Which of These Uses a Device Known as a Heliostat

question 1

Multiple Choice

Which of these uses a device known as a heliostat to focus the sun's energy on molten salt water and create steam?
I. Solar power tower
II. Parabolic trough
III. Dish engine

• A)I only
• B)II only
• C)I, II and III
• D)I and II
• E)I and III

---

Definitions:

Debt

Money that is owed or due to another individual or entity, often involving agreed repayment terms and interest.

Supernormal Dividend

Dividends that are higher than the level that can be sustained by the long-term growth rate of the company.

Common Stock

Equity ownership in a corporation, with voting rights and potentially variable dividends.

Sinking Fund Provisions

A requirement that a borrower regularly set aside funds to repay a debt before or at maturity, often used in conjunction with bonds.