An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

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An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

A. Adiabatic

B. Isothermal

C. Isentropic

D. Isochoric

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Ganister contains maximum percentage of

A. FeO

B. SiO2

C. MgO

D. MnO2

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Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

A. Achieve very high purity of aluminium (99.9%)

B. Keep the electrolyte in liquid condition by the generation of heat

C. Electrolytically dissociate alumina

D. Both (B) & (C)

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Silicon percentage in the silicon steel used for electrical appliances/equipments is

A. 0.3-0.4

B. 12-14

C. 3-4

D. 20-25

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For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

A. Reynolds number (based on sphere diameter) should be < 1

B. Flow around the sphere should be in turbulent region

C. Sphere must be metallic

D. Fluid density should be constant

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Ferromagnetic materials owe their properties to __________ inner sub-shells.

A. Completely filled

B. Partially filled

C. Equally filled

D. Vacant

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Which of the following is an example of cathodic protection of metals against corrosion?

A. Painted steel

B. Galvanised iron

C. Case hardened steel

D. Lead lined reactor

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Tumbling is the process of improving the __________ of the materials/parts.

A. Surface finish

B. Fatigue limit

C. Creep limit

D. Surface cleanliness

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The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

A. Full annealing

B. Bright annealing

C. Patenting

D. None of these

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Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

A. Malleable iron

B. Grey cast iron

C. Chilled cast iron

D. White cast iron

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__________ test can be termed as the semidestructive test.

A. Impact

B. Torsion

C. Hardness

D. Charpy

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Colour comparator is used to measure the

A. pH value

B. Electrode potential

C. Colour intensity

D. None of these

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Large scale fire on fuel gas line is normally extinguished by

A. Water

B. Steam

C. Foam

D. Nitrogen

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Which of the following is the most suitable abrasive for grinding high tensile strength materials?

A. Silicon carbide

B. Corundum

C. Aluminium oxide

D. Boron carbide

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Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

A. 80-120

B. 200-300

C. 600-800

D. 1000-1100

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Which of the following does not discharge the dust collected as a dry solid?

A. Electrostatic precipitator

B. Wet scrubber

C. Bag filter

D. Gravity settling chamber

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Laser welding is widely employed in the __________ industries.

A. Electronic

B. Structural

C. Process

D. Heavy

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For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

A. Temperature - entropy

B. Temperature - pressure

C. Enthalpy - entropy

D. Enthalpy-pressure

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Tesla metre per ampere (T. m/A) is the unit for the measurement of

A. Magnetic susceptibility

B. Magnetic moment

C. Permeability of free space

D. Flux density

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__________ rubber is generally used for making 'O' rings used for vacuum sealings.

A. Natural

B. Neoprene

C. Butadiene

D. Nitrile

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The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

A. More

B. Equal

C. Less

D. Double

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A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A. Steel

B. Glass

C. Rubber

D. Brass

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Air intake for an air compressor should be preferably taken from

A. A site, where cooling towers are located nearby

B. A site, where open coal yard in located nearby

C. An air conditioned room maintained at a temperature of 18°C

D. An outside atmosphere at 10°C

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The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

A. 159

B. 1837

C. 2537

D. 10000

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Which of the following is not an explosive?

A. TNT

B. CMC

C. RDX

D. Lead azide

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Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

A. Scratch

B. Indentation

C. Dynamic

D. Rebound

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Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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Particle nature of cathode rays is proved due to the fact that they

A. Travel in a straight line

B. Get deflected by magnetic electric field

C. Produce fluorescence

D. Heat the exposed material

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Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

A. Conduction

B. Convection

C. Radiation

D. Both 'a' & 'b'

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The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

A. Critical point

B. Curie temperature

C. Inversion temperature

D. Eutectic temperature

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In multipass welds, shot peening is done after each pass to

A. Close the surface porosity

B. Break the continuity of columnar grains

C. Flatten the weldment

D. Introduce texture in the weld

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Accepted Answer

B. Isothermal

An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Ganister contains maximum percentage of

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Silicon percentage in the silicon steel used for electrical appliances/equipments is

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Ferromagnetic materials owe their properties to __________ inner sub-shells.

Which of the following is an example of cathodic protection of metals against corrosion?

Tumbling is the process of improving the __________ of the materials/parts.

The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

__________ test can be termed as the semidestructive test.

Colour comparator is used to measure the

Large scale fire on fuel gas line is normally extinguished by

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

Which of the following does not discharge the dust collected as a dry solid?

Laser welding is widely employed in the __________ industries.

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Tesla metre per ampere (T. m/A) is the unit for the measurement of

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Air intake for an air compressor should be preferably taken from

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

Which of the following is not an explosive?

Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

Which of the following mainly decides the current to be employed is arc welding?

Particle nature of cathode rays is proved due to the fact that they

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

In multipass welds, shot peening is done after each pass to

Also checkout

An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Ganister contains maximum percentage of

Electrolytic reduction cell used for conversion of calcined Al2O3 to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to

Silicon percentage in the silicon steel used for electrical appliances/equipments is

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

Ferromagnetic materials owe their properties to __________ inner sub-shells.

Which of the following is an example of cathodic protection of metals against corrosion?

Tumbling is the process of improving the __________ of the materials/parts.

The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Out of the following, the best material capable of withstanding shock & vibration without the danger of cracking is

__________ test can be termed as the semidestructive test.

Colour comparator is used to measure the

Large scale fire on fuel gas line is normally extinguished by

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

Regeneration of molecular sieve requires it to be heated to a temperature of about __________ °C.

Which of the following does not discharge the dust collected as a dry solid?

Laser welding is widely employed in the __________ industries.

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Tesla metre per ampere (T. m/A) is the unit for the measurement of

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Air intake for an air compressor should be preferably taken from

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

Which of the following is not an explosive?

Mho's scale of hardness, which consists of 10 standard minerals is used for the measurement of __________ hardness.

Which of the following mainly decides the current to be employed is arc welding?

Particle nature of cathode rays is proved due to the fact that they

Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

In multipass welds, shot peening is done after each pass to

Also checkout

Electrolytic reduction cell used for conversion of calcined Al₂O₃ to Al is a carbon lined furnace operating at 800-900 °C. The purpose of electric current supplied to the furnace is to