The underground well of a biogas plant is called the

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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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The activity of pure hydrogen gas at 1000°C and 5 atm pressure

A. Is always less than 1

B. Is always greater than 1

C. Can be 5

D. Depends on the choice of the standard state

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The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

A. Parabolic

B. Hyperbolic

C. Straight line

D. None of these

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In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

A. More

B. Less

C. Equal

D. Much more

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The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

A. Full annealing

B. Bright annealing

C. Patenting

D. None of these

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Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

A. Forging

B. Cold rolling

C. Hot rolling

D. Casting

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For an ideal gas, C_p - C_v is

A. R

B. -R

C. 0

D. (3/2) R

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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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Alloy powder manufactured by the following process have spherical shapes.

A. Electrochemical deposition

B. Gaseous reduction

C. Atomisation

D. Mechanical attrition

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The cathode in an electrochemical cell always carries

A. Negative charge

B. Positive charge

C. Zero charge

D. Positive or negative charge depending upon the nature of the cell

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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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Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution

A. A₁ is more alkaline than solution A₂

B. A₁ is highly acidic

C. A₂ is very slightly acidic

D. Both (B) & (C)

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Pick out the wrong statement.

A. Weldability of high carbon steel is poorer compared to low carbon steel

B. Invar is a magnetic alloy

C. Magnetic permeability of the diamagnetic material is less than one

D. Martenistic transformation never goes to completion (i.e., 100%) at room temperature

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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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When the wavelength of incident X-rays increases, the angle of diffraction

A. Decreases

B. Increases

C. Remain constant

D. Shows no systematic variation

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__________ cannot increase the fatigue strength of a material.

A. Grain refining

B. Grain coarsening

C. Surface hardening

D. Shot peening

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Tumbling is the process of improving the __________ of the materials/parts.

A. Surface finish

B. Fatigue limit

C. Creep limit

D. Surface cleanliness

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Which of the following approaches the ideal gas behaviour most closely?

A. Wet steam

B. Saturated steam

C. Superheated steam

D. Saturated water

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Rain drops falling through atmospheric air attain limited terminal velocity, because of

A. Upward thrust due to air

B. Viscous force exerted by air

C. Surface tension effects of water

D. Force of gravity

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Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

A. Film

B. Nucleate

C. Transition

D. All modes of

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Fatigue resistance of a material is measured by the

A. Elastic limit

B. Ultimate tensile strength

C. Young's modulus

D. Endurance limit

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Working of linear variable differential transducer (LVDT) is based on the principle of variable

A. Capacitance

B. Resistance

C. Mutual inductance

D. None of these

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In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

A.

B.

C.

D.

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All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

A. Deuterium

B. Hydrogen

C. Neon

D. Helium

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For separating small pieces of metal from engine oil of a car, the best separating technique is the

A. Chromatography

B. Evaporation

C. Filtration

D. Fractional distillation

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In practice, the compression ratio of compression-ignition (CI) engine ranges from

A. 15 to 25

B. 5 to 10

C. 40 to 55

D. 60 to 70

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Consideration of the creep is the most important in case of the

A. Blades of gas turbine

B. Piston of an I. C. engine

C. Flywheel of steam engine

D. Cycle chain

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Induced draft fans provided in large thermal power plant boilers have __________ blades.

A. Forward curved

B. Backward curved

C. Double curved

D. Radial or straight

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Presence of nickel & chromium in steel does not raise its

A. Elastic limit

B. Machining properties

C. Ductility

D. Resilience

Discuss this answer

On being hit with a hammer, __________ will readily fracture.

A. Brass

B. Mild steel

C. Cast iron

D. Lead

Discuss this answer

Which of the following is preferred for riveting?

A. Lap joint

B. Butt joint

C. Either (A) or (B)

D. Neither (A) nor (B)

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Accepted Answer

C. Digestor

The underground well of a biogas plant is called the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

For an ideal gas, C_p - C_v is

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

Alloy powder manufactured by the following process have spherical shapes.

The cathode in an electrochemical cell always carries

The underground well of a biogas plant is called the

Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution

Pick out the wrong statement.

Steel is welded using the __________ flame.

When the wavelength of incident X-rays increases, the angle of diffraction

__________ cannot increase the fatigue strength of a material.

Tumbling is the process of improving the __________ of the materials/parts.

Which of the following approaches the ideal gas behaviour most closely?

Rain drops falling through atmospheric air attain limited terminal velocity, because of

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

Fatigue resistance of a material is measured by the

Working of linear variable differential transducer (LVDT) is based on the principle of variable

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

For separating small pieces of metal from engine oil of a car, the best separating technique is the

In practice, the compression ratio of compression-ignition (CI) engine ranges from

Consideration of the creep is the most important in case of the

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Presence of nickel & chromium in steel does not raise its

On being hit with a hammer, __________ will readily fracture.

Which of the following is preferred for riveting?

Also checkout

The underground well of a biogas plant is called the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

For an ideal gas, Cp - Cv is

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

Alloy powder manufactured by the following process have spherical shapes.

The cathode in an electrochemical cell always carries

The underground well of a biogas plant is called the

Two solutions A1 & A2 have pH value of 2 & 6 respectively. It implies that the solution

Pick out the wrong statement.

Steel is welded using the __________ flame.

When the wavelength of incident X-rays increases, the angle of diffraction

__________ cannot increase the fatigue strength of a material.

Tumbling is the process of improving the __________ of the materials/parts.

Which of the following approaches the ideal gas behaviour most closely?

Rain drops falling through atmospheric air attain limited terminal velocity, because of

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

Fatigue resistance of a material is measured by the

Working of linear variable differential transducer (LVDT) is based on the principle of variable

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

For separating small pieces of metal from engine oil of a car, the best separating technique is the

In practice, the compression ratio of compression-ignition (CI) engine ranges from

Consideration of the creep is the most important in case of the

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Presence of nickel & chromium in steel does not raise its

On being hit with a hammer, __________ will readily fracture.

Which of the following is preferred for riveting?

Also checkout

For an ideal gas, C_p - C_v is