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You Are On Multi Choice Question Bank SET 315

15751. Minimum number of members required to form a Public Limited Joint Stock Com-pany is





15752. In an eutectic system, two elements are completely





15753. 'Cryogenics' is concerned with the generation & use of low temperature in the range of





15754. The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the





15755. Which of the following materials has the maximum shrinkage allowance ?





15756. Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.





15757. Who cannot become member of a Co-operative Society?





15758. Boiler tube size is specified by its thickness and __________ diameter.





15759. 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





15760. Unit of surface tension in S.I. unit is





15761. The joint for soldering is supported by binding wire made of





15762. The main reducing agent in iron blast furnace is





15763. Young's modulus of a material is the measure of its





15764. Which of the following is not used as a bearing material ?





15765. Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than





15766. Water flow in the river during flood can be categorised as the __________ flow.





15767. Basicity [%Cao + %MgO/% SiO2) of the slag in Indian blast furnace is in the range of





15768. Sewage is not an excellent medium for the growth of





15769. Which of the following pair is correctly matched?





15770. Rate of chemical reaction is not much affected, if the reactants are in __________ form.





15771. Materials used for making permanent magnets containing iron and nickel are made by __________ technique.





15772. Lubrication is done to control





15773. Lead is most readily dissolved in





15774. Which of the following is a synthetic abrasive ?





15775. Dezincification is a form of corrosion, which specifically applies to





15776. Water hammer in pipelines results, when the flowing fluid





15777. The preferred alloying element for low temperature applications of steel is





15778. Out of the following, the dimensionless quantity is





15779. When a copper ball is heated, the largest percentage increase will be in its





15780. Which of the following hardness tests uses the depth of penetration caused by the indentor as the parameter for arriving at the hardness value of a material ?




15781. The most commonly used moderator in nuclear power plant is





15782. In an isochoric process,




15783. Coke is added in the blast furnace to





15784. A balanced draught boiler furnace employs __________ draught fan.





15785. Aluminium oxide (an abrasive) is used for grinding





15786. In a casting, cold shut defect is caused by





15787. Even minute presence of impurities in copper impairs its electrical conductivity seriously. Electrolytic refinning of blister copper is resorted to, when





15788. Which of the following metals can be extracted from its ore by both pyrometallur-gical as well as hydrometallurgical methods ?





15789. If a heat transfer surface is pock-marked with a number of cavities, then as compared to a smooth surface the heat transfer by __________ will not increase.





15790. Piezoelectric is a material





15791. Oxygen content below __________ percent in air contaminated with nitrogen does not support combustion and is unsafe for humane exposure.





15792. Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs.





15793. Production of one ton of steel plate in a modern integrated steel plant in India consumes about __________ kWh of electricity.





15794. Ceramic tips for the cutting tool are prepared from __________ powder.





15795. Fatigue strength of a metal is improved by





15796. Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2 . Then the outcoming steam will be





15797. An "orange peel" effect is observed





15798. The magnitude of water hammer caused in pipe flow is independent of the





15799. A metalloid possesses the characteristics of both the metals and non-metals. Which of the following is not a metalloid ?





15800. A person admitted as a member in a society shall be issued with an identity card in Form





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