Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering Page-1 section-7

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.
Superheating of steam is done at constant

A. Enthalpy

B. Entropy

C. Pressure

D. Volume

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2.
Pick out the wrong statement.

A. The X-rays can not be deflected by electric field unlike cathode rays

B. The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays

C. The quality of X-rays can be controlled by varying the anode-cathode voltage

D. Crystal structure of a material can be studied by an electron microscope

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3.
Gas carrying pipelines are best joined by

A. Nuts & bolts

B. Rivetting

C. Welding

D. None of these

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4.
Out of the following, the rays having the lowest wavelength is the

A. Radio waves

B. Ultrasonic waves

C. Infra red rays

D. X-rays

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5.
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ co-efficient of viscosity is called dynamic or absolute viscosity (where, V = velocity, $${{\text{V}}_{\text{g}}}$$ = velocity gradient).

A. V²

B. $$\frac{1}{{{{\text{V}}^2}}}$$

C. $$\frac{1}{{{{\text{V}}_{\text{g}}}}}$$

D. V_g

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6.
Galena is an ore of

A. Iron

B. Copper

C. Lead

D. Aluminium

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7.
Galvanic corrosion

A. Occurs in a bimetal couple

B. Occurs in highly stressed metallic parts only

C. Is exemplified by caustic embrittlement of boiler tubes

D. Is also called dezincification

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8.
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

A. Pure oxygen has been used for combustion

B. Nitrogen percentage in the fuel is very high

C. Excess air has been used for combustion

D. Hydrogen is not present in the fuel

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9.
Age hardening is connected with

A. Babbit metal

B. Gun metal

C. Stainless steel

D. Duralumin

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10.
The main charge in blast furnace is usually

A. Iron ore & coke

B. Iron ore, coke & air

C. Limestone, coke & iron ore

D. Limestone, sand & iron ore

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

1. Superheating of steam is done at constant

Answer & Solution

2. Pick out the wrong statement.

Answer & Solution

3. Gas carrying pipelines are best joined by

Answer & Solution

4. Out of the following, the rays having the lowest wavelength is the

Answer & Solution

5. In Newton's law of viscosity, which states that the shear stress is proportional to the __________ co-efficient of viscosity is called dynamic or absolute viscosity (where, V = velocity, $${{\text{V}}_{\text{g}}}$$ = velocity gradient).

Answer & Solution

6. Galena is an ore of

Answer & Solution

7. Galvanic corrosion

Answer & Solution

8. Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that

Answer & Solution

9. Age hardening is connected with

Answer & Solution

10. The main charge in blast furnace is usually

Answer & Solution

Read More Section(Chemical Engineering Basics)

1.
Superheating of steam is done at constant

2.
Pick out the wrong statement.

3.
Gas carrying pipelines are best joined by

4.
Out of the following, the rays having the lowest wavelength is the

5.
In Newton's law of viscosity, which states that the shear stress is proportional to the __________ co-efficient of viscosity is called dynamic or absolute viscosity (where, V = velocity, $${{\text{V}}_{\text{g}}}$$ = velocity gradient).

6.
Galena is an ore of

7.
Galvanic corrosion

8.
Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

9.
Age hardening is connected with

10.
The main charge in blast furnace is usually