The main constituent of bones is

Question

The main constituent of bones is

A. CaF₂

B. Ca₃(PO₄)₂

C. CaCO₃

D. CaCl₂

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Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

A. Pure oxygen has been used for combustion

B. Nitrogen percentage in the fuel is very high

C. Excess air has been used for combustion

D. Hydrogen is not present in the fuel

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Most important property of steels for use in automobile bodies is the

A. Formability

B. Yield strength

C. Toughness

D. Resilience

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

A. Entropy

B. Pressure

C. Volume

D. Heat

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Which of the following does not have a sharp melting point?

A. Thoria

B. Glass

C. Ice

D. Pig iron

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Most of the phosphorous present in the blast furnace burden enters into

A. Hot metal

B. Flue gases

C. Slag

D. Refractory lining

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Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

A. E = 2G (1 + v)

B. E = G (1 + v)

C. E = G (1 + v)/2

D. E = 2G (1 + 2v)

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M10 index of coke indicates its

A. Compressive strength

B. Hardness

C. Abrasion resistance

D. Impact strength

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Rankine cycle comprises of two isothermal and two __________ processes.

A. Isobaric

B. Polytropic

C. Isentropic

D. None of these

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Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

A. 746

B. 3000

C. 1000

D. 550

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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 consumption of limestone is in the __________ industry.

A. Iron and steel

B. Cement

C. Glass

D. Fertiliser

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The following thermocouple may be used for measuring temperature upto 1873°K.

A. Chromel-alumel

B. Copper-constantan

C. Platinum-platinum rhodium

D. Iron-constantan

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Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

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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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With increase in temperature, the electrical conductivity of a __________ decreases.

A. Semi-conductor

B. Metal or alloy

C. Dielectric

D. None of these

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The best guide to judge the general quality of water is the measurement of its

A. pH value

B. Electrical conductivity

C. Turbidity

D. Dissolved oxygen content

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Which of the following is the most suitable abrasive for grinding high tensile strength materials?

A. Silicon carbide

B. Corundum

C. Aluminium oxide

D. Boron carbide

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The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

A. 60 - 100

B. 400 - 700

C. 1200 -1500

D. 2000 - 2300

Discuss this answer

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

A. Burning

B. Intensive oxidation

C. Evaporation

D. None of these

Discuss this answer

Which of the following does not discharge the dust collected as a dry solid?

A. Electrostatic precipitator

B. Wet scrubber

C. Bag filter

D. Gravity settling chamber

Discuss this answer

Fahrenheit and Centigrade scales have the same readings at

A. -55°

B. -40°

C. -33°

D. -58°

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Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

A. X-rays

B. γ-rays

C. α-rays

D. β-rays

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The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A. T₁/(T₁-T₂)

B. T₂/(T₁-T₂)

C. T₁/T₂

D. T₂/T₁

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Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

A. Wet bulb

B. Dry bulb

C. Saturation

D. Dew point

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Temper brittleness of a material can be fairly detected by the __________ test.

A. Fatigue

B. Notched bar impact

C. Tensile

D. Hardness

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Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

A. Fracture

B. Dislocation

C. Slip

D. Twinning

Discuss this answer

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

A. Conductor

B. Insulator

C. Semi-conductor

D. None of these

Discuss this answer

__________ cannot increase the fatigue strength of a material.

A. Grain refining

B. Grain coarsening

C. Surface hardening

D. Shot peening

Discuss this answer

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

A. SiO2

B. Al2O3

C. MnO2

D. P

Discuss this answer

Which of the following materials has the least scrap value?

A. Aluminium

B. Stainless steel

C. Brass

D. Copper

Discuss this answer

Accepted Answer

B. Ca₃(PO₄)₂

The main constituent of bones is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

Most important property of steels for use in automobile bodies is the

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

Which of the following does not have a sharp melting point?

Most of the phosphorous present in the blast furnace burden enters into

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

M10 index of coke indicates its

Rankine cycle comprises of two isothermal and two __________ processes.

Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

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

Maximum consumption of limestone is in the __________ industry.

The following thermocouple may be used for measuring temperature upto 1873°K.

Steel & cast iron pipes are produced by __________ casting.

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

With increase in temperature, the electrical conductivity of a __________ decreases.

The best guide to judge the general quality of water is the measurement of its

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

Which of the following does not discharge the dust collected as a dry solid?

Fahrenheit and Centigrade scales have the same readings at

Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Temper brittleness of a material can be fairly detected by the __________ test.

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

__________ cannot increase the fatigue strength of a material.

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

Which of the following materials has the least scrap value?

Also checkout

The main constituent of bones is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO2 = 12%, O2 = 8%, CO = nil, N2 = 80%. This flue gas composition indicates that

Most important property of steels for use in automobile bodies is the

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

Which of the following does not have a sharp melting point?

Most of the phosphorous present in the blast furnace burden enters into

Which of the following relationships is correct for relating the three elastic constants of an isotropic elastic material (where, E = Young's modulus, G = Modulus of rigidity or shear modulus v = Poisson's ratio)?

M10 index of coke indicates its

Rankine cycle comprises of two isothermal and two __________ processes.

Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

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

Maximum consumption of limestone is in the __________ industry.

The following thermocouple may be used for measuring temperature upto 1873°K.

Steel & cast iron pipes are produced by __________ casting.

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

With increase in temperature, the electrical conductivity of a __________ decreases.

The best guide to judge the general quality of water is the measurement of its

Which of the following is the most suitable abrasive for grinding high tensile strength materials?

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

Metal cutting by oxy-acetylene flame is accomplished by the __________ of the metal.

Which of the following does not discharge the dust collected as a dry solid?

Fahrenheit and Centigrade scales have the same readings at

Cobalt - 60 is used as a source of __________ in medical therapy & industrial radiography.

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

Temper brittleness of a material can be fairly detected by the __________ test.

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

__________ cannot increase the fatigue strength of a material.

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

Which of the following materials has the least scrap value?

Also checkout

Volumetric composition of flue gas analysed with the Orsat apparatus is : CO₂ = 12%, O₂ = 8%, CO = nil, N₂ = 80%. This flue gas composition indicates that

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by