Light year is the unit of September 6, 2025 by Admin A. Distance B. Time C. Intensity of light D. None of these ✅ The correct answer is option A.
Pig iron is a product of September 6, 2025 by Admin A. Electric arc furnace B. Cupola C. Blast furnace D. Open hearth furnace ✅ The correct answer is option C.
Induced draft fans provided in large thermal power plant boilers have __________ blades. September 6, 2025 by Admin A. Forward curved B. Backward curved C. Double curved D. Radial or straight ✅ The correct answer is option B.
Which of the following is a permanent fastening? September 6, 2025 by Admin A. Rivets B. Bolts C. Screws D. Keys ✅ The correct answer is option A.
Ferromagnetic material owe their properties to __________ inner sub-shells. September 6, 2025 by Admin A. Completely filled B. Partially filled C. Equally filled D. Vacant ✅ The correct answer is option B.
Main alloying element in Elinvar used in precision instruments, hair springs for watches etc. is September 6, 2025 by Admin A. Chromium B. Nickel C. Zinc D. Aluminium ✅ The correct answer is option B.
Direct conversion of thermal energy to electrical energy is facilitated by the September 6, 2025 by Admin A. Fuel cells B. Photo voltaic cell C. Magneto hydrodynamic generator D. None of these ✅ The correct answer is option C.
Overheating of satellites during re-entry to earth is controlled by September 6, 2025 by Admin A. Thick insulation B. Ceramic lining C. Cooling by flow of air over the surface D. None of these ✅ The correct answer is option C.
Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young’s modulus, G = Modulus of rigidity or shear modulus v = Poisson’s ratio)? September 6, 2025 by Admin A. E = 2G (1 + v) B. E = G (1 + v) C. E = G (1 + v)/2 D. E = 2G (1 + 2v) ✅ The correct answer is option A.
The most important consideration in value engineering is the September 6, 2025 by Admin A. Profit maximisation B. Customer satisfaction C. Cost reduction D. Process improvement ✅ The correct answer is option B.