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You Are On Multi Choice Question Bank SET 311

15551. Phideas was the chief architect of the .........?





15552. Steel is welded using the __________ flame.





15553. In which of the following cellular respiration occurs?





15554. Shampoos are commercially not available in the form of





15555. A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its





15556. Carbon is present in the form of __________ in grey cast iron.





15557. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :





15558. The dew point of moist air becomes __________ with decrease in its relative humidity.





15559. Heating of ferromagnetic materials to a temperature above Curie temperature makes it





15560. Lap joints are preferred over butt joints in soldering/brazing, because these joints are





15561. Colour comparator is used to measure the





15562. The deficiency of which of the following vitamin affects blood clotting and cause profuse bleeding even from a minor wound?





15563. An atom bomb works on the principle of





15564. Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.





15565. Which of the following is an example of stress corrosion ?





15566. FeO (s) + CO (g) = Fe (s) + CO2 (g), k = 0. 435 at 1173E; At equilibrium, what will be the number of moles of CO gas required to reduce one mole of FeO at 1173 K?





15567. Fibre reinforced plastic (FRP) are





15568. Safety matches is produced using





15569. Calorific value of __________ are almost same.





15570. Which of the following pairs is not correctly matched ?





15571. Commonly used flux for brazing is





15572. Iron has got __________ isotopes.





15573. Semi-conductors normally employ __________ bonding.





15574. High endurance limit of carburised machine parts is because of the fact that carburisation





15575. In __________ process, there is an increase in entropy with no degradation of energy.





15576. Which of the following is categorised as the plastic welding ?





15577. In spite of large heat transfer co-efficients in boiling liquids, fins are used advantageously, where the entire surface is exposed to __________ boiling.





15578. When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is





15579. The hardness of the lathe bed material is measured by the




15580. RADAR is





15581. In the floatation process, pine oil is used as the





15582. With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and __________ is not affected.




15583. Urinary bladder is absent in





15584. Ageing of steel refers to the





15585. When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the





15586. When metals are heated to high temperature, their __________ increases in general.





15587. A friction lighter is normally used for lighting gas welding torch, because of the reason that





15588. __________ is not used as a material of construction in thermocouples.





15589. Coarse grained steels have





15590. Steel balls are manufactured by cold heading. After cold forming, they are subjected to





15591. Free oxygen is removed from boiler feed water, because it





15592. Out of the following, the materials having maximum magnetic permeability is





15593. The physiological connection between the maternal body and foetal body where the exchange of material between the two occurs.





15594. Which of the following is a Parasitic plant?





15595. Old cycle handles are coated with nickel using





15596. CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the





15597. Pick out the wrong conversion of absolute & kinematic viscosities.





15598. Unit molar solution of __________ is the best conductor of electricity.





15599. A coal with high __________ content will ignite most easily.





15600. The weight of a body at the centre of the earth is





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