The most detrimental impurity in high pressure boiler feed water is Turbidity Dissolved salt Suspended salt Silica TRUE ANSWER : ? YOUR ANSWER : ?
'Flare tower' used in industry is meant for Cooling of furnace exhaust gases None of these Absorbing the pollutant gases from the furnace exhaust Venting off (after burning) the excess inflammable/toxic gases at high pressure 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. 400 300 200 150 TRUE ANSWER : ? YOUR ANSWER : ?
Friction factor for fluid flow in pipe does not depend upon the Pipe length Pipe roughness Fluid density & viscosity Mass flow rate of fluid TRUE ANSWER : ? YOUR ANSWER : ?
Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are Molybdenun, tungsten & chromium Cobalt, zirconium & molybdenum Cobalt, chromium & tungsten Cobalt, chromium & nickel TRUE ANSWER : ? YOUR ANSWER : ?
There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. None of these Three One Two TRUE ANSWER : ? YOUR ANSWER : ?
Angular displacement can be measured suitably by a Tachometer Linear variable differential transducer (LVDT) Stroboscope Shaft encoder TRUE ANSWER : ? YOUR ANSWER : ?
Hydrogen in liquid steels is dissolved As tiny gas bubbles In the ionic form In the molecular form In the atomic form TRUE ANSWER : ? YOUR ANSWER : ?
A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material? Brass Steel Glass Rubber TRUE ANSWER : ? YOUR ANSWER : ?
__________ is the most important element, which controls the physical properties of steel. Manganese Vanadium Silicon Carbon TRUE ANSWER : ? YOUR ANSWER : ?