each item.
B. 1. Hot milk is stirred with a spoon and the spoon gets hotter due to
a Conduction b. convection
C. radiation d. all of these
2. A table is placed several feet away from a campfire. The side of the table is facing the campfire gets
warm because of -
a. Conduction b. convection
c. radiation d. all of these
3. Which of the following shows the direction of heat transferred?
a. Hot to cold
b. cold to hot
c. both a and b d. none of these
4. Which statement describes the direction of spontaneous heat flow?
a. Heat flows in a vacuum by conduction c. Heat flows from an object at high to low temperature
b. Heat flows between two objects at the d. heat flows from an object at low to high temperature
Same temperature
5. Which of the following shows that work and heat are related?
a. Using a pulley and an inclined plane c. evaporation and condensation
b. Rubbing hands and hammering a nail d. carrying heavy loads and pushing the wall
6. Which of the following energy transformation takes place in a generator?
a Mechanical energy-electrical energy c. chemical energy-electrical energy
b. Electrical energy - mechanical energy d. electrical energy-chemical energy
7. Which of the following electricity is generated?
a. Generator
b. power plant transformer
d. all of these
8. Which stage of electrical energy transmission that raises voltage?
a. Step-down transformer
c. step-up transformer
b. Pole transformer
d. power plant
9. Which of the following processes provide electrical energy?
a Generation
b. transmission c. distribution
d. all of these
10. The lines that carry electricity to consumers.
a. Electrical energy transmission c. electrical energy distribution
b. Electrical energy reduction d. all of these​