Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

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Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

A. Tensile strength

B. Compressive strength

C. Young's modulus

D. Thermal co-efficient of expansion

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The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

A. Lead

B. Copper

C. Aluminium

D. Wrought iron

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The most serious manufacturing defect from fracture toughness point of view is

A. Surface roughness

B. Pores

C. Spherical inclusion

D. Crack

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The hardenability of steel decreases with

A. Decrease in dislocation density

B. Increase in solutionising temperature

C. Increase in strength

D. Decrease in grain size

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Triple point of water is

A. 0°F

B. 492°R

C. 0°K

D. -273°C

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Out of the following the refractive index is the highest for

A. Glass

B. Diamond

C. Brine

D. Kerosene

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What is the percentage of chromium in 18-4-1 high speed steel?

A. 1

B. 4

C. 18

D. 23

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Which of the following fastening devices has a head at one end and a nut fitted to the other?

A. Bolt

B. Stud

C. Top bolt

D. None of these

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The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

A. Decreasing the surface area of the electrodes

B. Increasing the concentration of zinc sulphate solution

C. Increasing the surface area of the electrodes

D. Increasing the concentration of copper sulphate solution

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Which one is neutral in character?

A. N₂O₄

B. N₂O

C. N₂O₅

D. N₂O₃

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Potable water means the water used for

A. Fire-fighting

B. Cooling

C. Drinking

D. Evaporation to produce steam

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Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

A. Radiation

B. Conduction

C. Convection

D. Both (B) & (C)

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Pick out the wrong statement.

A. Complete unity of command exists in a line organisation

B. Line organisation is net suitable for expansion and growth of an industry

C. In line and staff organisation, line executes and staff directs

D. None of these

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Working of linear variable differential transducer (LVDT) is based on the principle of variable

A. Capacitance

B. Resistance

C. Mutual inductance

D. None of these

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With increase in impurities in metals, their corrosion resistances

A. Increase

B. Decrease

C. Remain same

D. May increase or decrease; depending on the type of metal

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

A.

B.

C.

D.

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Material of construction of the electrode used in the electric resistance welding is

A. Stainless steel

B. Graphite

C. Copper

D. Steel

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A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

A. Lack of free

B. Excess of

C. Decrease in

D. None of these

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Pick out the wrong statement about nucleate boiling.

A. Bubble generation is by expansion of entrapped gas/vapour at small cavities in the surface

B. Surface temperature is greater than the saturation temperature of the liquid

C. Heat transfer from the surface of the liquid is less than that in film boiling

D. The temperature is less than that of film boiling

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Machinability of hard alloys and tool steels is improved by

A. Spheroidising

B. Annealing

C. Tempering

D. Normalising

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Which of the following materials has the poorest electrical conductivity?

A. Carbon

B. Aluminium

C. Silver

D. Stainless steel

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A psychrometer does not measure the __________ temperature of moist air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

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On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

A. Creep

B. Toughness

C. Tensile strength

D. Fatigue

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Maximum permissible air velocity in pipelines is about __________ metre/second.

A. 5

B. 10

C. 20

D. 40

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Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

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The dew point of moist air becomes __________ with decrease in its relative humidity.

A. Less than the wet bulb temperature

B. More than the wet bulb temperature

C. More than the dry bulb temperature

D. Equal to wet bulb temperature

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The value of for air & most common gases can be safely assumed to be

A. 0.8

B. 1

C. 1.4

D. 1.8

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Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

A. 1

B. 10

C. 30

D. 50

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Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A. Pressure & temperature

B. Pressure & specific volume

C. Temperature & specific volume

D. Temperature only

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A material is capable of resisting softening at high temperature, because of its property termed as

A. Hot temper

B. Hot hardness

C. Fatigue

D. Creep

Discuss this answer

Accepted Answer

D. Thermal co-efficient of expansion

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

The most serious manufacturing defect from fracture toughness point of view is

The hardenability of steel decreases with

Triple point of water is

Out of the following the refractive index is the highest for

What is the percentage of chromium in 18-4-1 high speed steel?

Which of the following fastening devices has a head at one end and a nut fitted to the other?

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Which one is neutral in character?

Potable water means the water used for

Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

Pick out the wrong statement.

Working of linear variable differential transducer (LVDT) is based on the principle of variable

With increase in impurities in metals, their corrosion resistances

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

Material of construction of the electrode used in the electric resistance welding is

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

Pick out the wrong statement about nucleate boiling.

Machinability of hard alloys and tool steels is improved by

Which of the following materials has the poorest electrical conductivity?

A psychrometer does not measure the __________ temperature of moist air.

Which of the following materials has the maximum shrinkage allowance?

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

Maximum permissible air velocity in pipelines is about __________ metre/second.

Transformer cores are normally made from

The dew point of moist air becomes __________ with decrease in its relative humidity.

The value of for air & most common gases can be safely assumed to be

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A material is capable of resisting softening at high temperature, because of its property termed as

Also checkout

Steel rods are normally used for concrete reinforcement because concrete and steel have almost equal

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

The most serious manufacturing defect from fracture toughness point of view is

The hardenability of steel decreases with

Triple point of water is

Out of the following the refractive index is the highest for

What is the percentage of chromium in 18-4-1 high speed steel?

Which of the following fastening devices has a head at one end and a nut fitted to the other?

The emf of a Deniell cell Zn | Zn2+ || Cu2+ | Cu can be increased by

Which one is neutral in character?

Potable water means the water used for

Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

Pick out the wrong statement.

Working of linear variable differential transducer (LVDT) is based on the principle of variable

With increase in impurities in metals, their corrosion resistances

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

Material of construction of the electrode used in the electric resistance welding is

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

Pick out the wrong statement about nucleate boiling.

Machinability of hard alloys and tool steels is improved by

Which of the following materials has the poorest electrical conductivity?

A psychrometer does not measure the __________ temperature of moist air.

Which of the following materials has the maximum shrinkage allowance?

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

Maximum permissible air velocity in pipelines is about __________ metre/second.

Transformer cores are normally made from

The dew point of moist air becomes __________ with decrease in its relative humidity.

The value of for air & most common gases can be safely assumed to be

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its

A material is capable of resisting softening at high temperature, because of its property termed as

Also checkout

The emf of a Deniell cell Zn | Zn²⁺ || Cu²⁺ | Cu can be increased by

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its