The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

Question

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

A. 768

B. 1127

C. 1359

D. 1480

Correct Answer :

B. 1127

Share this question with your friends

Show all Chemical Engineering Basics MCQ

Comment

The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

Discuss this answer

Spherical shape of mercury droplets is due to its

Discuss this answer

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

Discuss this answer

Unit of surface tension in S.I. unit is

A. Watt/m

B. Joule/

Discuss this answer

Main constituent of bone ash is

Discuss this answer

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

Discuss this answer

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Discuss this answer

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

B. Collar

Discuss this answer

Super conduction in metals is observed at a temperature of __________ °K.

A. <100

B. >100

Discuss this answer

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

Discuss this answer

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

Discuss this answer

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

Discuss this answer

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

A. 0.5

B. 2

C. √2

D. √3/2

Discuss this answer

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

Discuss this answer

Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

A. 10

B. 20

C. 30

D. 40

Discuss this answer

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

A. 1

B. 10

C. 30

D. 50

Discuss this answer

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

A. 1

B. 1.4

C. 1.5

Discuss this answer

The most important requirement for aluminium industry is the availability of cheap

A. Ore

C. Labour

Discuss this answer

L.D. (Linz-Donawitz) converter is used in the production of

A. Copper

B. Steel

C. Zinc

Discuss this answer

Alloys having more than 80% copper are generally more

Discuss this answer

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

Discuss this answer

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

A. 5-10

Discuss this answer

Which of the following is not a ferromagnetic material?

A. Nickel

B. Cobalt

D. Iron

Discuss this answer

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

Discuss this answer

A dummy activity is used in PERT network to describe the

Discuss this answer

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

Discuss this answer

Powder metallurgy technique is used in the production of __________ tools.

Discuss this answer

A spring material should have low

Discuss this answer

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

A. +4000

B. -4000

C. 10000

D. -10000

Discuss this answer

__________ stress cannot be sustained by a fluid in equilibrium.

A. Shear

Discuss this answer

Answer 1

A. Ambient

Answer 2

B. Dry bulb

Answer 3

C. Dew point

Answer 4

D. Wet bulb

Answer 5

A. High viscosity

Answer 6

B. Low surface tension

Answer 7

C. High density

Answer 8

D. High surface tension

Answer 9

A. Nitrogen oxides

Answer 10

B. Hydrocarbons

Answer 11

C. Both 'a' & 'b'

Answer 12

D. Carbon monoxide

Answer 13

C. Newton/

Answer 14

D. Joule/m

Answer 15

A. Ammonium phosphate

Answer 16

B. Calcium phosphate

Answer 17

C. Animal charcoal

Answer 18

D. Ammonium sulphate

Answer 19

A. Air filter

Answer 20

B. Fuel injector

Answer 21

C. Exhaust silencer

Answer 22

D. Battery

Answer 23

A. Manganese

Answer 24

B. Phosphorous

Answer 25

C. Magnesium

Answer 26

D. Chromium

Answer 27

A. Flanged iron

Answer 28

C. Flexible

Answer 29

D. Expansion

Answer 30

C. About 273

Answer 31

D. About 373

Answer 32

A. Length of the pipe

Answer 33

B. Diameter of the pipe

Answer 34

C. Density of the fluid

Answer 35

D. Velocity of the fluid

Answer 36

A. Capacitance

Answer 37

B. Resistance

Answer 38

C. Mutual inductance

Answer 39

D. None of these

Answer 40

A. Precipitation of sulphur takes place

Answer 41

B. H₂SO₃ is formed

Answer 42

C. Oleum is formed

Answer 43

D. None of these

Answer 44

A. Pressure & temperature

Answer 45

B. Pressure & specific volume

Answer 46

C. Temperature & specific volume

Answer 47

D. Temperature only

Answer 48

D. Y = C_p/C_v

Answer 49

B. Electrical power

Answer 50

D. Abundant water

Answer 51

D. Aluminium

Answer 52

A. Abrasion resistant

Answer 53

B. Corrosion resistant

Answer 54

C. Prone to season cracking

Answer 55

D. Machinable

Answer 56

A. High speed steel

Answer 57

B. Stainless steel

Answer 58

C. Tungsten carbide

Answer 59

D. Superalloys

Answer 60

B. 1000-1500

Answer 61

C. 120-500

Answer 62

D. 1500-3000

Answer 63

C. Aluminium

Answer 64

A. Concentration

Answer 65

B. Velocity

Answer 66

C. Temperature

Answer 67

D. None of these

Answer 68

A. Precedence relationship

Answer 69

B. Resource idleness

Answer 70

C. Resource restriction

Answer 71

D. Necessary time delay

Answer 72

A. Fuel cells

Answer 73

B. Photo voltaic cell

Answer 74

C. Magneto hydrodynamic generator

Answer 75

D. None of these

Answer 76

A. Tungsten carbide

Answer 77

B. High carbon steel

Answer 78

C. High speed steel

Answer 79

D. Drilling

Answer 80

A. Elastic limit

Answer 81

B. Deflection value

Answer 82

C. Fatigue resistance

Answer 83

D. None of these

Answer 84

B. Tensile

Answer 85

C. Compressive

Answer 86

D. None of these

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

Spherical shape of mercury droplets is due to its

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

Unit of surface tension in S.I. unit is

Main constituent of bone ash is

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

Super conduction in metals is observed at a temperature of __________ °K.

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

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

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

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

The most important requirement for aluminium industry is the availability of cheap

L.D. (Linz-Donawitz) converter is used in the production of

Alloys having more than 80% copper are generally more

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

Which of the following is not a ferromagnetic material?

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

A dummy activity is used in PERT network to describe the

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

Powder metallurgy technique is used in the production of __________ tools.

A spring material should have low

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

__________ stress cannot be sustained by a fluid in equilibrium.

Also checkout

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The minimum temperature to which the water can be cooled in a cooling tower is the __________ temperature of air.

Spherical shape of mercury droplets is due to its

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog?

Unit of surface tension in S.I. unit is

Main constituent of bone ash is

Which of the following is normally not found in both the S.I. (petrol) & C.I. (diesel) engines?

Addition of small amount of __________ to grey cast iron is done to produce nodular grey cast iron.

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

Super conduction in metals is observed at a temperature of __________ °K.

Transition from laminar flow to turbulent flow in fluid flow through a pipe does not depend upon the

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

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

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its

Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

Use of economiser in a boiler plant reduces the fuel consumption for steam generation by about __________ percent.

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

The most important requirement for aluminium industry is the availability of cheap

L.D. (Linz-Donawitz) converter is used in the production of

Alloys having more than 80% copper are generally more

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?

Coating thickness in case of galvanising of steel sheet generally corresponds to the deposition of __________ gms of zinc per of steel strip.

Which of the following is not a ferromagnetic material?

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

A dummy activity is used in PERT network to describe the

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

Powder metallurgy technique is used in the production of __________ tools.

A spring material should have low

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

__________ stress cannot be sustained by a fluid in equilibrium.

Also checkout

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

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?