A. Decreases & increases
B. Increases & increases
C. Increases & decreases
D. Decreases & decreases
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
Fibre reinforced plastic (FRP) are
A. Made of glass fibre and thermoplastic resins
B. Anisotropic
C. Made of thermosetting resin and glass fibre
D. Both B and C
✅ The correct answer is option D.
1% concentration of water vapor in air is equivalent to __________ ppm (parts per million).
A. 10000
B. 1000
C. 100
D. 10
✅ The correct answer is option A.
Principal alloying element in Elinvar (used for making hair springs for watches) is
A. Copper
B. Aluminium
C. Nickel
D. Zinc
✅ The correct answer is option C.
According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is
A. 180°
B. 212°
C. 32°
D. 273°
✅ The correct answer is option A.
The most abundant metal present in the earth’s crust is;
A. Iron
B. Copper
C. Titanium
D. Aluminium
✅ The correct answer is option D.
Which of the following is capable of acting both as an acid flux as well as a basic flux in the metal extraction from its ore?
A. Silica
B. Lime
C. Alumina
D. Fluorite
✅ The correct answer is option C.
Aromatics are desired constituents of
A. Lubricating oil
B. Diesel
C. Kerosene
D. Petrol
✅ The correct answer is option C.
Fibrous fracture is normally encountered in the __________ materials.
A. Hard
B. Elastic
C. Ductile
D. Brittle
✅ The correct answer is option C.
Wohler test is a destructive test to find out the __________ strength of a prepared metal specimen.
A. Creep
B. Fatigue
C. Endurance
D. Tensile
✅ The correct answer is option B.