29001. The path and movements followed by men, materials & equipments in executing the activities is indicated by the
29002. No cutting fluid is normally used, while machining
29003. An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is
29004. pH value of rain water in India ranges from
29005. The capital & running costs of similar machines having unequal service life can be compared by the __________ method.
29006. Pick the odd man out.
29007. Maraging steels derive their strength from the following mechanism:
29008. Ceramic compounds as compared to metallic compounds
29009. Pressure exerted by a liquid depends upon its
29010. The most detrimental impurity in high pressure boiler feed water is
29011. Who is the author of the book”Origin of Life”?
29012. The refractory lining of the bottom in a basic electric arc furnace is made of
29013. Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is
29014. Matte smelting is used in the extraction of
29015. Percentage of differential pressure lost in a venturimeter with a tapering of 15° may be about
29016. Compressed dry air is used as the cutting fluid, while machining
29017. Oxide layer formed on the non-ferrous metal surface after its annealing is
29018. Silicon percentage in silicon steel used for electrical equipments is about
29019. Catalyst used in the 'catalytic converter' employed in automobile exhaust line for complete combustion/oxidation of carbon monoxide, nitrogen oxides and hydrocarbons is
29020. Liquid nitrogen containers can be made from
29021. Materials having __________ lattice structure are usually the most ductile.
29022. Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.
29023. The material used for coating the welding electrode is termed as the
29024. In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material ?
29025. Even though heat transfer co-efficients in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.
29026. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, Vg = velocity gradient ).
29027. Which of the following materials has the least scrap value ?
29028. Force between the molecules of the same substance is called __________ force.
29029. Stresses encountered in the metal forming processes are less than the __________ of the material.
29030. Which of the following is not a ferromagnetic material ?
29031. Rain drops falling through atmospheric air attain limited terminal velocity, because of
29032. Addition of silicon to cast iron
29033. Lead is poured into the joint between two __________ pipes.
29034. About __________ ton of coke is required in a cupola to produce one ton of casting.
29035. There are one octahedral void and __________ tetrahedral void in the closest packing of atoms.
29036. Which of the following is prone to cup and cone fracture ?
29037. __________ remains constant during the adiabatic cooling of moist air.
29038. __________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.
29039. Out of the following, the alloy which has equal percentage of constituents, is
29040. Steel is welded using the __________ flame.
29041. In which of the following cellular respiration occurs?
29042. Shampoos are commercially not available in the form of
29043. 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
29044. Carbon is present in the form of __________ in grey cast iron.
29045. In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following :
29046. The dew point of moist air becomes __________ with decrease in its relative humidity.
29047. Heating of ferromagnetic materials to a temperature above Curie temperature makes it
29048. Lap joints are preferred over butt joints in soldering/brazing, because these joints are
29049. Colour comparator is used to measure the
29050. The deficiency of which of the following vitamin affects blood clotting and cause profuse bleeding even from a minor wound?
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