Book 3: 2-03 - "SI Units"

Question 1

The system SI prefix “mega (M)” indicates the value:
Select one:

A. 10^-3

B. 10^6

C. 10^-6

D. 10^3

E. 10^-2

Answer 1

B. 10^6

Question 2

How many megajoules are equal to 8 horse power-hours?
Select one:

A. 1.91 MJ

B. 20.32 MJ

C. 33.49 MJ

D. 2.98 MJ

E. 21.48 MJ

Answer 2

E. 21.48 MJ

Question 3

How many cubic feet are equal to 19 cubic metres?
Select one:

A. 275.69 ft³

B. 1.16 ft³

C. 0.54 ft³

D. 311.41 ft³

E. 671.38 ft³

Answer 3

E. 671.38 ft³

Question 4

How many cubic centimetres are equal to 43 cubic inches?
Select one:

A. 623.93 cm³

B. 2.96 cm³

C. 1092.2 cm³

D. 2.63 cm³

E. 704.77 cm³

Answer 4

E. 704.77 cm³

Question 5

If a county park has an area of 96 km² what is its area in sq mile?
Select one:

A. 37.06 sq mile

B. 619.2 sq mile

C. 14.88 sq mile

D. 243.8 sq mile

E. 248.7 sq mile

Answer 5

A. 37.06 sq mile

Question 6

How many kilopascals are equal to 3.5 bar air pressure?
Select one:

A. 350 kPa

B. 0.035 kPa

C. 123.68 kPa

D. 88.9 kPa

E. 24.13 kPa

Answer 6

A. 350 kPa

Question 7

The basic unit for temperature absolute is:
Select one:

A. Second (s)

B. Celsius (°C)

C. Metres per second (m/s)

D. Candela (cd)

E. Kelvin (K)

Answer 7

E. Kelvin (K)

Question 8

How many watt-hours are equal to 123 kilojoules?
Select one:

A. 330.65 watt-hr

B. 48.43 watt-hr

C. 34.19 watt-hr

D. 45.76 watt-hr

E. 442.45 watt-hr

Answer 8

C. 34.19 watt-hr

Question 9

If a table has a surface area of 1140 in² what is its area in cm²?
Select one:

A. 7353 cm²

B. 2895.6 cm²

C. 176.74 cm²

D. 448.81 cm²

E. 1.76 cm²

Answer 9

A. 7353 cm²

Question 10

A safety valve stamping indicates a popping pressure of 175 kPa. What is the popping pressure in psi?
Select one:

A. 25.38 psi

B. 1207 psi

C. 68.9 psi

D. 53.34 psi

E. 79.45 psi

Answer 10

A. 25.38 psi

Question 11

How many kilojoules are equal to 17 watt-hours?
Select one:

A. 61.2 kJ

B. 4.72 kJ

C. 43.18 kJ

D. 4.06 kJ

E. 71.16 kJ

Answer 11

A. 61.2 kJ

Question 12

What is 75°F equal to in Celsius?
Select one:

A. 59.44°C

B. 75°C

C. 77.4°C

D. 23.9°C

E. 92.78°C

Answer 12

D. 23.9°C

Question 13

In Montana, your car required 97 litres of gasoline to fill the fuel tank. What is this amount in USCS gallons?
Select one:

A. 20.68 gal (USCS)

B. 367.19 gal (USCS)

C. 25.62 gal (USCS)

D. 38.19 gal (USCS)

E. 440.96 gal (USCS)

Answer 13

C. 25.62 gal (USCS)

Question 14

If a house has a floor area of 1200 ft² what is its area in m²?
Select one:

A. 47.24 m²

B. 1.86 m²

C. 111.6 m²

D. 774,000 m²

E. 12,690 m²

Answer 14

C. 111.6 m²

Question 15

The system SI prefix “milli (m)” indicates the value:
Select one:

A. 10^6

B. 10^-6

C. 10^-2

D. 10^3

E. 10^-3

Answer 15

E. 10^-3

Question 16

How many metres are equal to 3 miles?
Select one:

A. 141.04 m

B. 4827 m

C. 462.25 m

D. 536.33 m

E. 106 m

Answer 16

B. 4827 m

Question 17

The system SI prefix “micro (μ)” indicates the value:
Select one:

A. 10^-3

B. 10^3

C. 10^-2

D. 10^-6

E. 10^6

Answer 17

D. 10^-6

Question 18

How many inches are equal to 24 centimetres?
Select one:

A. 0.94 in

B. 609.6 in

C. 78.72 in

D. 60.96 in

E. 9.45 in

Answer 18

E. 9.45 in

Question 19

How many pounds are equal to 8 kilograms?
Select one:

A. 17.6 lb

B. 26.25 lb

C. 20.32 lb

D. 3.15 lb

E. 3.64 lb

Answer 19

A. 17.6 lb

Question 20

How many cubic metres are equal to 21 cubic feet?
Select one:

A. 0.59 m³

B. 344.26 m³

C. 1.28 m³

D. 742.05 m³

E. 0.83 m³

Answer 20

A. 0.59 m³