System International Units

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1. In which year, the SI (System International d`units) was recommended by the general conference on weights and measures?
a) 1966
b) 1959
c) 1960
d) 1961

Ans: c

2. What is the SI Unit of Length?
a) second
b) gram
c) mole
d) meter

Ans: d

3. What is the SI Unit of Mass?
a) mole
b) kilogram
c) second
d) ampere

Ans: b

4. What is the unit of Electric current?
a) ampere
b) Kelvin
c) candela
d) radian

Ans: a

5. Candela is the unit for which quantity?
a) Temparature
b) Plane angle
c) Solid angle
d) Luminous Intensity

Ans: d

6. Among the following, which one is the supplemantary unit?
a) steradian
b) mole
c) second
d) meter

Ans: a

7. What is the unit of Solid angle?
a) candela
b) ammeter
c) Kelvin
d) steradian

Ans: d

8. What is the unit for derived quantity, Area?
a) cubic meter
b) meter per second
c) square meter
d) mole per cubic meter

Ans: c

9. What is the unit of derived quantity, Luminance (Light)?
a) candela per square meter
b) 1 per second
c) meter per second
d) square meter

Ans: a

10. What is the unit for derived quantity, specific volume?
a) farad
b) cubic meter per kilogram
c) ohm
d) henry

Ans: b


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