Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

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Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease

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Reduction in the grain size reduces the __________ of the material.

A. Fatigue resistance

B. Tensile strength

C. Creep resistance

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

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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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Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

A. Piercing

B. Spinning

C. Drawing

D. Extrusion

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Spheroidising of a material is a/an __________ process.

A. Normalising

B. Annealing

C. Tempering

D. Hardening

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The main charge in blast furnace is usually

A. Iron ore & coke

B. Iron ore, coke & air

C. Limestone, coke & iron ore

D. Limestone, sand & iron ore

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Pick out the correct statement

A. Jet engine can work, where there is no atmosphere

B. Rocket engines cannot work, where there is no atmosphere

C. Rocket engines carry oxygen required for the combustion in the form of oxidiser

D. Jet engines also carry oxidiser

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Direct conversion of thermal energy to electrical energy is facilitated by the

A. Fuel cells

B. Photo voltaic cell

C. Magneto hydrodynamic generator

D. None of these

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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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Brazing is the joining of metals

A. Without melting the base metal

B. With a non-ferrous filler

C. Both (A) & (B)

D. Neither (A) nor (B)

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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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Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease

Discuss this answer

Propulsion of rocket follows from the

A. Newton's second law of motion

B. Newton's third law of motion

C. Law of projectiles

D. Archimedes principle

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Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

A. Steel

B. Glass wood

C. Copper

D. Fireclay bricks

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With increase in steam pressure, its specific volume decreases

A. Rapidly first and then slowly

B. Linearly

C. Slowly first and then rapidly

D. Exponentially

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Compressed dry air is used as the cutting fluid, while machining

A. Steel

B. Cast iron

C. Aluminium

D. None of these

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Angular displacement can be measured suitably by a

A. Shaft encoder

B. Linear variable differential transducer (LVDT)

C. Stroboscope

D. Tachometer

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Identify the false statement

A. Martensitic steels are less susceptible to pitting corrosion than austenitic steels

B. Pitting corrosion is usually very localised

C. Hydrogen embrittlement is facilitated by tensile stress

D. Stress corrosion cracking is facilitated by tensile stress

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Out of the following, which will fracture most readity, when hit with a hard hammer?

A. Brass

B. Bronze

C. German silver

D. Cast iron

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For preparation of porous bearings by powder metallurgy, preferred particle shape is

A. Spherical

B. Nodular

C. Irregular

D. No preferred shape

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Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

Discuss this answer

Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

Discuss this answer

Cold chisels hammers are made of

A. High speed steel

B. High carbon steel

C. Forged steel

D. Mild steel

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In connection with corrosion of metals, passivation is the process that

A. Intensifies deterioration

B. Changes the composition of the metal

C. Inhibits further deterioration

D. None of these

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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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The best guide to judge the general quality of water is the measurement of its

A. pH value

B. Electrical conductivity

C. Turbidity

D. Dissolved oxygen content

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As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

A. Butt

B. Lap

C. Welded

D. None of these

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What is the pH of distilled water?

A. 0

B. 1

C. 7

D. 14

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Which of the following phenomenon will exhibit the minimum heat transfer?

A. Boiling

B. Forced convection in air

C. Free convection in air

D. Conduction in air

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When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

A. Partial pressure of water vapour is less than the total pressure

B. Humidity is < 100% & dew point temperature of air has not reached

C. Dew point temperature of air has not reached & air is not saturated fully

D. Air is fully saturated

Discuss this answer

Yield strength of a polycrystalline metal with an average grain size d, is proportional to

A. d^1/2

B. d^-1/2

C. d

D. d^-1

Discuss this answer

Accepted Answer

A. Decreases

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Reduction in the grain size reduces the __________ of the material.

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

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

Spheroidising of a material is a/an __________ process.

The main charge in blast furnace is usually

Pick out the correct statement

Direct conversion of thermal energy to electrical energy is facilitated by the

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

Brazing is the joining of metals

Pick out the wrong statement.

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Propulsion of rocket follows from the

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

With increase in steam pressure, its specific volume decreases

Compressed dry air is used as the cutting fluid, while machining

Angular displacement can be measured suitably by a

Identify the false statement

Out of the following, which will fracture most readity, when hit with a hard hammer?

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Which of the following materials has the maximum shrinkage allowance?

Transformer cores are normally made from

Cold chisels hammers are made of

In connection with corrosion of metals, passivation is the process that

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

The best guide to judge the general quality of water is the measurement of its

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

What is the pH of distilled water?

Which of the following phenomenon will exhibit the minimum heat transfer?

When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

Yield strength of a polycrystalline metal with an average grain size d, is proportional to

Also checkout

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Reduction in the grain size reduces the __________ of the material.

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

Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot

Spheroidising of a material is a/an __________ process.

The main charge in blast furnace is usually

Pick out the correct statement

Direct conversion of thermal energy to electrical energy is facilitated by the

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

Brazing is the joining of metals

Pick out the wrong statement.

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Propulsion of rocket follows from the

Out of the following, maximum temperature drop for a given heat flow & for the same thickness will be in the case of

With increase in steam pressure, its specific volume decreases

Compressed dry air is used as the cutting fluid, while machining

Angular displacement can be measured suitably by a

Identify the false statement

Out of the following, which will fracture most readity, when hit with a hard hammer?

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Which of the following materials has the maximum shrinkage allowance?

Transformer cores are normally made from

Cold chisels hammers are made of

In connection with corrosion of metals, passivation is the process that

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

The best guide to judge the general quality of water is the measurement of its

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

What is the pH of distilled water?

Which of the following phenomenon will exhibit the minimum heat transfer?

When dry bulb temperature & wet bulb temperature of moist air is the same, it means that the

Yield strength of a polycrystalline metal with an average grain size d, is proportional to

Also checkout

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