_______________ is the trade name assigned to a non-ferrous cast alloy composed of cobalt, chromium & tungsten ?
A. Stellite
B. High speed steel
C. Cermet
D. Alnico
Chemical Engineering Basics
Runge-Kutta method is used to solve a/an __________________________?
Runge-Kutta method is used to solve a/an __________________________?
A. Ordinary differential equation of nth order
B. Simultaneous non-linear equation
C. Linear differential equation
D. None of these
Machinability of hard alloys and tool steels is improved by_____________________?
Machinability of hard alloys and tool steels is improved by_____________________?
A. Spheroidising
B. Annealing
C. Tempering
D. Normalising
The ratio of the shear stress to the principal stress on a principal plane is______________________?
The ratio of the shear stress to the principal stress on a principal plane is______________________?
A. 0
B. 1
C. 1/2
D. 1/3
Which of the following is a commonly used manometric liquid for low pressure range ?
Which of the following is a commonly used manometric liquid for low pressure range ?
A. Ethyl alcohol
B. Carbon tetrachloride
C. Glycerol
D. Ethylene glycol
_______________ has a negative co-efficient of linear expansion?
_______________ has a negative co-efficient of linear expansion?
A. Iron
B. Copper
C. Rubber
D. Nickel
Maximum permissible sulphur content in steel is ______________ percent ?
Maximum permissible sulphur content in steel is ______________ percent ?
A. 0.015
B. 0.055
C. 0.505
D. 0.805
A spring material should have low__________________?
A spring material should have low__________________?
A. Elastic limit
B. Deflection value
C. Fatigue resistance
D. None of these
A common disinfectant used in village wells for disinfection of water is __________________?
A common disinfectant used in village wells for disinfection of water is __________________?
A. Free chlorine
B. Bromine
C. Iodine
D. Potassium permanganate
Which of the following is not an ore of copper ?
Which of the following is not an ore of copper ?
A. Cryolite
B. Azurite
C. Chalcopyrite
D. Malachite