Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C. 959 723 1493 1147 TRUE ANSWER : ? YOUR ANSWER : ?
Protection of ship hulls against sea water corrosion is done by coating with zinc because of the fact that zinc compared to iron is Cheaper Oxidised preferentially Reduced preferentially Lighter TRUE ANSWER : ? YOUR ANSWER : ?
Unit of viscosity in CGS system is Gm .cm⁻², sec⁻¹ Gm .cm⁻¹ sec⁻¹ Gm . cm² . sec⁻² Gm . cm . sec⁻¹ TRUE ANSWER : ? YOUR ANSWER : ?
Lead is added to 60:40 brass primarily to improve Fluidity Machinability Strength Corrosion resistance TRUE ANSWER : ? YOUR ANSWER : ?
Milk is fat dispersed in water. It is an example of Suspension Solution Gel Emulsion TRUE ANSWER : ? YOUR ANSWER : ?
A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent. 300 200 150 400 TRUE ANSWER : ? YOUR ANSWER : ?
Ignition of fuel in a diesel engine is by Fuel injection Hot compressed air None of these Spark TRUE ANSWER : ? YOUR ANSWER : ?
__________ test can be termed as the semi-distructive test. Torsion Hardness Charpy Impact TRUE ANSWER : ? YOUR ANSWER : ?
Out of the following, which will fracture most readity, when hit with a hard hammer ? Cast iron Bronze Brass German silver TRUE ANSWER : ? YOUR ANSWER : ?