During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to September 6, 2025 by Admin A. Time B. Square root of time C. Square of time D. Cube of time ✅ The correct answer is option B.
Speed of a submarine in deep sea & that of an aeroplane is measured by a/an September 6, 2025 by Admin A. Pitot tube B. Hot wire anemometer C. Rotameter D. Stroboscope ✅ The correct answer is option A.
A psychrometer does not measure the __________ temperature of moist air. September 6, 2025 by Admin A. Dew point B. Dry bulb C. Wet bulb D. None of these ✅ The correct answer is option A.
Powder metallurgy process does not make metal powder by September 6, 2025 by Admin A. Atomisation B. Grinding/milling C. Hammering D. Electrolytic deposition ✅ The correct answer is option C.
__________ of hard alloy and tool steel is done to make it easily machinable. September 6, 2025 by Admin A. Case carburising B. Tempering C. Normalising D. Annealing ✅ The correct answer is option B.
Isotropic materials have the same __________ in all the directions. September 6, 2025 by Admin A. Thermal properties B. Elastic properties C. Stresses D. All of the above ✅ The correct answer is option B.
Angular displacement can be measured suitably by a September 6, 2025 by Admin A. Shaft encoder B. Linear variable differential transducer (LVDT) C. Stroboscope D. Tachometer ✅ The correct answer is option A.
The life of a ball bearing is inversely proportional to September 6, 2025 by Admin A. (load)1 B. (load)2 C. (load)3 D. (load)0.33 ✅ The correct answer is option C.
Swaging is a/an __________ operation. September 6, 2025 by Admin A. Piercing B. Forging C. Extrusion D. Drawing ✅ The correct answer is option B.
Encyclopaedia of Chemical Technology has been September 6, 2025 by Admin A. Authored by Kirk Othmer B. Edited by Perry and Chilton C. Edited by Kirk Othmer D. Authored by Perry and Chilton ✅ The correct answer is option C.