Correct option is A

A metal rod is stretched, causing its length to increase from the original length L by ΔL. How is longitudinal strain determined when it is positive, indicating an increase in length?

Why does the velocity of fluid within the boundary layer start from zero at the surface and gradually increase to the free-stream velocity?
In a governor, what force exerted on the rotating flyweights controls the fuel consumption and also maintains a consistent engine speed?
What cold working technique is best suited for bending a long strip of iron metal into a roll shape?
What type of production planning involves setting output levels, scheduling production, and coordinating resources across departments?
Which project scenario most appropriately aligns with the principles of CPM, considering the certainty of time estimates and task dependencies?
Which factor is most critical in resolving disputes within industrial relations frameworks?
Which one of the following comparators is based on the principles of optics, using illumination, lenses, and mirrors to project a magnified silhouette of the part onto a viewing screen?
A traffic light is hanging from a horizontal pole that is supported by two cables attached to a vertical pole. The weight of the traffic light and the pole act downward. Given that the system is in equilibrium (the traffic light and the pole remain stationary) , which forces should be included in the Free Body Diagram?
A manufacturing company wants to optimise production tasks and resource allocation by automating the creation of detailed process workflows from design specifications. Which system should they adopt to achieve this?
What is the main purpose of the boiler in a simple vapor power cycle of a steam power plant?