Hot working of lead is carried out at_________________?
Hot working of lead is carried out at_________________?
A. 75° C
B. 373° K
C. 150° C
D. Room temperature
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Nickel made/clad equipments are suitable for handling________________?
Nickel made/clad equipments are suitable for handling________________?A. Ammonia (both aqueous & anhydrous)
B. Fruit juices, milk & its products and caustic soda solution
C. Nitric acid & hydrochloric acid (concentrated)
D. Sulphuric acid (concentrated)Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making________________?
Dead mild steel, which contains 0.10 to 0.15 percent carbon is used for making________________?A. Shafts
B. Flanges
C. Gears
D. Shear bladesPresence of high amount of silicon in cast iron________________?
Presence of high amount of silicon in cast iron________________?A. Suppresses the decomposition of Fe3C
B. Increases the formation of graphite
C. Increases the contraction of the metal
D. Reduces its fluidityThe purpose of nitriding the steel is to___________________?
The purpose of nitriding the steel is to___________________?A. Harden its surface
B. Soften its surface
C. Improve its reliability
D. None of theseBabbitt metal is not a___________________________?
Babbitt metal is not a___________________________?A. Tin base alloy
B. White metal
C. Lead base alloy
D. Pure metalMonel alloy is____________________?
Monel alloy is____________________?A. The costliest of all the alloys of nickel
B. Not suitable for making kitchen utensils
C. Used for making steam valves and turbine blades as it resists steam attack at high temperature
D. Not used in cast and wrought forms