The bank of tubes located at the back of the domestic refrigerators are the __________ tubes. September 6, 2025 by Admin A. Refrigerant cooling B. Evaporator C. Condenser D. Throttling ✅ The correct answer is option C.
Annealing ofwhite cast iron produces __________ iron. September 6, 2025 by Admin A. Grey B. Nodular C. Malleable D. Spheroidal ✅ The correct answer is option C.
About __________ ton of coke is required in a cupola to produce one ton of casting. September 6, 2025 by Admin A. 0.03 B. 0.3 C. 0.8 D. 1.5 ✅ The correct answer is option B.
Which of the following is not a dielectric material? September 6, 2025 by Admin A. Cotton, silk and paper B. Asbestos, glass, porcelain and mica C. Rubber and polymeric resins D. All of the above ✅ The correct answer is option C.
Presence of sulphur in the fuel fired in a furnace September 6, 2025 by Admin A. Contributes to its heating value B. Helps in electrostatic precipitation of ash from flue gases C. Corrodes ducts & air preheater, if the flue gas temperature is low D. All of the above ✅ The correct answer is option D.
Inertial forces are obtained, when the elastic forces are multiplied by __________ number. September 6, 2025 by Admin A. Mach B. Froude C. Reynolds D. Euler ✅ The correct answer is option A.
__________ is the hardest material out of the following. September 6, 2025 by Admin A. Boron carbide B. Tungsten carbide C. Hardened steel D. Silicon carbide ✅ The correct answer is option A.
Which of the following polymers is obtained by copolymerisation of three monomers? September 6, 2025 by Admin A. SAN B. ABS C. SBR D. PTFE ✅ The correct answer is option B.
Most important property of steels for use in automobile bodies is the September 6, 2025 by Admin A. Formability B. Yield strength C. Toughness D. Resilience ✅ The correct answer is option A.
In inventory control theory, the economic order quantity (EOQ) is the September 6, 2025 by Admin A. Lot size corresponding to break even analysis B. Average level of inventory C. Optimum lot size D. None of these ✅ The correct answer is option C.