The passage between the nozzle and the __________ is called ‘sprue’ in case of injection moulding. September 6, 2025 by Admin A. Runner B. Cylinder C. Mold D. None of these ✅ The correct answer is option A.
Work done by a/an __________ process is determined by ∫p.dV. September 6, 2025 by Admin A. Adiabatic B. Quasi-static C. Isothermal D. Isentropic ✅ The correct answer is option B.
Air intake for an air compressor should be preferably taken from September 6, 2025 by Admin A. A site, where cooling towers are located nearby B. A site, where open coal yard in located nearby C. An air conditioned room maintained at a temperature of 18°C D. An outside atmosphere at 10°C ✅ The correct answer is option D.
The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the September 6, 2025 by Admin A. Critical point B. Curie temperature C. Inversion temperature D. Eutectic temperature ✅ The correct answer is option B.
Which of the following materials has the least scrap value? September 6, 2025 by Admin A. Aluminium B. Stainless steel C. Brass D. Copper ✅ The correct answer is option B.
Leakage in a cooking gas cylinder is detected by September 6, 2025 by Admin A. Radio-isotopes B. Pouring soap solution on the surface and locating the gas bubbles C. Halide torch D. Pungent smell of mercaptans present in the gas ✅ The correct answer is option D.
Which of the following has the highest modulus of elasticity (about 7 x 10⁶ kg/cm²) ? September 6, 2025 by Admin A. High speed steel B. Stainless steel C. Tungsten carbide D. Superalloys ✅ The correct answer is option C.
Secondary hardening in steels arises out of the September 6, 2025 by Admin A. Precipitation of fine alloy carbides at high temperatures B. Refinement of ferrite grain size by working C. Decomposition of retained austenite upon heat treatment D. Precipitation of complex inter-metal-lics upon heat treatment ✅ The correct answer is option C.
Ingrannular corrosion occurs __________ stainless steel. September 6, 2025 by Admin A. In all types of steels except B. At the surface of C. Along grain boundaries of D. In the core of ✅ The correct answer is option C.
Speisses is a mixture of the following: September 6, 2025 by Admin A. Arsenides of heavy metals B. Antimonides of heavy metals C. Arsenides & antimonides of heavy metals D. Iron, cobalt and nickel ✅ The correct answer is option A.