PHYS 6001 - SI Units (Chp 3) Flashcards
1
Q
Convert 250 kPa to psi.
A) 21.6 B) 36.25 C) 40.9 D) 10.0 E) 38
A
B) 36.25
2
Q
The unit of power in the SI system is the:
A) Watt B) Joule C) Pascal D) Newton E) Ohm
A
A) Watt
3
Q
An electric motor has a rating of 25 kW. What is this motors rating in hp?
A) 10.5 B) 50.9 C) 40.12 D) 33.51 E) 25
A
D) 33.51
4
Q
One bar of pressure in the SI system is equal to:
A) 1000 Pa
B) 100 kPa
C) 100 Pa
D) 10 Pa
E) 10 kPa
A
B) 100 kPa
NOTE:kpa
5
Q
Convert 50° Celsius to Fahrenheit, if °F = 9/5 °C + 32.
A) 130 B) 150 C) 122 D) 155 E) 148
A
C) 122
6
Q
One hundred of a base unit is indicated by the prefix:
A) giga B) deca C) kilo D) hecto E) mega
A
D) hecto
7
Q
10 Imperial gallons is equal to _____ litres:
A) 22 B) 45.46 C) 88 D)22.72 E) 44
A
B) 45.46
8
Q
How many litres are in a kilolitre?
A) 100 B) 1000 C) 10 D) 250 E) 10-3
A
B) 1000
9
Q
15 miles is equal to:
A) 1609 m B) 5277 m C) 7509 m D) 24140m E) 29260 m
A
D) 24140m
10
Q
Which of the following S.I quantities are written incorrectly?
A) 50 m. long B) 110 MPa C) Three meters D) 54 467 382 mm E) 45 kg
A
A) 50 m. long
11
Q
The SI base unit for acceleration is:
A) watts B) kPa C) m/s D) m/s2 E) j/s
A
D) m/s2
