29205. In case of fluid moving machineries, the relationship between saturation temperature and pressure decides the process of
29206. Yield strength of a material is determined by the __________ test.
29207. In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.
29208. Window panes of aeroplanes are normally made of
29209. __________ flux is used for the extraction of metal from its self fluxing ores.
29210. Good design of the casing of a centrifugal pump aims at minimising the
29211. A dummy activity is used in PERT network to describe the
29212. Which of the following is not a characteristic observed in material failure by fatigue fracture ?
29213. A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.
29214. Current employed in resistance welding ranges from __________ kVA/cm2 .
29215. Which hormone is called pregnancy hormone?
29216. Fibrous fracture is normally encountered in the __________ materials.
29217. Bad odour in sanitary latrines is reduced by periodically sprinkling
29218. __________ has the highest melting point out of the following.
29219. The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?
29220. Annealing of cast iron
29221. Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per m2 of steel strip.
29222. Chlorine acts as a bleaching agent only in the presence of
29223. Corona discharge is related to the operation of a/an
29224. Plastics as a material of construction suffer from the drawback of low
29225. Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is
29226. Factor of safety is the ratio of the __________ stress to the working stress.
29227. The majority charge carriers in p-type silicon are
29228. Referring to the periodic table of elements, it is found that with increasing atomic number. The atomic size in the same
29229. With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.
29230. Between 230 and 370°C, blue brittleness is caused in mild steel because of the
29231. Every proposal for amendment of bye-laws shall be made only by a resolution passed by what majority of members Present and voting?
29232. Which of the following is not a dielectric material ?
29233. Magnetic permeability of iron is increased by its
29234. The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as
29235. Which section of KCS Act deals with cancellation of Registration certificate?
29236. Boiling point of water gets lowered at high altitudes (e.g., hills), because
29237. With increase in temperature, the electrical conductivity of semiconductors
29238. Which of the, following is not associated with the functioning of a petrol engine ?
29239. Minimum number of members required to form a Public Limited Joint Stock Com-pany is
29240. In an eutectic system, two elements are completely
29241. 'Cryogenics' is concerned with the generation & use of low temperature in the range of
29242. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the
29243. Which of the following materials has the maximum shrinkage allowance ?
29244. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.
29245. Who cannot become member of a Co-operative Society?
29246. Boiler tube size is specified by its thickness and __________ diameter.
29247. Break even point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost
29248. Unit of surface tension in S.I. unit is
29249. The joint for soldering is supported by binding wire made of
29250. The main reducing agent in iron blast furnace is
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