Question

1. on the celsius temperature scale, what is the boiling

a. 12℃
b. 0℃
c. 212℃
d. 100℃

1. what measurement does a micrometer provide when

a. 0.001 inch
b. 0.025 inch
c. 0.01 inch
d. 0.1 inch

1. how is a depth micrometer different from a conventional

a. it measures the external diameter of an object.
b. it measures the distance from a flat surface.
c. it measures in centimeters instead of inches.
d. it is used exclusively for measuring tape thickness.

Explanation:

1. The boiling - point of water on the Celsius scale is a well - known physical property. By definition, water boils at 100°C at standard atmospheric pressure.
2. A micrometer is a precision measuring instrument. Its least count is 0.001 inch which represents the smallest measurement it can make.
3. A depth micrometer is designed to measure the distance from a flat surface to the bottom of a hole or a recess.

Answer:

1. D. 100°C
2. A. 0.001 inch
3. B. It measures the distance from a flat surface.