1. State the advantages of high-pressure boilers. Explain the construction and working of Babcock and Wilcox boiler with a neat sketch. 2. Explain the construction and working of a pressure gauge...

1. State the advantages of high-pressure boilers. Explain the construction and working of Babcock and Wilcox boiler with a neat sketch.

2. Explain the construction and working of a pressure gauge with a neat sketch.