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.Management Sciences
Category: Chemical Engineering Basics
Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which _____________ with increase in the pressure of steam?
0
A. Decreases
B. Increases
C. Remain same
D. May increase or decrease
With increasing carbon percent in steel beyond 0.8%, its ultimate tensile strength (UTS) and _____________ is not affected ?
A. Impact strength
B. Percent elongation
C. Hardness
D. Both B & C
Oxyacetylene reducing flame is used while carrying out welding on___________________?
A. Alloy steel
B. Grey cast iron
C. Mild steel
D. High carbon steel
Fibre glass is a composite material of_________________?
A. Glass fibre in a polymer matrix
B. Glass fibre in a metallic matrix
C. Polymer fibre in a glassy matrix
D. Both ‘b’ & ‘c’
Powder metallurgy process does not make metal powder by_________________________?
A. Atomisation
B. Grinding/milling
C. Hammering
D. Electrolytic deposition
Boiler tube size is specified by its thickness and _____________________ diameter ?
A. Outside
B. Inside
C. Mean
D. None of these
Production of one ton of paper in Indian paper industry consumes about ____________ kWh of electricity ?
A. 300
B. 800
C. 1400
D. 2000
Unbreakable crockeries are made from ______________ polymers?
A. Polystyrene
B. Melamine
C. Polystyrene
D. Polyurethane
High speed steel tools retain their hardness upto a temperature of __________________ °C?
A. 500
B. 750
C. 900
D. 1100
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