The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

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The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

A. Final control element

B. On-off control

C. Floating control action

D. None of these

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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A. Aluminium carbide

B. Tungsten carbide

C. Nickel carbide

D. Iron carbide

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Austempering process results in the formation of __________ structure.

A. Martensitic

B. Bainitic

C. Carburised

D. Stressed

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Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

A. Occurs higher in the electro-chemical series of metals

B. Is exemplified by magnesium plate

C. Is much cheaper than the cathodic base material to be guarded against corrosion

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

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Pick out the wrong conversion of absolute & kinematic viscosities.

A. 1 stoke = 1 cm²/sec

B. 1 N.sec/m² = 10 paise

C. 1 stoke = 1 m²/sec

D. 1 m²/sec = 10⁴ stokes

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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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In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

A. Conduction

B. Radiation

C. Natural convection

D. Forced convection

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An atom bomb works on the principle of

A. Nuclear fission

B. Nuclear fusion

C. Both the nuclear fission & fusion

D. Ionisation

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Filler material used in welding should have __________ as compared to the parent metal to be welded.

A. Lower melting temperature

B. Same melting temperature

C. Same composition

D. Both 'b' & 'c'

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An alloy of Fe - 0.4 % C is

A. Cast iron

B. Hypo-eutectoid steel

C. Hyper-eutectoid steel

D. Eutectoid steel

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During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

A. Time

B. Square root of time

C. Square of time

D. Cube of time

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Work done by a/an __________ process is determined by ∫p. dv

A. Adiabatic

B. Quasi-static

C. Isothermal

D. Isentropic

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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, = velocity gradient).

A.

B.

C.

D.

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Which of the following is a commonly used manometric liquid for low pressure range?

A. Ethyl alcohol

B. Carbon tetrachloride

C. Glycerol

D. Ethylene glycol

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Globular form of cementite is formed during the __________ process.

A. Spheroidising

B. Hardening

C. Annealing

D. Normalising

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Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

A. SiO2

B. Al2O3

C. MnO2

D. P

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Dry saturated steam can be converted into superheated steam by

A. Increasing its cross-sectional area of flow

B. Passing it through a pressure reducing valve

C. Forcing it downwards through a vertical tube

D. None of these

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Case hardening is not done by

A. Nitriding

B. Hot dipping

C. Electroplating

D. Both b & c

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Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

A. 9,100

B. 13,000

C. 7,000

D. 2,550

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The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

A. 273.15

B. 225.65

C. 100.03

D. 373.15

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The normal stress is the same in all directions at a point in a fluid, only when the fluid

A. Is at rest & has zero viscosity

B. Is frictionless

C. Fluid layer has no motion relative to an adjacent layer of fluid

D. is incompressible & frictionless

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Drills are usually made of

A. Cermets

B. High speed steel

C. Alloy steel

D. Tungsten carbide

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Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

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Fatigue resistance of a material is measured by the

A. Elastic limit

B. Ultimate tensile strength

C. Young's modulus

D. Endurance limit

Discuss this answer

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

A. Flanged iron

B. Collar

C. Flexible

D. Expansion

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A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

A. Neutral

B. Ideal

C. Buffer

D. Zero pH

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

A. Natural

B. Neoprene

C. Butadiene

D. Nitrile

Discuss this answer

A material being tested for endurance strength is subjected to the __________ load.

A. Impact

B. Completely reversed

C. Dynamic

D. Static & dynamic

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Pick out the correct statement about the condensation.

A. Filmwise condensation gives a lower heat transfer rate than the dropwise condensation

B. Suitable coating or vapour additive is used to promote film wise condensation

C. If a condensing liquid does not wet the surface dropwise, even then condensation will take place on it

D. Reynolds number of condensing liquid is based on its mass flow rate

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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

Discuss this answer

Accepted Answer

A. Final control element

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Austempering process results in the formation of __________ structure.

Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

Pick out the wrong conversion of absolute & kinematic viscosities.

Alloys having more than 80% copper are generally more

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

An atom bomb works on the principle of

Filler material used in welding should have __________ as compared to the parent metal to be welded.

An alloy of Fe - 0.4 % C is

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

Work done by a/an __________ process is determined by ∫p. dv

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, = velocity gradient).

Which of the following is a commonly used manometric liquid for low pressure range?

Globular form of cementite is formed during the __________ process.

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

Dry saturated steam can be converted into superheated steam by

Case hardening is not done by

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Drills are usually made of

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Fatigue resistance of a material is measured by the

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

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

A material being tested for endurance strength is subjected to the __________ load.

Pick out the correct statement about the condensation.

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

Also checkout

The mechanism which changes the value of manipulated variable in response to the output signal from the control unit is called the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Austempering process results in the formation of __________ structure.

Sacrificial anode method is used in the protection of pipelines which are buried underground. Sacrificial anode

Pick out the wrong conversion of absolute & kinematic viscosities.

Alloys having more than 80% copper are generally more

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

An atom bomb works on the principle of

Filler material used in welding should have __________ as compared to the parent metal to be welded.

An alloy of Fe - 0.4 % C is

During decarburising of a plain carbon steel, the thickness of ferrite layer growth is proportional to

Work done by a/an __________ process is determined by ∫p. dv

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, = velocity gradient).

Which of the following is a commonly used manometric liquid for low pressure range?

Globular form of cementite is formed during the __________ process.

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

Dry saturated steam can be converted into superheated steam by

Case hardening is not done by

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Drills are usually made of

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

Fatigue resistance of a material is measured by the

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

A solution which resists change in its pH value on addition of acid/alkali is called the __________ solution.

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

A material being tested for endurance strength is subjected to the __________ load.

Pick out the correct statement about the condensation.

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

Also checkout

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².