Civil Engineering  SI Units
Exercise :: SI Units  Section 1
11. 
Pick up the correct statement from the following: 
A. 
In S.I. system, pressure is expressed in N/m^{2}  B. 
In S.I. system, surface tension is expressed in Newton per metre  C. 
In S.I. system, force is expressed in Newtons  D. 
In S.I. system, power is expressed in watts  E. 
All the above. 
Answer: Option E
Explanation:

12. 
100 kN/m^{2} pressure is equal to 
Answer: Option B
Explanation:

13. 
The solid angles are measured in 
A. 
degrees  B. 
grades  C. 
radians  D. 
steradians. 
Answer: Option D
Explanation:

14. 
10^{12}, is called 
Answer: Option B
Explanation:

15. 
Pick up the correct statement from the following: 
A. 
The units of moment of inertia of a plane area, depends upon the units of the area and the length  B. 
The moment of inertia is expressed in m^{4} if the area is in square metres and the length is also in metres  C. 
The moment of inertia is expressed in cm^{4} if the area is in square centimetres and the length in centimetres  D. 
The moment of inertia is expressed in mm^{4} if the area is in square millimetres and the length in millimetres  E. 
All the above. 
Answer: Option E
Explanation:
