A. Elastic limit
B. Plastic limit
C. Yield stress
D. Breaking stress
✅ The correct answer is option A.
Basic Chemical Engineering MCQs
Out of the following, the __________ pipe has the least corrosion resistance.
A. Mild steel
B. Copper
C. Cast iron
D. Wrought iron
✅ The correct answer is option D.
Stress and strain are related by __________ elastic constants for a linearly elastic, homogeneous & isotropic material.
A. One
B. Two
C. Three
D. Four
✅ The correct answer is option B.
The difference in the properties of a substance in three states of matter depends upon the
A. Binding energy of atoms
B. Difference in molecular shape
C. Difference in intermolecular forces
D. None of these
✅ The correct answer is option C.
Density in the solid state is slightly less than that in its liquid state, in case of
A. Carbon dioxide
B. Water
C. Mercury
D. None of these
✅ The correct answer is option B.
Pig iron is
A. Made from cast iron
B. Made from wrought iron
C. The one, which comes out of the blast furnace
D. Free from impurities
✅ The correct answer is option C.
Broaching tools are usually made of
A. Cermets
B. High speed steel
C. Tungsten carbide
D. Stellite
✅ The correct answer is option B.
The ability of a substance to assume two or more crystalline structure is called
A. Isomorphism
B. Polymorphism
C. Amorphism
D. Isomerism
✅ The correct answer is option B.
The thermal efficiency of a heat engine giving an output of 4 KW with an input of 10000 Joules/sec is __________ percent.
A. 40
B. 80
C. 10
D. 25
✅ The correct answer is option A.
Biological shield in a nuclear reactor is generally provided to protect against the
A. α-rays
B. β-rays
C. Gamma rays & neutrons
D. Electrons
✅ The correct answer is option C.