Carbon is present in the form of __________ in grey cast iron.

Question

Carbon is present in the form of __________ in grey cast iron.

C. Flakes

Correct Answer :

C. Flakes

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Increasing sulphur content in pig iron tends to make it

A. Soft

B. Hard

C. Tough

Discuss this answer

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

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

Discuss this answer

__________ is a non volatile film forming constituent of a paint.

B. Dryer

Discuss this answer

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

A. Collar

Discuss this answer

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. Nickel

Discuss this answer

Which of the following metals is the most prone to work hardening?

A. Brass

C. Copper

D. Lead

Discuss this answer

Production of a hollow product by inflation of a tube or parison is called the __________ process.

Discuss this answer

__________ test can be termed as the semidestructive test.

A. Impact

D. Charpy

Discuss this answer

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

Discuss this answer

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

Discuss this answer

Which of the following is not an ore of copper?

Discuss this answer

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

Discuss this answer

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Discuss this answer

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Natural water contains approximately __________ percent of heavy water.

A. 0.015

B. 0.71

C. 1.2

D. 3.5

Discuss this answer

Chromium molybdenum steel cannot be welded using __________ welding.

Discuss this answer

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

A. 1.5

B. 3

C. 5

D. 7

Discuss this answer

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

Discuss this answer

Shaft/rotor speed is most accurately measured by a

Discuss this answer

Austempering process results in the formation of __________ structure.

Discuss this answer

Titanium is added to molten aluminium alloys before casting for the purpose of

Discuss this answer

Brinell Hardness Number (BHN) for talc is approximately in the range of

A. 1-5

B. 20-30

Discuss this answer

Lead is added to 60:40 brass primarily to improve

Discuss this answer

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

B. Copper

Discuss this answer

Common salt is produced from sea water in India generally by the __________ method.

Discuss this answer

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

A. Tin

B. Lead

C. Zinc

D. Glass

Discuss this answer

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Discuss this answer

Answer 1

A. Spheroids

Answer 2

B. Nodular aggregates of graphite

Answer 3

D. Cementite

Answer 4

D. Ductile & malleable

Answer 5

A. Decrease gradually

Answer 6

B. Increase gradually

Answer 7

C. Increase rapidly

Answer 8

D. Remain constant

Answer 9

A. Thinner

Answer 10

C. Drying oil

Answer 11

D. None of these

Answer 12

B. Flanged

Answer 13

C. Bell and Spigot

Answer 14

D. Expansion

Answer 15

B. Vanadium

Answer 16

C. Molybdenum

Answer 17

D. Chromium

Answer 18

B. Aluminium

Answer 19

A. Blow moulding

Answer 20

B. Calendaring

Answer 21

C. Extrusion

Answer 22

D. Injection

Answer 23

B. Torsion

Answer 24

C. Hardness

Answer 25

A. Mechanical

Answer 26

B. Overall

Answer 27

C. Volumetric

Answer 28

D. Impeller

Answer 29

A. Diminishing balance

Answer 30

B. Sinking fund

Answer 31

C. Multiple straight line

Answer 32

D. Sum of the years digit

Answer 33

A. Cryolite

Answer 34

B. Azurite

Answer 35

C. Chalcopyrite

Answer 36

D. Malachite

Answer 37

A. Zirconia

Answer 38

B. Alumina

Answer 39

C. Bakelite

Answer 40

D. Tungsten carbide

Answer 41

A. Temperature - entropy

Answer 42

B. Temperature - pressure

Answer 43

C. Enthalpy - entropy

Answer 44

D. Enthalpy-pressure

Answer 45

D. V²/A²

Answer 46

A. Thermosetting polymers

Answer 47

B. High carbon steels

Answer 48

C. Brasses

Answer 49

D. Borosilicate glasses

Answer 50

A. Thermit

Answer 51

B. Electrical resistance

Answer 52

C. Oxy-acetylene

Answer 53

D. Any of these

Answer 54

A. Compared to the mass flow rate of cooling water, the rate of condensation of steam is invariably smaller

Answer 55

B. Maintaining vacuum on tube side is more difficult than that on the shell side

Answer 56

C. Water velocity can be increased conveniently to increase the overall heat transfer co-efficient because of its lower specific volume compared to steam

Answer 57

D. Condenser can act as a storage unit for condensed steam

Answer 58

A. Frequency counter

Answer 59

B. Tachometer

Answer 60

C. Strobometer

Answer 61

D. Speedometer

Answer 62

A. Martensitic

Answer 63

B. Bainitic

Answer 64

C. Carburised

Answer 65

D. Stressed

Answer 66

A. Grain refinement

Answer 67

B. Increasing corrosion resistance

Answer 68

C. Reducing porosity

Answer 69

D. Improving fluidity

Answer 70

C. 100-150

Answer 71

D. 200-250

Answer 72

A. Machinability

Answer 73

B. Corrosion resistance

Answer 74

C. Fluidity

Answer 75

D. Strength

Answer 76

A. Aluminium

Answer 77

C. Titanium

Answer 78

D. Stainless steel

Answer 79

A. Freeze drying

Answer 80

B. Solar evaporation

Answer 81

C. Electrolytic

Answer 82

D. None of these

Answer 83

A. Is at rest & has zero viscosity

Answer 84

B. Is frictionless

Answer 85

C. Fluid layer has no motion relative to an adjacent layer of fluid

Answer 86

D. is incompressible & frictionless

Carbon is present in the form of __________ in grey cast iron.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Increasing sulphur content in pig iron tends to make it

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

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.

__________ is a non volatile film forming constituent of a paint.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following metals is the most prone to work hardening?

Production of a hollow product by inflation of a tube or parison is called the __________ process.

__________ test can be termed as the semidestructive test.

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

Which of the following is not an ore of copper?

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

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

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

Natural water contains approximately __________ percent of heavy water.

Chromium molybdenum steel cannot be welded using __________ welding.

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

Shaft/rotor speed is most accurately measured by a

Austempering process results in the formation of __________ structure.

Titanium is added to molten aluminium alloys before casting for the purpose of

Brinell Hardness Number (BHN) for talc is approximately in the range of

Lead is added to 60:40 brass primarily to improve

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Common salt is produced from sea water in India generally by the __________ method.

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Also checkout

Carbon is present in the form of __________ in grey cast iron.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Increasing sulphur content in pig iron tends to make it

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

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.

__________ is a non volatile film forming constituent of a paint.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following metals is the most prone to work hardening?

Production of a hollow product by inflation of a tube or parison is called the __________ process.

__________ test can be termed as the semidestructive test.

In case of a, centrifugal pump, the ratio h1/h2 is termed as the __________ efficiency (where, h1 = actual measured head & h2 = head imparted to the fluid by impeller).

Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________ method.

Which of the following is not an ore of copper?

In the formation of cermets, the ratio of ceramic material to metallic material is usually 80:20. Which of the following is a cermet?

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

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

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

Natural water contains approximately __________ percent of heavy water.

Chromium molybdenum steel cannot be welded using __________ welding.

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

In condensers used in thermal power plants, steam is normally used in shell side and cooling water on the tube side, because of the reason that

Shaft/rotor speed is most accurately measured by a

Austempering process results in the formation of __________ structure.

Titanium is added to molten aluminium alloys before casting for the purpose of

Brinell Hardness Number (BHN) for talc is approximately in the range of

Lead is added to 60:40 brass primarily to improve

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Common salt is produced from sea water in India generally by the __________ method.

In an amorphous material, atoms defy any definite atomic structure and exist in random pattern just like in liquid. Which of the following is an amorphous material?

The normal stress is the same in all directions at a point in a fluid, only when the fluid

Also checkout

In case of a, centrifugal pump, the ratio h₁/h₂ is termed as the __________ efficiency (where, h₁ = actual measured head & h₂ = head imparted to the fluid by impeller).