Description
400 Level Educational Technology Department exam questions and detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
- “Librarians bridge the gaps that exist between people, information and Technology. Discuss.”
DOWNLOAD THE ANSWER BELOW

![Metal rods of length 20m each are laid end to end to form a bridge at 25°C. What gap will be provided between consecutive rails for the bridge to withstand 75°C? [Linear expansivity of the material = 2.0 x 10^-5K‾¹] past-questions-and-answers](https://erudites.ng/wp-content/uploads/2020/06/past-questions-and-answers-150x150.jpg)


