The directional solidification in casting can be improved by using Chills and padding Chills, chaplets and padding Chills and chaplets Chaplets and padding TRUE ANSWER : ? YOUR ANSWER : ?
The hot working of metals is carried out At the recrystallisation temperature Above the recrystallisation temperature Below the recrystallisation temperature At any temperature TRUE ANSWER : ? YOUR ANSWER : ?
The process of increasing the cross-section of a bar at the expense of its length, is called Drawing down Spinning Upsetting Peening TRUE ANSWER : ? YOUR ANSWER : ?
The increase in hardness due to cold working, is called Flame hardening Age hardening Work hardening Induction hardening TRUE ANSWER : ? YOUR ANSWER : ?
The electrode tip diameter (d) in spot welding should be equal to (where t = Thickness of plate to be welded) √t 1.5 t 6 t 3 t TRUE ANSWER : ? YOUR ANSWER : ?
A basic hole is one whose None of these Lower deviation is zero Lower and upper deviations are zero Upper deviation is zero TRUE ANSWER : ? YOUR ANSWER : ?
A diamond pointed chisel is used for cutting Flat surfaces Grooves V-shaped grooves Key-ways TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following methods can be used for manufacturing 2 meter long seamless metallic tubes? Extrusion and rolling Extrusion Rolling Drawing TRUE ANSWER : ? YOUR ANSWER : ?
In a gas welding of mild steel using an oxyacetylene flame, the total amount of acetylene consumed is 10 litres. The oxygen consumption from the cylinder is 5 litres 15 litres 10 litres 20 litres TRUE ANSWER : ? YOUR ANSWER : ?
In sheet metal work, he cutting force on the tool can be reduced by Grinding the cutting edges sharp Increasing the hardness of tool Increasing the hardness of die Providing shear on tool TRUE ANSWER : ? YOUR ANSWER : ?