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

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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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Titanium is added to molten aluminium alloys before casting for the purpose of

A. Grain refinement

B. Increasing corrosion resistance

C. Reducing porosity

D. Improving fluidity

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Which of the following is used to produce draught in the locomotive boilers?

A. Chimney

B. Induced draught fan

C. Forced draught fan

D. Steam jet arrangement

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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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The 'laughing gas' is

A. Nitrous oxide

B. Nitric oxide

C. Nitrogen trioxide

D. Nitrogen pentoxide

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Minimum number of members required to form a Public Limited Joint Stock Com-pany is

A. 7

B. 10

C. 12

D. 17

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Dislocations are __________ defects.

A. Point

B. Line

C. Volume

D. None of these

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Spheroidising of a material is a/an __________ process.

A. Normalising

B. Annealing

C. Tempering

D. Hardening

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Pick out the wrong statement.

A. Molecules with symmetrical arrangements (e.g. CH₄ or CCl₄) are non-polar

B. Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise

C. Most of the hydrocarbons are non-polar

D. None of these

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Change in volume of metals from absolute zero temperature to their melting points is

A. Almost same for all metals

B. Different for different metals

C. Less for low melting point metals

D. Less for high melting point metals

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Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

A. Steel

B. Lignite

C. Water

D. Lime stone

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The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

A. Magnesite

B. Chrome

C. Silica

D. Fireclay

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The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

A. 273.15

B. 225.65

C. 100.03

D. 373.15

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In chemical dehumidification process

A. Wet bulb temperature increases

B. Dry bulb temperature remains constant

C. Dew point temperature increases

D. Dry bulb temperature increases

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Annealing of white cast iron produces __________ iron.

A. Grey

B. Nodular

C. Malleable

D. Spheroidal

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Out of the following, the most malleable material is

A. Copper

B. Aluminium

C. Wrought iron

D. Lead

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A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

A. 150

B. 200

C. 300

D. 400

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Plastics as a material of construction suffer from the drawback of low

A. Machinability

B. Density

C. Strength

D. Plastic deformation

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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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Which of the following alloying elements is present in maximum percentage in high speed steel?

A. Molybdenum

B. Chromium

C. Tungsten

D. Vanadium

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Cold heading or upsetting is categorised as the __________ process.

A. Extrusion

B. Bending

C. Rolling

D. Forging

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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 1

D. 1 : 4

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Common salt is produced from sea water in India generally by the __________ method.

A. Freeze drying

B. Solar evaporation

C. Electrolytic

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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Age hardening is connected with

A. Babbitt metal

B. Gun metal

C. Stainless steel

D. Duralumin

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Constituents of stellite are

A. Zinc, copper & nickel

B. Cobalt, chromium & tungsten

C. Zinc, aluminium & nickel

D. Nickel, cobalt & vanadium

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A pycnometer is used for the measurement of

A. Flow rate of molten metal

B. Specific gravity of a liquid

C. Composition of alloys

D. Concentration of a solution

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Lead is poured into the joint between two __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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Routing in production, planning & control is concerned with the

A. Sequence of operation to be performed

B. Progress of work performed

C. Authorisation of work to be performed

D. Balancing of load on machines

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Pick out the wrong statement.

A. A ferromagnetic material becomes paramagnetic above the 'Curie temperature'

B. Permanent magnets are made of hard materials, whereas electromagnets require soft magnetic materials

C. Soft magnetic materials (e.g., pure iron) have higher permeability and low hysterisis loss and coercive forces

D. Tungsten steel and alnico are not hard magnetic materials

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The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

A. Refrigerant cooling

B. Evaporator

C. Condenser

D. Throttling

Discuss this answer

Accepted Answer

D. Plain carbon

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Titanium is added to molten aluminium alloys before casting for the purpose of

Which of the following is used to produce draught in the locomotive boilers?

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

The 'laughing gas' is

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

Dislocations are __________ defects.

Spheroidising of a material is a/an __________ process.

Pick out the wrong statement.

Change in volume of metals from absolute zero temperature to their melting points is

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

In chemical dehumidification process

Annealing of white cast iron produces __________ iron.

Out of the following, the most malleable material is

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Plastics as a material of construction suffer from the drawback of low

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

Which of the following alloying elements is present in maximum percentage in high speed steel?

Cold heading or upsetting is categorised as the __________ process.

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Common salt is produced from sea water in India generally by the __________ method.

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.

Age hardening is connected with

Constituents of stellite are

A pycnometer is used for the measurement of

Lead is poured into the joint between two __________ pipes.

Routing in production, planning & control is concerned with the

Pick out the wrong statement.

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

Also checkout

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Titanium is added to molten aluminium alloys before casting for the purpose of

Which of the following is used to produce draught in the locomotive boilers?

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

The 'laughing gas' is

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

Dislocations are __________ defects.

Spheroidising of a material is a/an __________ process.

Pick out the wrong statement.

Change in volume of metals from absolute zero temperature to their melting points is

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

The refractory brick which has good thermal shock resistance at high temperature but cracks on cooling below 400°C is

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.

In chemical dehumidification process

Annealing of white cast iron produces __________ iron.

Out of the following, the most malleable material is

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Plastics as a material of construction suffer from the drawback of low

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

Which of the following alloying elements is present in maximum percentage in high speed steel?

Cold heading or upsetting is categorised as the __________ process.

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Common salt is produced from sea water in India generally by the __________ method.

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.

Age hardening is connected with

Constituents of stellite are

A pycnometer is used for the measurement of

Lead is poured into the joint between two __________ pipes.

Routing in production, planning & control is concerned with the

Pick out the wrong statement.

The bank of tubes located at the back of the domestic refrigerators are the __________ tubes.

Also checkout

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².