The underground well of a biogas plant is called the September 6, 2025 by Admin A. Septic tank B. Oxidation well C. Digestor D. Lagoon ✅ The correct answer is option C.
Carnot cycle is also termed as the constant __________ cycle in thermodynamics. September 6, 2025 by Admin A. Entropy B. Pressure C. Volume D. Heat ✅ The correct answer is option D.
Value of a material is usually considered as a relationship between September 6, 2025 by Admin A. Cost and profit B. Utility and appearance C. Utility and cost D. Reliability and utility ✅ The correct answer is option C.
Work study deals with the __________ study. September 6, 2025 by Admin A. Time B. Motion C. Both A & B D. Neither A nor B ✅ The correct answer is option C.
Which of the following is an inedible oil ? September 6, 2025 by Admin A. Corn oil B. Tallow oil C. Olive oil D. Cotton seed oil ✅ The correct answer is option B.
Aluminium oxide (an abrasive) is used for grinding September 6, 2025 by Admin A. Ceramics B. High speed steel C. Cemented carbide D. None of these ✅ The correct answer is option B.
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element. September 6, 2025 by Admin A. Silicon B. Carbon C. Phosphorous D. Chromium ✅ The correct answer is option B.
With increase in carbon percentage in steel, its September 6, 2025 by Admin A. Yield stress decreases B. Elongation percent increases C. Tensile strength increases D. Impact strength increases ✅ The correct answer is option C.
Dryness factor of steam is defined as the ratio of the mass of vapor in the mixture to the mass of the mixture. Dryness factor of steam is measured by a __________ calorimeter. September 6, 2025 by Admin A. Bomb B. Throttling C. Junker’s D. Boy’s ✅ The correct answer is option B.
Measurement of the area of the indented surface is not involved in the __________ hardhes testing method. September 6, 2025 by Admin A. Vicker’s B. Rockwell C. Knoop D. Brinell ✅ The correct answer is option B.