Correct answer
D. none of the above
Explanation
The correct answer is none of the above.
Which of the following is the primary fuel________?
Which of the following elements does not impart hardness to steel________?
I.S. specifies following total number of grades of tolerances________?
The following type of carburettor is preferred________?
If p = bearing pressure on projected bearing area, z = absolute viscosity of lubricant, and N = speed of journal, then the bearing characteristic number is given by________?
A pressure of 25 m of head of water is equal to________?