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You Are On Multi Choice Question Bank SET 322

16101. Pick out the correct combination about the role of various additives used in polymers.

16102. The lightest non-inflammable gas is

16103. Silicon crystal can be converted to p-type semi-conductor by doping with

16104. Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

16105. Increase in the entropy of a system represents the

16106. Property responsible for the talcum powder to cling to the skin is the

16107. __________ has a negative co-efficient of linear expansion.

16108. Wave length of X-rays is about 1 angstron, however it can not pass through a sheet of

16109. Alloying elements present in Hayness stel-lite, which has superior performance than high speed steel, are

16110. The minimum and the maximum number of members required to form a Private Limited Joint Stock Company are respectively

16111. The leaching solvent used in Baeyer's process for the purification of bauxite is

16112. Austempering process results in the formation of __________ structure.

16113. Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

16114. Basic open hearth furnace (BOF) is not used for producing __________ steel.

16115. Principal alloying element in Elinvar (used for making hair springs for watches) is

16116. The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be

16117. Tesla metre per ampere (T. m/A) is the unit for the measurement of

16118. Earing is a defect found in steels after the following metal working operation (s).

16119. For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

16120. Hydrogen can be

16121. Internal energy of a gas obeying Vanderwall's equation of state, , depends upon its

16122. __________ wire is never used for making the heating element.

16123. Pick out the correct statement

16124. Ammonia gas can be dried by

16125. Consumable electrodes are used in the __________ welding.

16126. Magnesium is present in

16127. The passage between the nozzle and the __________ is called 'sprue' in case of injection moulding.

16128. The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their

16129. A material having good damping property is likely to have

16130. Exposure to __________ accelarates the degradation of plastics.

16131. പോർച്ചുഗീസ് ആസ്ഥാനം കൊച്ചിയിൽ നിന്നും ഗോവയിലേയ്ക്ക് മാറ്റിയ വൈസ്രോയി? [Porcchugeesu aasthaanam kocchiyil ninnum govayileykku maattiya vysroyi?]

16132. Steel produced from phosphatic iron is __________ in nature.

16133. __________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

16134. Which of the following has the least oili-ness ?

16135. Surface finish of casting does not depend upon the

16136. Load cells used for the measurement of weight has

16137. While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

16138. For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

16139. Cold chiesel & hammers are made of

16140. Which of the following does not lower the surface tension of liquids ?

16141. __________ property of a material is determined by the Herbert Pendulum device.

16142. Cathodic protection is widely used in controlling corrosion in

16143. Methyl orange indicator turns

16144. Out of the following, the most melleable material is

16145. Addition of silicon to aluminium improves its

16146. Which of the following properties of a solid is not dependent on crystal imperfection ?

16147. In a good rimming steel

16148. "'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

16149. The Urban Co-operative Movement started in India during 1915 based on which committee report?

16150. Chalcopyrite is an ore of

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