Calorific value of __________ are almost same.

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Calorific value of __________ are almost same.

A. Lignite & anthracite coal

B. Lignite & coal gas

C. Petrol & diesel

D. Coal gas & natural gas

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Silicon in steel

A. Makes it usable in almost all magnetic circuits where alternating current is used

B. Increases its electrical resistivity and decreases the hysteresis loss

C. Is present upto 5% & 4% respectively when used in transformers & motor armatures

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

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Magnesium is present in

A. Haemoglobin

B. Chlorophyll

C. Hypo solution

D. None of these

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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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LVDT used for displacement measurement is a/an __________ transducer.

A. Passive

B. Active

C. Capacitive

D. None of these

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The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

A. Silicon

B. Carbon

C. Phosphorous

D. Chromium

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Which of the following is an example of cathodic protection of metals against corrosion?

A. Painted steel

B. Galvanised iron

C. Case hardened steel

D. Lead lined reactor

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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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Oxygen cylinders used for autogenous (cutting/welding) purposes are

A. Seamless & made of steel

B. Heat treated before use

C. Made by sand casting

D. Welded steel cylinders

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A material being tested for endurance strength is subjected to the __________ load.

A. Impact

B. Completely reversed

C. Dynamic

D. Static & dynamic

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Glycerine is used as a coolant in cooling of some engines instead of water, because

A. Its higher boiling point (290°C) increases its heat carrying capacity

B. Comparatively less weight of coolant is required

C. Smaller radiator can be used

D. All a, b & c

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

A. Burning

B. Intensive oxidation

C. Evaporation

D. None of these

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Which of the following materials has the least scrap value?

A. Aluminium

B. Stainless steel

C. Brass

D. Copper

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__________ wire is never used for making the heating element.

A. Nichrome

B. Kanthal

C. Invar

D. None of these

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Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

A. Output & fineness

B. Velocity

C. Both (A) & (B)

D. None of these

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Biological shield in a nuclear reactor is generally provided to protect against the

A. α-rays

B. β-rays

C. Gamma rays & neutrons

D. Electrons

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Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

A. High speed steel

B. Stainless steel

C. Tungsten carbide

D. Superalloys

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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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The normal stress is the same in all directions at a point in a fluid, only when the fluid

A. Is at rest & has zero viscosity

B. Is frictionless

C. Fluid layer has no motion relative to an adjacent layer of fluid

D. is incompressible & frictionless

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A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A. Steel

B. Glass

C. Rubber

D. Brass

Discuss this answer

Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

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

A. SiO2

B. Al2O3

C. MnO2

D. P

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Energy of the sun arises mainly from __________ reactions.

A. Fusion

B. Fission

C. Combustion

D. None of these

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The elastic strain in copper is due to the

A. Motion of dislocations

B. Stretching of atomic bonds

C. Breakage of atomic bonds

D. None of the above

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Plants produce carbohydrates from the CO2 present in the atmosphere by

A. Polymerisation

B. Photochemical reaction

C. Oxidation

D. None of these

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As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

A. 110

B. 85

C. 60

D. 45

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High speed steel tools retain their hardness upto a temperature of __________ °C.

A. 500

B. 750

C. 900

D. 1100

Discuss this answer

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

A.

B.

C.

D.

Discuss this answer

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

Discuss this answer

Pick out the wrong statement.

A. Cold cracking of a weld is due to the presence of hydrogen gas in the weld

B. True stress is given by, σ = σE (1 + εE), where σE and εE are engineering stress and engineering strain respectively

C. Phosphorous can be easily recovered in the iron blast furnace

D. High residual stress at the surface is beneficial for fatigue properties of a material

Discuss this answer

Accepted Answer

C. Petrol & diesel

Calorific value of __________ are almost same.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Silicon in steel

Magnesium is present in

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

LVDT used for displacement measurement is a/an __________ transducer.

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

Which of the following is an example of cathodic protection of metals against corrosion?

Which of the following rays has the least wavelength?

Oxygen cylinders used for autogenous (cutting/welding) purposes are

A material being tested for endurance strength is subjected to the __________ load.

Glycerine is used as a coolant in cooling of some engines instead of water, because

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

Which of the following materials has the least scrap value?

__________ wire is never used for making the heating element.

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

Biological shield in a nuclear reactor is generally provided to protect against the

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

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

The normal stress is the same in all directions at a point in a fluid, only when the fluid

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Thermal efficiency of an internal combustion engine is around __________ percent.

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

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

Energy of the sun arises mainly from __________ reactions.

The elastic strain in copper is due to the

Plants produce carbohydrates from the CO2 present in the atmosphere by

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

High speed steel tools retain their hardness upto a temperature of __________ °C.

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

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

Pick out the wrong statement.

Also checkout

Calorific value of __________ are almost same.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Silicon in steel

Magnesium is present in

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

LVDT used for displacement measurement is a/an __________ transducer.

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

Which of the following is an example of cathodic protection of metals against corrosion?

Which of the following rays has the least wavelength?

Oxygen cylinders used for autogenous (cutting/welding) purposes are

A material being tested for endurance strength is subjected to the __________ load.

Glycerine is used as a coolant in cooling of some engines instead of water, because

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

Which of the following materials has the least scrap value?

__________ wire is never used for making the heating element.

Which of the following varies as the square root of oil pressure during atomisation of fuel oil through a pressure jet burner?

Biological shield in a nuclear reactor is generally provided to protect against the

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?

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

The normal stress is the same in all directions at a point in a fluid, only when the fluid

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Thermal efficiency of an internal combustion engine is around __________ percent.

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

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

Energy of the sun arises mainly from __________ reactions.

The elastic strain in copper is due to the

Plants produce carbohydrates from the CO2 present in the atmosphere by

As per international norms, the maximum permissible value of noise level in the industrial environment is __________ decibels as measured at a distance of 1.5 metres from the source of noise.

High speed steel tools retain their hardness upto a temperature of __________ °C.

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

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

Pick out the wrong statement.

Also checkout

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

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