Use of water as a manometric liquid suffers from the disadvantage of its

Question

Use of water as a manometric liquid suffers from the disadvantage of its

A. Low vapour pressure

B. Corrosive nature

C. High vapour pressure

D. High boiling point

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The rolling process cannot be used to produce

A. Plates

B. Rods

C. Tubes

D. Wires

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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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For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

A. 100% indirect reduction

B. 100% direct reduction

C. 50-60% indirect reduction

D. 30-40% indirect reduction

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Wrought iron is never shaped by

A. Casting

B. Cold working

C. Forging

D. Welding

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A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

A. Lack of free

B. Excess of

C. Decrease in

D. None of these

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Nusselt number/Biot number varies

A. Inversely with thermal conductivity

B. Directly with heat transfer co-efficient

C. Directly with thermal conductivity

D. Inversely with the dimension of the solid

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The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

A. Two

B. Four

C. Six

D. Eight

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Air-petrol ratio for maximum power generation in spark ignition engine is about

A. 6 : 1

B. 12 : 1

C. 18 : 1

D. 24 : 1

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Dislocations are __________ defects.

A. Point

B. Line

C. Volume

D. None of these

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Unit of surface tension in S.I. unit is

A. Watt/m

B. Joule/

C. Newton/

D. Joule/m

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The same volume of all gases is representative of their

A. Specific gravities

B. Densities

C. Gas characteristic constants

D. Molecular weights

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Dislocation cross-slip is difficult in those materials, which have

A. Large number of slip systems

B. High work hardening rate

C. Coarse grain size

D. Low stacking fault energy

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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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Upto the critical radius of insulation, added insulation, will

A. Increase the heat loss

B. Decrease heat loss and will have no effect beyond that

C. Decrease heat flux

D. Reduce convection heat loss compared to conduction heat less

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Sub zero treatment of steel is done to

A. Suppress martensite transformation

B. Enhance its working performance in sub zero atmosphere

C. Reduce the retained austenite in hardened steel

D. Induce temper brittleness after its hardening

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Starting friction is low in case of the __________ lubrication.

A. Boundary

B. Hydrodynamic

C. Hydrostatic

D. Mixed/semi-fluid

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Titanium is produced by __________ of Ti Cl₄.

A. Electrolytic reduction

B. Calcium reduction

C. Magnesium reduction

D. Thermal dissociation

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On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

A. Frequency

B. Amplitude

C. Damping

D. None of these

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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

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'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

A. Petrol

B. LPG

C. Light hydrocarbon gases (e.g. butane or propane)

D. None of these

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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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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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__________ circuit is most commonly used to measure strain with the help of a strain gauge.

A. Ballast

B. Voltage balancing potentiometric

C. Simple current sensitive

D. None of these

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Screws are specified by their __________ diameters.

A. Minor

B. Major

C. Pitch

D. None of these

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Limestone is added in the blast furnace (during pig iron manufacture) to

A. Form slag by combining with impurities

B. Supply heat by undergoing exothermic reaction with impurities

C. Reduce the coke consumption

D. Reduce slag viscosity

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Window panes of aeroplanes are normally made of

A. Perspex (PMMA)

B. Teflon (PTFE)

C. Bakelite (phenol formaldehyde)

D. Polystyrene

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The specific gravity of coal depends mainly on its __________ content.

A. Carbon

B. Volatile matter

C. Ash

D. Moisture

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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Often earing defects are found during deep drawing operation, because the

A. Surface finish of the sheet is poor

B. Sheet material has been given substantial spring back

C. Starting sheet has planer anisotropy due to its texture

D. Starting sheet has normal anisotropy due to its texture

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Filler material used in welding should have __________ as compared to the parent metal to be welded.

A. Lower melting temperature

B. Same melting temperature

C. Same composition

D. Both 'b' & 'c'

Discuss this answer

Accepted Answer

C. High vapour pressure

Use of water as a manometric liquid suffers from the disadvantage of its

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The rolling process cannot be used to produce

Cold heading or upsetting is categorised as the __________ process.

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

Wrought iron is never shaped by

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

Nusselt number/Biot number varies

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

Air-petrol ratio for maximum power generation in spark ignition engine is about

Dislocations are __________ defects.

Unit of surface tension in S.I. unit is

The same volume of all gases is representative of their

Dislocation cross-slip is difficult in those materials, which have

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

Upto the critical radius of insulation, added insulation, will

Sub zero treatment of steel is done to

Starting friction is low in case of the __________ lubrication.

Titanium is produced by __________ of Ti Cl₄.

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

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

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

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

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

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

Screws are specified by their __________ diameters.

Limestone is added in the blast furnace (during pig iron manufacture) to

Window panes of aeroplanes are normally made of

The specific gravity of coal depends mainly on its __________ content.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Often earing defects are found during deep drawing operation, because the

Filler material used in welding should have __________ as compared to the parent metal to be welded.

Also checkout

Use of water as a manometric liquid suffers from the disadvantage of its

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The rolling process cannot be used to produce

Cold heading or upsetting is categorised as the __________ process.

For efficient performance of a blast furnace, the extent of reduction of Wustite (FeO) should be

Wrought iron is never shaped by

A semi-conductor is damaged & behaves like a conductor, on passing a strong electric current through it, because it heats up the crystals & breaks the covalent bonds resulting in __________ electrons.

Nusselt number/Biot number varies

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

Air-petrol ratio for maximum power generation in spark ignition engine is about

Dislocations are __________ defects.

Unit of surface tension in S.I. unit is

The same volume of all gases is representative of their

Dislocation cross-slip is difficult in those materials, which have

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

Upto the critical radius of insulation, added insulation, will

Sub zero treatment of steel is done to

Starting friction is low in case of the __________ lubrication.

Titanium is produced by __________ of Ti Cl4.

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

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

'GASOHOL' widely used in Brazil as a motor fuel is a mixture of alcohol and

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

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

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

Screws are specified by their __________ diameters.

Limestone is added in the blast furnace (during pig iron manufacture) to

Window panes of aeroplanes are normally made of

The specific gravity of coal depends mainly on its __________ content.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

Often earing defects are found during deep drawing operation, because the

Filler material used in welding should have __________ as compared to the parent metal to be welded.

Also checkout

For efficient performance of a blast furnace, the extent of reduction of Wustite (F_eO) should be

Titanium is produced by __________ of Ti Cl₄.