Removal of non-condensable from steam or other vapour is termed as the ________________ process?
A. Condensation
B. Deaeration
C. Scavenging
D. Exhaust
Chemical Engineering Basics
______________ cannot increase the fatigue strength of a material?
______________ cannot increase the fatigue strength of a material?
A. Grain refining
B. Grain coarsening
C. Surface hardening
D. Shot peening
Production of a hollow product by inflation of a tube or parison is called the _______________ process?
Production of a hollow product by inflation of a tube or parison is called the _______________ process?
A. Blow moulding
B. Calendaring
C. Extrusion
D. Injection
Coarse grained steels have____________________?
Coarse grained steels have____________________?
A. Low toughness
B. No tendency to distort
C. High density
D. Very high toughness
Unbreakable crockeries are made from ______________ polymers?
Unbreakable crockeries are made from ______________ polymers?
A. Polystyrene
B. Melamine
C. Polystyrene
D. Polyurethane
A form of stress corrosion failure termed as ‘season cracking’ is generally observed in __________________?
A form of stress corrosion failure termed as ‘season cracking’ is generally observed in __________________?
A. Thermosetting polymers
B. High carbon steels
C. Brasses
D. Borosilicate glasses
Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?
Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas) ?
A. √T
B. 1/√P
C. √y
D. 1/√ρ
Hot & cold working of material causes its _______________ deformation?
Hot & cold working of material causes its _______________ deformation?
A. Visco-elastic
B. Isotropic
C. Elastic
D. Plastic
Thermit welding is categorised as the ______________________ welding ?
Thermit welding is categorised as the ______________________ welding ?
A. Forge
B. Fusion
C. Resistance
D. Arc
Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ___________________?
A. Manganese
B. Silicon
C. Nickel
D. Chromium