Temperature attained in soldering of metals is about __________ °C.

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Temperature attained in soldering of metals is about __________ °C.

A. 150-300

B. 400-500

C. 650-800

D. 1000-1100

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A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

A. √(Particle diameter)

B. Particle diameter

C. (Particle diameter)²

D. (Particle diameter)³

Discuss this answer

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

Discuss this answer

__________ can replace tungsten in high speed steel.

A. Chromium

B. Vanadium

C. Cobalt

D. Molybdenum

Discuss this answer

Increase in temperature, in general results in the

A. Decrease in the viscosities of both liquids & gases

B. Increase in the viscosities of both liquids & gases

C. Increase in the viscosity of liquids and decrease in that of gases

D. Decrease in the viscosity of liquids and increase in that of gases

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Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

A. Wrought

B. Tool

C. Alloy

D. Plain carbon

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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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Fire in fuel gas pipelines is extinguished most effectively by

A. Spraying water

B. Blanketting the area with nitrogen atmosphere

C. Fire fighting foam

D. None of these

Discuss this answer

Viscoelastic behaviour is observed in __________ materials.

A. Non-crystalline organic polymeric

B. Ceramic

C. All crystalline

D. All amorphous

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Which of the following is a boiler accessory
i.e., not a boiler mounting?

A. Blow off cock

B. Feed check valve

C. Feed water pump

D. Stop valve

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'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

A. V

B. V/2

C. 2V

D. 3V

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Production of a hollow product by inflation of a tube or parison is called the __________ process.

A. Blow moulding

B. Calendaring

C. Extrusion

D. Injection

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Solute atoms which cause yield point phenomenon in mild steel are/is

A. Aluminium

B. Boron

C. Carbon

D. Nitrogen

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A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

A. 8.82

B. 9.81

C. 10.88

D. 0.95

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

A. Passive

B. Active

C. Capacitive

D. None of these

Discuss this answer

Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

A. Elastic

B. Ultimate

C. Yielding

D. Breaking

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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

Discuss this answer

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C

B. °F

C. °K

D. °R

Discuss this answer

The dimensional formula of bulk modulus of elasticity is same as that of the

A. Pressure

B. Density

C. Force

D. None of these

Discuss this answer

Normalising of an object does not

A. Refine coarse grain structure obtained during hot working

B. Improve ductility

C. Improve yield strength

D. Improve mechanical properties

Discuss this answer

With increase in temperature, the electrical conductivity of semiconductors

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B), depends on the type of semi-conductor

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In the Bayer's process, bauxite is digested under pressure using

A. H₂SO₄

B. NaOH

C. NH₃

D. HCl

Discuss this answer

A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

A. 0

B. 0.33

C. 0.44

D. 0.25

Discuss this answer

Pick out the wrong conversion of absolute & kinematic viscosities.

A. 1 stoke = 1 cm²/sec

B. 1 N.sec/m² = 10 paise

C. 1 stoke = 1 m²/sec

D. 1 m²/sec = 10⁴ stokes

Discuss this answer

Potable water means the water used for

A. Fire-fighting

B. Cooling

C. Drinking

D. Evaporation to produce steam

Discuss this answer

Wrought iron is not

A. Ductile & resistant to corrosion/rusting

B. Weldable easily

C. Having uniform strength in all directions

D. Having maximum tensile strength along the lines of slag distribution

Discuss this answer

__________ furnace is generally used in the non-ferrous foundries.

A. Direct arc

B. Indirect arc

C. Resistance

D. Induction

Discuss this answer

Titanium is produced by __________ of Ti Cl₄.

A. Electrolytic reduction

B. Calcium reduction

C. Magnesium reduction

D. Thermal dissociation

Discuss this answer

Cassiterite is an ore of

A. Tin

B. Lead

C. Molybdenum

D. Chromium

Discuss this answer

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

Discuss this answer

Accepted Answer

A. 150-300

Temperature attained in soldering of metals is about __________ °C.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Which of the following are considered applications of ultrasonic testing?

__________ can replace tungsten in high speed steel.

Increase in temperature, in general results in the

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

Hot extrusion process is not used for making

Fire in fuel gas pipelines is extinguished most effectively by

Viscoelastic behaviour is observed in __________ materials.

Which of the following is a boiler accessory
i.e., not a boiler mounting?

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Production of a hollow product by inflation of a tube or parison is called the __________ process.

Solute atoms which cause yield point phenomenon in mild steel are/is

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

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

Increase in the entropy of a system represents the

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

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?

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

The dimensional formula of bulk modulus of elasticity is same as that of the

Normalising of an object does not

With increase in temperature, the electrical conductivity of semiconductors

In the Bayer's process, bauxite is digested under pressure using

A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

Pick out the wrong conversion of absolute & kinematic viscosities.

Potable water means the water used for

Wrought iron is not

__________ furnace is generally used in the non-ferrous foundries.

Titanium is produced by __________ of Ti Cl₄.

Cassiterite is an ore of

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Also checkout

Temperature attained in soldering of metals is about __________ °C.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A particle is settling in a liquid under Stokesian conditions. The free falling velocity of the particle is proportional to

Which of the following are considered applications of ultrasonic testing?

__________ can replace tungsten in high speed steel.

Increase in temperature, in general results in the

Steel containing low percentage of nickel, chromium & tungsten are termed as the __________ steel.

Hot extrusion process is not used for making

Fire in fuel gas pipelines is extinguished most effectively by

Viscoelastic behaviour is observed in __________ materials.

Which of the following is a boiler accessory i.e., not a boiler mounting?

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

Production of a hollow product by inflation of a tube or parison is called the __________ process.

Solute atoms which cause yield point phenomenon in mild steel are/is

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec2 is

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

Increase in the entropy of a system represents the

The stress at which extension of the material takes place more rapidly as compared to the increase in load is termed as the __________ point of the material.

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?

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

The dimensional formula of bulk modulus of elasticity is same as that of the

Normalising of an object does not

With increase in temperature, the electrical conductivity of semiconductors

In the Bayer's process, bauxite is digested under pressure using

A cylindrical rod subjected to a tensile strain within the elastic limit undergoes a volume change. If the volume strain is equal to half the tensile strain, then the Poisson's ratio of the rod is

Pick out the wrong conversion of absolute & kinematic viscosities.

Potable water means the water used for

Wrought iron is not

__________ furnace is generally used in the non-ferrous foundries.

Titanium is produced by __________ of Ti Cl4.

Cassiterite is an ore of

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Also checkout

Which of the following is a boiler accessory
i.e., not a boiler mounting?

A 2 kg object weighs 1.8 kgf on a spring balance. The value of 'g' at that location in m/sec² is

Titanium is produced by __________ of Ti Cl₄.