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You Are On Multi Choice Question Bank SET 301

15051. Primary designation of steel is based on its





15052. Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.





15053. Superheating of steam is done at constant





15054. A cylinderical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is





15055. The surface tension of a liquid, at critical temperature is





15056. Large scale fire on fuel gas line is normally extinguished by





15057. Brazing is the joining of metals





15058. Moist climate is the most favourable factor in the site selection far a





15059. Dry saturated steam can be converted into superheated steam by





15060. Find the remainder when 315 is divisible by 5





15061. Increasing sulphur content in pig iron tends to make it





15062. Oxyacetylene reducing flame is used while carrying out welding on





15063. M10 index of coke indicates its





15064. Gantt charts are used for streamlining the





15065. In the Bayer's process, bauxite is digested under pressure using





15066. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot





15067. The substance used as a smoke screen in warfare is





15068. The same volume of all gases is representative of their





15069. Fluorine is not a constituent of





15070. The most commonly used combustion system manufactured in India for the thermal power plant boilers is the __________ combustion system.





15071. During solid state sintering of powders, the following mechanism can be active.





15072. The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.





15073. Regeneration of molecular seive requires it to be heated to a temperature of about __________ °C.





15074. The ultimate strength in tension for steel is __________ times the ultimate strength in shear.





15075. The activity of pure hydrogen gas at 1000°C and 5 atm pressure





15076. Which of the following transducers is most commonly used for the measurement of shock and vibration ?





15077. The power of a low capacity prime mover is most suitably measured by a __________ type dynamometer.





15078. __________ addition increases the depth of hardness of steel.





15079. The most important consideration in value engineering is the





15080. Lime contains about 90% CaO. Percentage CaO present in limestone is about





15081. The most important material handling system in an integrated steel plant is the





15082. Property of a material to resist a tensile force without giving away is a measure of its





15083. Cast iron has the unique property of high





15084. Steels with high carbon equivalent have poor weldability, because in these steels during welding





15085. If the pH value of a solution of sodium chloride is 7; then what will be the pH value of the solution after its electrolysis ?





15086. Measurement of the area of the indented surface is not involved in the __________ hardhes testing method.




15087. Salvage value is the most flexible criteria for analysing a financial investment. 'Salvaging' means





15088. Super conduction in metals is observed at a temperature of __________ °K.





15089. Springback in sheet metal bending depends on the





15090. The yield point in fatigue loading compared to that in static loading is less. The ratio of ultimate tensile strength to endurance limit of a material subjected to fatigue loading is





15091. Which of the following is not used as a fuel in rocket propellaht ?





15092. Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.





15093. Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.





15094. __________ welding will be the most suitable for butt welding two 20 cms thick boiler drum mild steel plates.





15095. Machinability of hard alloys & tool steels is improved by





15096. LASER




15097. __________ forces do not act in case of fluids.





15098. Which of the following is not a natural abrasive ?





15099. The function of a nozzle provided in steam turbine is to





15100. Which of the following polymers is obtained by copolymerisation of three monomers ?





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