Critical pressure of a liquid is the pressure________?

If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be________?

Ans: 6 meters of water ColumnRead →

MCQ #836

The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of________?

Ans: 0.75Read →

MCQ #1366

The leaks in a refrigeration system using Freon are detected by________?

Ans: halide torch which on detection produces greenish flame lightingRead →

MCQ #1894

For hypersonic flow, the Mach number is________?

Ans: greater than 4Read →