Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering Page-1 section-12

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13

1.
Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

A. 5

B. 10

C. 20

D. 35

Answer & Solution Discuss in Board Save for Later

2.
With increase in impurities in metals, their corrosion resistances

A. Increase

B. Decrease

C. Remain same

D. May increase or decrease ; depending on the type of metal

Answer & Solution Discuss in Board Save for Later

3.
Uniform ramming of sand in green sand moulding process leads to

A. Reduced chance of gas porosity

B. Greater dimensional stability of the casting

C. Uniform flow of molten metal into the mould cavity

D. Less sand expansion type of casting defect

Answer & Solution Discuss in Board Save for Later

4.
Pick out the wrong statement. Termination of polymerisation reaction occurs, if the

A. Catalyst supply is stopped

B. Monomer supply is exhausted

C. Impurities present in monomers interfere with the chemical reaction

D. Two ends of a chain of molecules join

Answer & Solution Discuss in Board Save for Later

5.
Statistical quality control was developed by __________ , an American scientist during world war II.

A. Water shewhart

B. Fredric Taylor

C. John Wright

D. Woolmer

Answer & Solution Discuss in Board Save for Later

6.
Most important property of steels for use in automobile bodies is the

A. Formability

B. Yield strength

C. Toughness

D. Resilience

Answer & Solution Discuss in Board Save for Later

7.
The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag.

A. Fluidity

B. Basicity

C. Acidity

D. Viscosity

Answer & Solution Discuss in Board Save for Later

8.
In a titration involving weak acid and strong base, the preferred indicator is

A. Methyl orange

B. Phenolphthalein

C. Ethyl orange

D. Fehling's solution

Answer & Solution Discuss in Board Save for Later

9.
Projection welding & stud welding is categorised as the __________ welding.

A. Pressure

B. Thermit

C. Resistance

D. Arc

Answer & Solution Discuss in Board Save for Later

10.
Filler metal is not used in the __________ welding.

A. Seam

B. Electric spot

C. Projection

D. All of the above

Answer & Solution Discuss in Board Save for Later

1 2 3 4 5 6 7 8 9 10

Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

1. Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

Answer & Solution

2. With increase in impurities in metals, their corrosion resistances

Answer & Solution

3. Uniform ramming of sand in green sand moulding process leads to

Answer & Solution

4. Pick out the wrong statement. Termination of polymerisation reaction occurs, if the

Answer & Solution

5. Statistical quality control was developed by __________ , an American scientist during world war II.

Answer & Solution

6. Most important property of steels for use in automobile bodies is the

Answer & Solution

7. The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag.

Answer & Solution

8. In a titration involving weak acid and strong base, the preferred indicator is

Answer & Solution

9. Projection welding & stud welding is categorised as the __________ welding.

Answer & Solution

10. Filler metal is not used in the __________ welding.

Answer & Solution

Read More Section(Chemical Engineering Basics)

1.
Brass parts with high residual tensile stress at the surface are susceptible to season cracking (i.e. spontaneous cracking occuring on exposure to atmospheric corrosion), if its zinc percentage is more than

2.
With increase in impurities in metals, their corrosion resistances

3.
Uniform ramming of sand in green sand moulding process leads to

4.
Pick out the wrong statement. Termination of polymerisation reaction occurs, if the

5.
Statistical quality control was developed by __________ , an American scientist during world war II.

6.
Most important property of steels for use in automobile bodies is the

7.
The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag.

8.
In a titration involving weak acid and strong base, the preferred indicator is

9.
Projection welding & stud welding is categorised as the __________ welding.

10.
Filler metal is not used in the __________ welding.