A. 0.09
B. 0.3
C. 0.57
D. 0.94
Percentage of argon (by volume) in dry atmospheric air is about________________? Read More »
Chemical Engineering Basics A. Heat addition & compression ratio
B. Heat addition & pressure
C. Compression ratio & pressure
D. Cylinder dimension & rpm
A. Used in I.C. engines as fuel
B. Liquefied & stored under cryogenic conditions
C. Produced by electrolysis of water
D. All (A), B. & C.
Hydrogen can be ________________? Read More »
Chemical Engineering Basics A. +4000
B. -4000
C. 10000
D. -10000
A. Whose oxide/ore is not reduced by carbon
B. Which fall in the category of alkali & alkaline earth metals
C. Which stands higher in the electrochemical series of the metal
D. All A, B. & C.
A. 1
B. 4
C. 18
D. 23
What is the percentage of chromium in 18-4-1 high speed steel ? Read More »
Chemical Engineering Basics A. Sorbite
B. Bainite
C. Martensite
D. Troostite
A. Increases
B. Decreases
C. Remain constant
D. Either A. or B.; depends on the material
With decrease in the grain size of a material, its creep resistance___________________? Read More »
Chemical Engineering Basics A. Number of electrons
B. Oxidation number
C. Number of ions
D. All A , B. & C.
An oxidation process is accompanied with decrease in the____________________? Read More »
Chemical Engineering Basics A. Gas
B. Arc
C. Thermit
D. Resistance
Consumable electrodes are used in the ____________________ welding? Read More »
Chemical Engineering Basics