The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A. Fatigue strength

B. Creep strength

C. Resilience

D. Endurance limit

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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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The life of a ball bearing is inversely proportional to

A. (Load)¹

B. (Load)²

C. (Load)³

D. (Load)^0.33

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Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

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A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

A. 150

B. 200

C. 300

D. 400

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Which of the following alloying elements is present in maximum percentage in high speed steel?

A. Molybdenum

B. Chromium

C. Tungsten

D. Vanadium

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The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

A. Wetness

B. Mass flow rate

C. Both 'a' & 'b'

D. Neither 'a' nor 'b'

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Unbreakable crockeries are made from __________ polymers.

A. Polystyrene

B. Melamine

C. Polystyrene

D. Polyurethane

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Which of the following are considered applications of ultrasonic testing?

A. Determination of elastic constant

B. Detection of defects in metal

C. Measurement of material thickness

D. None of the above

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Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

A. 5

B. 1.25

C. 2.5

D. 3.75

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. Lumps

B. Pellets

C. Briquettes

D. Sinter

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__________ joint is mostly used for joining pipes carrying water at low pressure.

A. Nipple

B. Socket

C. Union

D. Bell and spigot

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In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

A. Percentage elongation

B. Brinell hardness

C. Tensile strength

D. All 'a', 'b' & 'c'

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'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

A. Petrol

B. LPG

C. Light hydrocarbon gases (e.g. butane or propane)

D. None of these

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Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

A.

B.

C.

D.

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The substance used as a smoke screen in warfare is

A. C2H2

B. SiCl4

C. P2O5

D. PCl5

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To counteract the bad effects of strain hardening on a cold formed part, it must be

A. Tempered

B. Normalised

C. Annealed

D. Hardened

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Spherical shape of mercury droplets is due to its

A. High viscosity

B. Low surface tension

C. High density

D. High surface tension

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Cemented carbide tools are not suitable for cutting

A. Aluminium

B. Brass

C. Cast iron

D. Steel

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Resilience of a bolt can be increased by increasing its

A. Length

B. Shank diameter

C. Head diameter

D. None of these

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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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Consumable electrodes are used in the __________ welding.

A. Gas

B. Arc

C. Thermit

D. Resistance

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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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Lead is added to 60:40 brass primarily to improve

A. Machinability

B. Corrosion resistance

C. Fluidity

D. Strength

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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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The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

A. Red

B. Extended

C. Super

D. Extreme

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Dislocations are __________ defects.

A. Point

B. Line

C. Volume

D. None of these

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Which one is neutral in character?

A. N₂O₄

B. N₂O

C. N₂O₅

D. N₂O₃

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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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Silicon percentage in acid resistant cast iron is about

A. 4

B. 8

C. 14

D. 20

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__________ temperature remains constant during adiabatic saturation process of unsaturated air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

Discuss this answer

Accepted Answer

D. Endurance limit

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

Correct Answer :

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Related Questions

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Which of the following are considered applications of ultrasonic testing?

Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

__________ joint is mostly used for joining pipes carrying water at low pressure.

In case of brasses, with decreasing zinc percentage and increasing copper percentage, its __________ increases.

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

Which of the following is the correct nature of shear stress distribution along the cross section in a horizontal circular pipe under steady state fluid flow condition?

The substance used as a smoke screen in warfare is

To counteract the bad effects of strain hardening on a cold formed part, it must be

Spherical shape of mercury droplets is due to its

Cemented carbide tools are not suitable for cutting

Resilience of a bolt can be increased by increasing its

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

Consumable electrodes are used in the __________ welding.

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?

Lead is added to 60:40 brass primarily to improve

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

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

Dislocations are __________ defects.

Which one is neutral in character?

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

Silicon percentage in acid resistant cast iron is about

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