16251. __________ is used for tying the steel coloumns to concrete foundation.
16252. Fatigue resistance of a material is measured by the
16253. __________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten.
16254. A dense structure of grinding wheel is not used for the
16255. Which of the following is not a principal alloying element for the structural steel?
16257. Pick out the wrong statement
16258. Lead is poured into the joints between two __________ pipes.
16259. 'Ice point' is designated on Farenhite temperature scale by
16260. Maximum hardenability of steel depends upon its
16261. Blast furnace slag is mainly molten
16262. A jet engine turbine blade is normally manufactured by
16263. Stainless steel is welded using
16264. The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.
16265. The phenomenon occurring during explosion of a hydrogen bomb is
16266. Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.
16267. Nitriding of a steel part does not increase its
16268. __________ of grey cast iron produces white cast iron.
16269. As the fluid flow rate increases, the float of the rotameter
16270. Addition of __________ to steel does not impart hardness.
16271. For a spontaneous natural process at constant temperature and pressure, the free energy of the system always
16272. Inertial forces are obtained, when the elastic forces are multiplied by __________ number.
16273. When was NABARD established?
16274. Wavelength of radiation emitted by a body depends on the __________ of its surface.
16275. Out of the following, which will fracture most readity, when hit with a hard hammer ?
16276. A pycnometer is used for the measurement of
16277. For infinite parallel planes having emis-sivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by
16278. Working of linear variable differential transducer (LVDT) is based on the principle of variable
16279. A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?
16280. Maximum permissible sulphur content in steel is __________ percent.
16281. The dimensional formula of bulk modulus of elasticity is same as that of the
16282. Ferromagnetic material owe their properties to __________ inner sub-shells.
16283. Which of the following metals is the most prone to work hardening?
16284. 'Amortization' in respect of financial obligation of a company means the
16285. Difference at any instant between the value of the controlled variable and the set point is called the
16286. The expected efficiency of a single rivetted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.
16287. Nickel and __________ are the alloying element added in steel to increase its toughness.
16288. Which of the following equipments is used for liquid dispersion ?
16289. Eutectoid composition of carbon steel at room temperature is
16290. Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of
16291. Corrosion is
16292. Which of the following is not an ore of copper?
16293. Which one of the following is incombustible ?
16294. The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.
16295. Tin based white metals are used, where bearings are subjected to
16296. Friction factor for fluid flow in pipe does not depend upon the
16297. All of the following alloying elements of steel increases hardness but sacrifice ductility, except
16298. __________ method for profitability evaluation of a project does not account for investment cost due to land.
16299. The total investment in a project is Rs. 10 lakhs and the annual profit is 1.5 lakhs. If the project life is 10 years, then the simple rate of return on investment is
16300. Nominal and effective interest rates are equal, when the interest is compounded