Fatigue resistance of a material is measured by the

Question

Fatigue resistance of a material is measured by the

A. Elastic limit

B. Ultimate tensile strength

C. Young's modulus

D. Endurance limit

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Stellite is a __________ material.

A. Ferrous

B. Ceramic

C. Cemented carbide

D. Non-ferrous cast alloy cutting tool

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A material subjected __________ must have high resilience.

A. Shock loading

B. Vibration

C. Fatigue

D. Tension

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Which of the following rays has the least wavelength?

A. Ultraviolet rays

B. Infrared rays

C. Cosmic rays

D. X-rays

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The product out from a cupola is called

A. Wrought iron

B. Pig iron

C. Cast iron

D. None of these

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The 'laughing gas' is

A. Nitrous oxide

B. Nitric oxide

C. Nitrogen trioxide

D. Nitrogen pentoxide

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The units of the rate constant for a second order reaction are

A.

B.

C.

D.

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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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The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

A. 3

B. 7

C. 11

D. 15

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The process of removal of scale formed during hot rolling of steel is termed as

A. Descaling

B. Shot blasting

C. Pickling

D. Skimming

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Diamagnetic materials

A. Are magnetised by eddy currents only

B. Are non-magnetic and cannot be magnetised

C. Are magnetised in direction opposite to the magnetic field

D. Can be magnetised in one direction only

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Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

A. High fusibility & fluidity

B. High thermal conductivity

C. Low density

D. High chemical activity

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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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With increase in annealing temperature, the following defect density decreases.

A. Vacancy

B. Dislocation

C. Grain boundary

D. All 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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Cold chisel & hammers are made of

A. High speed steel

B. High carbon steel

C. Forged steel

D. Mild steel

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The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

A. Tension

B. Shear

C. Compression

D. Bending & tension

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The cathode in an electrochemical cell always carries

A. Negative charge

B. Positive charge

C. Zero charge

D. Positive or negative charge depending upon the nature of the cell

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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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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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Spark plug is provided in a/an

A. Engine having carburettor

B. Diesel engine

C. Compression ignition engine

D. Both (B) & (C)

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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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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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__________ flux is used for the extraction of metal from its self fluxing ores.

A. No

B. Acid

C. Basic

D. Neutral

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Hot extrusion process is not used for making

A. Cast iron pipe for domestic water supply

B. Aluminium curtain rods

C. Stainless steel tubes used in furnitures

D. Any of these

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Which of the following fastening devices has its both ends threaded?

A. Bolt

B. Stud

C. Set screw

D. Split nut

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Atomic __________ is a whole number for an element.

A. Number

B. Weight

C. Radius

D. None of these

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A form of stress corrosion failure termed as 'season cracking' is generally observed in

A. Thermosetting polymers

B. High carbon steels

C. Brasses

D. Borosilicate glasses

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Angular displacement can be measured suitably by a

A. Shaft encoder

B. Linear variable differential transducer (LVDT)

C. Stroboscope

D. Tachometer

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Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

A. Nitrogen oxides

B. Hydrocarbons

C. Both 'a' & 'b'

D. Carbon monoxide

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In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

A. ΔQ = 0, ΔS=0

B. ΔQ = 0, ΔS = +ve

C. ΔQ = 0, ΔS = -ve

D. ΔQ = +ve, ΔS= +ve

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Accepted Answer

D. Endurance limit

Fatigue resistance of a material is measured by the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Stellite is a __________ material.

A material subjected __________ must have high resilience.

Which of the following rays has the least wavelength?

The product out from a cupola is called

The 'laughing gas' is

The units of the rate constant for a second order reaction are

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

The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

The process of removal of scale formed during hot rolling of steel is termed as

Diamagnetic materials

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

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

With increase in annealing temperature, the following defect density decreases.

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

Cold chisel & hammers are made of

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

The cathode in an electrochemical cell always carries

Case hardening of a material is

Normalising does not __________ of a metal.

Spark plug is provided in a/an

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).

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

__________ flux is used for the extraction of metal from its self fluxing ores.

Hot extrusion process is not used for making

Which of the following fastening devices has its both ends threaded?

Atomic __________ is a whole number for an element.

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Angular displacement can be measured suitably by a

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

Also checkout

Fatigue resistance of a material is measured by the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Stellite is a __________ material.

A material subjected __________ must have high resilience.

Which of the following rays has the least wavelength?

The product out from a cupola is called

The 'laughing gas' is

The units of the rate constant for a second order reaction are

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

The escape velocity of a body on earth which is independent of its mass is about __________ km/second.

The process of removal of scale formed during hot rolling of steel is termed as

Diamagnetic materials

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

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

With increase in annealing temperature, the following defect density decreases.

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

Cold chisel & hammers are made of

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

The cathode in an electrochemical cell always carries

Case hardening of a material is

Normalising does not __________ of a metal.

Spark plug is provided in a/an

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).

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

__________ flux is used for the extraction of metal from its self fluxing ores.

Hot extrusion process is not used for making

Which of the following fastening devices has its both ends threaded?

Atomic __________ is a whole number for an element.

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Angular displacement can be measured suitably by a

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

In a totally irreversible isothermal expansion process for an ideal gas, ΔE = 0, ΔH = 0. Then ΔQ and ΔS will be

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).