The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Question

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

A. 100

B. 200

C. 1000

D. 2000

Correct Answer :

B. 200

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A form of stress corrosion failure termed as 'season cracking' is generally observed in

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Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

Discuss this answer

Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.

A. 0.5

B. 1

C. 1/3

D. 2.5

Discuss this answer

A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

A. 0.01

B. 0.1

C. 0.25

D. 0.5

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Shaft/rotor speed is most accurately measured by a

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Window panes of aeroplanes are normally made of

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__________ test can be termed as the semidestructive test.

A. Impact

D. Charpy

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Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

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__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

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Work study deals with the __________ study.

A. Time

B. Motion

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In the Bayer's process, bauxite is digested under pressure using

B. NaOH

C. NH₃

D. HCl

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Which of the following is an example of stress corrosion?

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Energy of the sun arises mainly from __________ reactions.

A. Fusion

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The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

A. Rigid

B. Tough

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Isotropic materials have the same __________ in all directions.

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Which of the following if present in iron ore, enhances its value?

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The difference between gross & net calorific values of fuel is due to the

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Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C

B. °F

C. °K

D. °R

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

A. 15

B. 25

C. 10

D. 30

Discuss this answer

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.

Discuss this answer

Which of the following can be manufactured using powder metallurgy techniques?

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For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

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Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

C. Forged

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Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

A. H

B. H/2

C. H/4

D. H/6

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__________ test is the appropriate test to determine whether a material is ductile or brittle.

A. Impact

Discuss this answer

Which of the following phenomenon/ phenomena is/are diffusion controlled?

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

Discuss this answer

Which of the following mainly decides the current to be employed is arc welding?

Discuss this answer

The phenomenon occurring during explosion of a hydrogen bomb is

Discuss this answer

Maraging steels derive their strength from the following mechanism:

Discuss this answer

Answer 1

A. Thermosetting polymers

Answer 2

B. High carbon steels

Answer 3

C. Brasses

Answer 4

D. Borosilicate glasses

Answer 5

A. Frequency counter

Answer 6

B. Tachometer

Answer 7

C. Strobometer

Answer 8

D. Speedometer

Answer 9

A. Perspex (PMMA)

Answer 10

B. Teflon (PTFE)

Answer 11

C. Bakelite (phenol formaldehyde)

Answer 12

D. Polystyrene

Answer 13

B. Torsion

Answer 14

C. Hardness

Answer 15

A. Elaiden test

Answer 16

B. Reichert-Meissl value test

Answer 17

C. Hunter value test

Answer 18

D. Iodine value test

Answer 19

A. Beryllium

Answer 20

B. Zirconia

Answer 21

C. Alumina

Answer 22

D. Magnesia

Answer 23

C. Both (A) & (B)

Answer 24

D. Neither (A) nor (B)

Answer 25

A. H₂SO₄

Answer 26

A. Season cracking of brass

Answer 27

B. Caustic embrittlement of steel

Answer 28

C. Both (A) & (B)

Answer 29

D. Neither (A) nor (B)

Answer 30

B. Fission

Answer 31

C. Combustion

Answer 32

D. None of these

Answer 33

C. Ductile

Answer 34

D. Plastic

Answer 35

A. Induced stresses

Answer 36

B. Density

Answer 37

C. Elastic properties

Answer 38

D. Thermal properties

Answer 39

A. Alumina

Answer 40

B. Alkali oxide

Answer 41

C. Lime & Magnesia

Answer 42

D. None of these

Answer 43

A. Sensible heat carried away by the flue gases

Answer 44

B. Heat carried away by the steam from the moisture content of the fuel

Answer 45

C. Heat lost by radiation

Answer 46

D. Heat carried away by steam from the combustion of hydrogen in the fuel

Answer 47

A. Lack of free

Answer 48

B. Excess of

Answer 49

C. Decrease in

Answer 50

D. None of these

Answer 51

A. Brake linings

Answer 52

B. Bearings

Answer 53

C. Carbide tool tips

Answer 54

D. All 'a', 'b' and 'c'

Answer 55

A. Linearly

Answer 56

B. Exponentially

Answer 57

C. Logarithmically

Answer 58

D. Inversely

Answer 59

A. Hot rolled mild

Answer 60

B. Cold rolled mild

Answer 61

D. Machinable stainless

Answer 62

B. Cupping

Answer 63

C. Hardness

Answer 64

D. Tensile

Answer 65

A. Dislocation climb

Answer 66

B. Cross-slip

Answer 67

C. Twinning

Answer 68

D. Recrystallisation

Answer 69

A. High speed steel

Answer 70

B. Stainless steel

Answer 71

C. Tungsten carbide

Answer 72

D. Superalloys

Answer 73

A. Electrode size

Answer 74

B. Plate thickness

Answer 75

C. Voltage across the arc

Answer 76

D. Welded portion length

Answer 77

A. Nuclear fission

Answer 78

B. Nuclear fusion

Answer 79

C. A combination of both nuclear fission & fusion

Answer 80

D. None of these

Answer 81

A. A fine, highly dislocated and strong martensite

Answer 82

B. Fine dispersions of inter-metallic of Fe, Ni, Ti etc

Answer 83

C. Fine dispersions of alloy carbides in a ferrite matrix

Answer 84

D. Fine dispersions of

C nucleated on dislocations in austenite

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.

A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

Shaft/rotor speed is most accurately measured by a

Window panes of aeroplanes are normally made of

__________ test can be termed as the semidestructive test.

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Work study deals with the __________ study.

In the Bayer's process, bauxite is digested under pressure using

Which of the following is an example of stress corrosion?

Energy of the sun arises mainly from __________ reactions.

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

Isotropic materials have the same __________ in all directions.

Which of the following if present in iron ore, enhances its value?

The difference between gross & net calorific values of fuel is due to the

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

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.

Which of the following can be manufactured using powder metallurgy techniques?

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

__________ test is the appropriate test to determine whether a material is ductile or brittle.

Which of the following phenomenon/ phenomena is/are diffusion controlled?

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

Which of the following mainly decides the current to be employed is arc welding?

The phenomenon occurring during explosion of a hydrogen bomb is

Maraging steels derive their strength from the following mechanism:

Also checkout

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene welding is __________ Nm3.

A furnace is made of a refractory brick wall of thickness 0.5 metre and thermal conductivity 0.7 W/m.°K For the same temperature drop and heat loss, this refractory wall can be replaced by a layer of diatomaceous earth of thermal conductivity 0.14 W/m.K and thickness __________ metre.

Shaft/rotor speed is most accurately measured by a

Window panes of aeroplanes are normally made of

__________ test can be termed as the semidestructive test.

Which of the following test is used for distinguishing among dry oils, semi-drying oils and non drying oils?

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Work study deals with the __________ study.

In the Bayer's process, bauxite is digested under pressure using

Which of the following is an example of stress corrosion?

Energy of the sun arises mainly from __________ reactions.

The materials which fracture even at small strains are termed as brittle, while those materials which exhibit an appreciable deformation before failure are termed as

Isotropic materials have the same __________ in all directions.

Which of the following if present in iron ore, enhances its value?

The difference between gross & net calorific values of fuel is due to the

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.

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.

Which of the following can be manufactured using powder metallurgy techniques?

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

Square steel key is normally strong in failure by shear & crushing. Keys are normally made of __________ steel bars.

Minimum safe distance between two liquid fuel storage tanks is equal to (where, H = height of the tank)

__________ test is the appropriate test to determine whether a material is ductile or brittle.

Which of the following phenomenon/ phenomena is/are diffusion controlled?

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

Which of the following mainly decides the current to be employed is arc welding?

The phenomenon occurring during explosion of a hydrogen bomb is

Maraging steels derive their strength from the following mechanism:

Also checkout

Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

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