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

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

A. Conductor

B. Insulator

C. Semi-conductor

D. None of these

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The underground well of a biogas plant is called the

A. Septic tank

B. Oxidation well

C. Digestor

D. Lagoon

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Which of the following if present in iron ore, enhances its value?

A. Alumina

B. Alkali oxide

C. Lime & Magnesia

D. None of these

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Identify the correct statement.

A. Sphlerite is zinc oxide

B. The first law of the thermodynamics is stated as δE = δQ - δW

C. Lead can be produced in a blast furnace

D. T. ferrooxidans is a fungus that can be used for leaching chalcopyrite

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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

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While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

A. Low impact strength

B. High flexibility

C. Better finish and surface appearance

D. High plastic deformation

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__________ is used for tying the steel columns to concrete foundation.

A. Grouting

B. Eyebolt

C. Anchor bolts

D. Refractory castables

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The refractory lining of the bottom in a basic electric arc furnace is made of

A. Silica

B. Alumina

C. Magnesia

D. Fireclay

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What happens, when SO₂ is passed through a solution of H2S in water?

A. Precipitation of sulphur takes place

B. H₂SO₃ is formed

C. Oleum is formed

D. None of these

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About __________ ton of coke is required in a cupola to produce one ton of casting.

A. 0.03

B. 0.3

C. 0.8

D. 1.5

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What is the value of included angle of a triangular notch for maximum discharge?

A. 30°

B. 60°

C. 90°

D. 120°

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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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Steel is welded using the __________ flame.

A. Carburising

B. Neutral

C. Oxidising

D. All (A), (B) & (C)

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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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Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

A. 9,100

B. 13,000

C. 7,000

D. 2,550

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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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Gross national product (GNP) means the total value of __________ in a country.

A. Goods produced

B. Gold reserve

C. Earning of the citizens

D. Taxes paid

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Damage to metal surface by mechanical action is called

A. Pitting

B. Corrosion

C. Erosion

D. None of these

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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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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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Which of the following is prone to cup and cone fracture?

A. Cast iron

B. Soft brass

C. Round specimen of ductile metal

D. Flat tensile specimen of ductile metal

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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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Gas turbine normally employs a constant __________ cycle.

A. Pressure

B. Temperature

C. Volume

D. None of these

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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

D. V²/A²

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Moist climate is the most favourable factor in the site selection far a

A. Steel plant

B. Textile factory

C. Petroleum refinery

D. Coke oven battery

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Runge-Kutta method is used to solve a/an

A. Ordinary differential equation of nth order

B. Simultaneous non-linear equation

C. Linear differential equation

D. None of these

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The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

A. 0.5

B. 3

C. 10

D. 25

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Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

A. Re^0.5, Re^0.8

B. Re^0.8, Re^-0.5

C. Re^0.8, Re^0.5

D. Re^-0.8, Re^0.5

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__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

A. Veneering

B. Galvanising

C. Electroplating

D. Calorising

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Young's modulus of a material is the measure of its

A. Stiffness

B. Malleability

C. Creep resistance

D. Tensile strength

Discuss this answer

Accepted Answer

B. γ-rays

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

The underground well of a biogas plant is called the

Which of the following if present in iron ore, enhances its value?

Identify the correct statement.

Fire in fuel gas pipelines is extinguished most effectively by

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

__________ is used for tying the steel columns to concrete foundation.

The refractory lining of the bottom in a basic electric arc furnace is made of

What happens, when SO₂ is passed through a solution of H2S in water?

About __________ ton of coke is required in a cupola to produce one ton of casting.

What is the value of included angle of a triangular notch for maximum discharge?

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

Steel is welded using the __________ flame.

Machinability of hard alloys and tool steels is improved by

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

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

Gross national product (GNP) means the total value of __________ in a country.

Damage to metal surface by mechanical action is called

Transformer cores are normally made from

Function of fusible plug in a boiler is to

Which of the following is prone to cup and cone fracture?

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

Gas turbine normally employs a constant __________ cycle.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Moist climate is the most favourable factor in the site selection far a

Runge-Kutta method is used to solve a/an

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Young's modulus of a material is the measure of its

Also checkout

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

The underground well of a biogas plant is called the

Which of the following if present in iron ore, enhances its value?

Identify the correct statement.

Fire in fuel gas pipelines is extinguished most effectively by

While the thermosetting polymers are amorphous in nature, the thermoplastic polymers are either amorphous or crystalline. The crystalline polymers are characterised by the

__________ is used for tying the steel columns to concrete foundation.

The refractory lining of the bottom in a basic electric arc furnace is made of

What happens, when SO2 is passed through a solution of H2S in water?

About __________ ton of coke is required in a cupola to produce one ton of casting.

What is the value of included angle of a triangular notch for maximum discharge?

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

Steel is welded using the __________ flame.

Machinability of hard alloys and tool steels is improved by

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

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

Gross national product (GNP) means the total value of __________ in a country.

Damage to metal surface by mechanical action is called

Transformer cores are normally made from

Function of fusible plug in a boiler is to

Which of the following is prone to cup and cone fracture?

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

Gas turbine normally employs a constant __________ cycle.

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Moist climate is the most favourable factor in the site selection far a

Runge-Kutta method is used to solve a/an

The maximum thickness of the metal which can be welded using ultrasonic welding is __________ mm.

Nusselt number is related to the Reynolds number (Re) in turbulent & laminar flow respectively as

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Young's modulus of a material is the measure of its

Also checkout

What happens, when SO₂ is passed through a solution of H2S in water?