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).

Question

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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Highest cutting speed is achieved by the __________ tool material.

A. High speed steel

B. Carbide

C. Cast alloy

D. Plain carbon steel

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__________ property of steel increases by addition of large amount of silicon in it.

A. Mechanical

B. Machining

C. Magnetic

D. Refractory

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Ganister contains maximum percentage of

A. FeO

B. SiO2

C. MgO

D. MnO2

Discuss this answer

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A. 10^-3

B. 10³

C. 10^-15

D. 10¹⁵

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Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

A. Hot rolled mild

B. Cold rolled mild

C. Forged

D. Machinable stainless

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Dislocation cross-slip is difficult in those materials, which have

A. Large number of slip systems

B. High work hardening rate

C. Coarse grain size

D. Low stacking fault energy

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In the acid Bessemer process, the hot metal should have the following composition.

A. S < 0.05% and P < 0.05%

B. S < 0.05% and P < 1.5%

C. S < 0.05% and P > 1.5%

D. S > 1.5% and P < 0.05%

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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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Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

A. 20

B. 200

C. 500

D. 2000

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Hot extrusion of aluminium is done in the temperature range of __________ °C.

A. 550-600

B. 450-500

C. 350-400

D. 250-300

Discuss this answer

The joint for soldering is supported by binding wire made of

A. Mild steel

B. Copper

C. Soft iron

D. Stainless steel

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Encyclopaedia of Chemical Technology has been

A. Authored by Kirk Othmer

B. Edited by Perry and Chilton

C. Edited by Kirk Othmer

D. Authored by Perry and Chilton

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Steels with high carbon equivalent have poor Weldability, because in these steels during welding

A. Carbon and other alloying elements get oxidised from the weld pool

B. Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld

C. Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

D. Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld

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Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

A. 1.5

B. 3

C. 5

D. 7

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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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Sudden fall of atmospheric pressure by a large amount is an indication of the

A. Rain

B. Cold wave

C. Storm

D. Fair weather

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Which of the following pairs is not correctly matched?

A. Uranium - 233 : Fertile material

B. Binding energy : Mass defect

C. Scattering: Absorption cross-section

D. Number of nucleons : Mass number

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Natural water contains approximately __________ percent of heavy water.

A. 0.015

B. 0.71

C. 1.2

D. 3.5

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Sub zero treatment of steel is done to

A. Suppress martensite transformation

B. Enhance its working performance in sub zero atmosphere

C. Reduce the retained austenite in hardened steel

D. Induce temper brittleness after its hardening

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Coating provided on the electrodes used in the arc welding is not expected to

A. Add alloying elements

B. Prevent electrode from contamination

C. Stabilise the arc

D. Provide protective atmosphere to weld

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Gantt charts are used for streamlining the

A. Inventory control

B. Production schedule

C. Sales forecasting

D. Quality control

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Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

A. Independent of

B. Inversely proportional to

C. Directly proportional to

D. None of these

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Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

A. 1

B. 10

C. 25

D. 50

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Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

A. Steel

B. Lignite

C. Water

D. Lime stone

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Basicity of the slag in Indian blast furnace is in the range of

A. 0.7-1.0

B. 1.1-1.4

C. 1.5 - 1.8

D. 2.0 - 2.5

Discuss this answer

Propulsion of rocket follows from the

A. Newton's second law of motion

B. Newton's third law of motion

C. Law of projectiles

D. Archimedes principle

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Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

A. Entropy

B. Pressure

C. Volume

D. Heat

Discuss this answer

Oxyacetylene reducing flame is used while carrying out welding on

A. Alloy steel

B. Grey cast iron

C. Mild steel

D. High carbon steel

Discuss this answer

Accepted Answer

A. Mechanical

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).

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Highest cutting speed is achieved by the __________ tool material.

__________ property of steel increases by addition of large amount of silicon in it.

Ganister contains maximum percentage of

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Dislocation cross-slip is difficult in those materials, which have

In the acid Bessemer process, the hot metal should have the following composition.

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

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Hot extrusion of aluminium is done in the temperature range of __________ °C.

The joint for soldering is supported by binding wire made of

Encyclopaedia of Chemical Technology has been

Steels with high carbon equivalent have poor Weldability, because in these steels during welding

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

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?

Sudden fall of atmospheric pressure by a large amount is an indication of the

Which of the following pairs is not correctly matched?

Natural water contains approximately __________ percent of heavy water.

Sub zero treatment of steel is done to

Coating provided on the electrodes used in the arc welding is not expected to

Gantt charts are used for streamlining the

Addition of __________ to steel does not help in improving its machinability.

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

Basicity of the slag in Indian blast furnace is in the range of

Propulsion of rocket follows from the

Steel produced from phosphatic iron is __________ in nature.

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Oxyacetylene reducing flame is used while carrying out welding on

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).

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Highest cutting speed is achieved by the __________ tool material.

__________ property of steel increases by addition of large amount of silicon in it.

Ganister contains maximum percentage of

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Dislocation cross-slip is difficult in those materials, which have

In the acid Bessemer process, the hot metal should have the following composition.

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

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Hot extrusion of aluminium is done in the temperature range of __________ °C.

The joint for soldering is supported by binding wire made of

Encyclopaedia of Chemical Technology has been

Steels with high carbon equivalent have poor Weldability, because in these steels during welding

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

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?

Sudden fall of atmospheric pressure by a large amount is an indication of the

Which of the following pairs is not correctly matched?

Natural water contains approximately __________ percent of heavy water.

Sub zero treatment of steel is done to

Coating provided on the electrodes used in the arc welding is not expected to

Gantt charts are used for streamlining the

Addition of __________ to steel does not help in improving its machinability.

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

Basicity of the slag in Indian blast furnace is in the range of

Propulsion of rocket follows from the

Steel produced from phosphatic iron is __________ in nature.

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Oxyacetylene reducing flame is used while carrying out welding on

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).