134) A piezometer can not be used for pressure measurement in pipes when
Answer is:
Fluid in the pipe is a gas
Related OFB Chargeman Mechanical Question Paper - 2014 with Answer Key
Answer is:
Invalid
Answer is:
Internal energy
Answer is:
All of these
Explanation:
During cold working process
* Grain structure is distorted
* Strength and hardness of metal increases
* Surface finish is improved
