CMS Dimensional Analysis & Metric Calculations

Question 1

Dimensional analysis is primarily used to:

Accepted Answer

Verify unit consistency and convert between units

Answer

Estimate measurement uncertainty

Answer

Calibrate measuring instruments

Answer

Define SI base units

Question 2

How many millimetres are in 2.5 metres?

Accepted Answer

2,500

Answer

25

Answer

250

Answer

25,000

Question 3

Convert 5 kilometres to centimetres:

Accepted Answer

500,000 cm

Answer

50,000 cm

Answer

5,000 cm

Answer

5,000,000 cm

Question 4

A container holds 3,500 mL. How many litres is that?

Accepted Answer

3.5 L

Answer

35 L

Answer

0.35 L

Answer

350 L

Question 5

A force of 500 N acts over an area of 0.25 m². What is the pressure in pascals?

Accepted Answer

2,000 Pa

Answer

125 Pa

Answer

1,250 Pa

Answer

500 Pa

Question 6

An object travels 120 km in 1.5 hours. What is its average speed in km/h?

Accepted Answer

80 km/h

Answer

60 km/h

Answer

90 km/h

Answer

100 km/h