Chemical Engineering Mcqs

The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called__________________?

(A) Bauschinger effect
(B) Hooke’s effect
(C) Hysteresis
(D) Relaxation

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A measure of toughness of a material is its________________?

(A) Percentage elongation
(B) Yield strength
(C) Ultimate strength
(D) Area under stress-strain diagram

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Neutraliser tank used for reacting nitric acid with ammonia for the production of ammonium nitrate is made of________________?

(A) Aluminium
(B) Stainless steel
(C) High silicon (14%) iron
(D) Copper

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Which of the following is produced by condensation polymerisation ?

(A) Bakelite
(B) Polythene
(C) Poly vinyl chloride
(D) Polystyrene

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Tin in its pure form is used for making_______________?

(A) Cans for food packing
(B) Collapsible tubes for toilet preparations
(C) Foil for wrapping cheese
(D) All

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Thermoplastic resins are those polymers, which____________________?

(A) Has decreased plasticity at increasing temperature
(B) Cannot be moulded
(C) Easily deform under pressure at high temperature
(D) None of these

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Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?

(A) Nuts
(B) Bolts
(C) Chisels
(D) Studs

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Carbon tetrachloride can be stored in a storage vessel made of________________?

(A) High silicon iron (14% Si)
(B) Tin
(C) Stainless steel
(D) All

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Approximate value of the modulus of elasticity for steel is about _____________ × 106kg/cm2?

(A) 0.5
(B) 2
(C) 40
(D) 75

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Which of the following is the softest material ?

(A) Quartz
(B) Calcite
(C) Corundum
(D) Fluorite

Submitted By :Ali Uppal

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