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

Question

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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Difference at any instant between the value of the controlled variable and the set point is called the

A. Deviation

B. Derivative time

C. Error ratio

D. Differential gap

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Which of the following forces does not act on a fluid at rest?

A. Viscous force

B. Gravity force

C. Hydrostatic force

D. Surface tension force

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The following type of bonding is strongly directional in solids.

A. Vander Waal's

B. Ionic

C. Metallic

D. Covalent

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Boiling point of water gets lowered at high altitudes (e.g., hills), because

A. Temperature is low

B. Atmospheric pressure is low

C. Atmospheric pressure is high

D. None of these

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Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

A. Paper

B. Cloth

C. Lead

D. Aluminium

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Alloys having more than 80% copper are generally more

A. Abrasion resistant

B. Corrosion resistant

C. Prone to season cracking

D. Machinable

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__________ is used for tying the steel columns to concrete foundation.

A. Grouting

B. Eyebolt

C. Anchor bolts

D. Refractory castables

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Runge-Kutta method is used to solve a/an

A. Ordinary differential equation of nth order

B. Simultaneous non-linear equation

C. Linear differential equation

D. None of these

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According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

A. 0.5

B. 2

C. √2

D. √3/2

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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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Pick out the wrong statement.

A. Copper is the metal having the highest electronic conductivity

B. Hardenability & Weldability of metals are inversely related

C. Covalent bonding formed by sharing of electrons is present in all semi-conductor materials

D. Glass transition temperature applies to 'polymers' but not to 'glasses'

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Dew point temperature always gives an indication of the __________ of the moist air.

A. Dryness

B. Moisture content

C. Coolness

D. Latent heat

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Chromium molybdenum steel cannot be welded using __________ welding.

A. Thermit

B. Electrical resistance

C. Oxy-acetylene

D. Any of these

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With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

A. Supercharging

B. Wall temperature

C. Compression ratio

D. Engine speed

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In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

A. Mechanical

B. Overall

C. Volumetric

D. Impeller

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Case hardening of a material is

A. Followed by tempering or carburising

B. Preceded by its tempering

C. Done to get a soft ductile interior with a very hard surface

D. Carried out to get extreme hardness in its core

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Heating of ferromagnetic materials to a temperature above Curie temperature makes it

A. Insulator for heat & electricity transmission

B. Ferritic

C. Behave like paramagnetic materials

D. Superconductor

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Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

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Glass reacts with

A. H₂SO₃

B. HF

C. HNO₃

D. K₂Cr₂O₇

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__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

B. Tensile

C. Compressive

D. None of these

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Stainless steel is welded with difficulty because of

A. Its high melting temperature

B. Chances of cracking

C. Oxide film formation

D. Chromium carbide formation

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Function of fusible plug in a boiler is to

A. Drain out water and sludge from the boiler during repair

B. Put off fire in the furnace when water level in the boiler falls to unsafe limit

C. Guard the boiler in case of abnormal rise in steam pressure

D. All (A), (B) & (C)

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Plastics as a material of construction suffer from the drawback of low

A. Machinability

B. Density

C. Strength

D. Plastic deformation

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Window panes of aeroplanes are normally made of

A. Perspex (PMMA)

B. Teflon (PTFE)

C. Bakelite (phenol formaldehyde)

D. Polystyrene

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Normalising does not __________ of a metal.

A. Improve machinability & tensile strength

B. Remove internal stresses

C. Refine the structure

D. Remove strains caused by cold working

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__________ wire is never used for making the heating element.

A. Nichrome

B. Kanthal

C. Invar

D. None of these

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Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

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Lead is poured into the joint between two- __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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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' & 'c'

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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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Accepted Answer

B. Wet scrubber

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Difference at any instant between the value of the controlled variable and the set point is called the

Which of the following forces does not act on a fluid at rest?

The following type of bonding is strongly directional in solids.

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

Alloys having more than 80% copper are generally more

__________ is used for tying the steel columns to concrete foundation.

Runge-Kutta method is used to solve a/an

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Which of the following is not an explosive?

Pick out the wrong statement.

Dew point temperature always gives an indication of the __________ of the moist air.

Chromium molybdenum steel cannot be welded using __________ welding.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

Case hardening of a material is

Heating of ferromagnetic materials to a temperature above Curie temperature makes it

Thermal efficiency of an internal combustion engine is around __________ percent.

Glass reacts with

__________ stress cannot be sustained by a fluid in equilibrium.

Stainless steel is welded with difficulty because of

Function of fusible plug in a boiler is to

Plastics as a material of construction suffer from the drawback of low

Window panes of aeroplanes are normally made of

Normalising does not __________ of a metal.

__________ wire is never used for making the heating element.

Oxyacetylene reducing flame is used while carrying out welding on

Lead is poured into the joint between two- __________ pipes.

Fibre reinforced plastic (FRP) are

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Also checkout

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Difference at any instant between the value of the controlled variable and the set point is called the

Which of the following forces does not act on a fluid at rest?

The following type of bonding is strongly directional in solids.

Boiling point of water gets lowered at high altitudes (e.g., hills), because

Wave length of X-rays is about 1 angstrom; however it cannot pass through a sheet of

Alloys having more than 80% copper are generally more

__________ is used for tying the steel columns to concrete foundation.

Runge-Kutta method is used to solve a/an

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Which of the following is not an explosive?

Pick out the wrong statement.

Dew point temperature always gives an indication of the __________ of the moist air.

Chromium molybdenum steel cannot be welded using __________ welding.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller).

Case hardening of a material is

Heating of ferromagnetic materials to a temperature above Curie temperature makes it

Thermal efficiency of an internal combustion engine is around __________ percent.

Glass reacts with

__________ stress cannot be sustained by a fluid in equilibrium.

Stainless steel is welded with difficulty because of

Function of fusible plug in a boiler is to

Plastics as a material of construction suffer from the drawback of low

Window panes of aeroplanes are normally made of

Normalising does not __________ of a metal.

__________ wire is never used for making the heating element.

Oxyacetylene reducing flame is used while carrying out welding on

Lead is poured into the joint between two- __________ pipes.

Fibre reinforced plastic (FRP) are

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Also checkout

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).