Question Set

1. The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->Read the statements carefully and answer the question which follow: A cube has six sides each of a different colour.The red side is opposite black.The green side is between red and black.The blue side is adjacent to white .The brown side is adjacent to blue.The red side is face down.The side opposite brown is:....
QA->Energy conversion in Electric oven?....
QA->Blue litmus paper is converted into red in solution of which thing?....
QA->Blue litmus paper is converted into red in solution of?....
QA->What is a mixture of potassium nitrate; powdered charcoal and sulphur called?....
MCQ->The cast iron when heated to red heat with powdered red haemetite in an oven for increasing its toughness, is converted to....
MCQ->The simplest method of welding two pieces of metal together is known as pressure welding.The ends of a metal are heated to a white heat-for iron,the welding temperature should be about 1300C-in a flame.At this temperature the metal becomes plastic.The ends are pressed or hammered together,and the joint is smoothed off.Care must be taken to ensure that surfaces are thoroughly clean first,for dirt will weaken the weld.Moreover,the heating of iron or steel to a high temperature cause oxidation,and a film of oxide is added to the heated surfaces.For this reason,flux is applied to the heated metal.At welding heat,flux melts and the oxide particles are dissolved in it together with any other impurities which may be present.The metal surfaces are pressed together,and the flux is squeezed out from the center of the weld.A number of different types of weld may be used,but for fairly thick bars of metals,a vee-shaped belt should be normally employed.It is rather stronger than ordinary butt weld. The simplest way of welding two pieces of metal together is....
MCQ->Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.....
MCQ->__________ of grey cast iron produces white cast iron.....
MCQ->White cast iron as compared to grey cast iron is....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution