hline \text{P} & 5 & 10 & 13 \\ \hline \text{Q} & 6 & 9 & 12 \\ \hline \text{R} & 5 & 10 & 14 \\ \hline \text{S} & 4 & 10 & 13 \\ \hline \end{array}\]
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