Give an example of beneficial friction used in vehicles.
What will be an ideal response?
The friction used by the braking system.
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A band beam floor is generally more economical than a beam-and-girder floor because
A) it requires a smaller quantity of reinforcement. B) its formwork is more economical. C) it requires a smaller quantity of concrete. D) none of the above.
Why is it so important to take extra care when squaring corners on a large work area?
What will be an ideal response?
Which of the following is an example of a leading question?
a. "How do you feel about student protests?" b. "When did you learn about student protests, and have you ever participated in one?" c. "You wouldn't say you're in favor of student protests, would you?" d. "Student protests raise a great many important questions.".
Draw the symbols for a furnace and boiler.
Furnace and boiler symbols