What is the pH of distilled water?

Question

What is the pH of distilled water?

A. 0

B. 1

C. 7

D. 14

Correct Answer :

C. 7

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Comment

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

__________ of test specimens is not involved in any hardness testing method.

C. Wear

Discuss this answer

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

Discuss this answer

__________ is used as a material of construction for the blade of power saw.

Discuss this answer

__________ is used for tying the steel columns to concrete foundation.

Discuss this answer

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

A.

B.

C.

D.

Discuss this answer

The specific gravity of coal depends mainly on its __________ content.

A. Carbon

C. Ash

Discuss this answer

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

C. Zero

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Larger length & diameter water pipes are made by

Discuss this answer

Evaporative cooling process employs a combination of cooling and humidification in which the

Discuss this answer

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

Discuss this answer

An alloy of Fe - 0.4 % C is

Discuss this answer

__________ is not used as a material of construction in thermocouples.

A. Alumel

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. Lumps

D. Sinter

Discuss this answer

The hardenability of steel decreases with

Discuss this answer

Matte smelting is used in the extraction of

A. Lead

B. Zinc

D. Copper

Discuss this answer

Milk is fat dispersed in water. It is an example of

C. Gel

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

C. Neon

D. Helium

Discuss this answer

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

A. Steel

Discuss this answer

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

Discuss this answer

Which of the following alloying elements is present in maximum percentage in high speed steel?

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

A material is capable of resisting softening at high temperature, because of its property termed as

D. Creep

Discuss this answer

Constituents of stellite are

Discuss this answer

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

Discuss this answer

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

Discuss this answer

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

Discuss this answer

The thermodynamic law, = constant, is not followed by the

Discuss this answer

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Discuss this answer

Air-petrol ratio for maximum power generation in spark ignition engine is about

A. 6 : 1

B. 12 : 1

C. 18 : 1

D. 24 : 1

Discuss this answer

Answer 1

A. Fracture

Answer 2

B. Indentation

Answer 3

D. Scratch

Answer 4

D. 2.3 × 10⁶ J

Answer 5

A. Wrought iron

Answer 6

B. Stainless steel

Answer 7

C. Mild steel

Answer 8

D. High speed steel

Answer 9

A. Grouting

Answer 10

B. Eyebolt

Answer 11

C. Anchor bolts

Answer 12

D. Refractory castables

Answer 13

B. Volatile matter

Answer 14

D. Moisture

Answer 15

A. Very low which prevents their ignition by compression

Answer 16

B. Very high which prevents their ignition by compression

Answer 17

D. None of these

Answer 18

A. Electrical resistance welding

Answer 19

B. Die casting

Answer 20

C. Semi-centrifugal casting

Answer 21

D. Continuous casting

Answer 22

A. Sensible heat is added

Answer 23

B. Sensible heat is removed and the latent heat is added

Answer 24

C. Latent heat is removed

Answer 25

D. Sensible heat is added and latent heat is removed

Answer 26

A. 5 to 10

Answer 27

B. 15 to 25

Answer 28

C. 45 to 50

Answer 29

D. 75 to 80

Answer 30

A. Cast iron

Answer 31

B. Hypo-eutectoid steel

Answer 32

C. Hyper-eutectoid steel

Answer 33

D. Eutectoid steel

Answer 34

B. Rhodium

Answer 35

C. Constantan

Answer 36

D. Duralumin

Answer 37

B. Pellets

Answer 38

C. Briquettes

Answer 39

A. Decrease in dislocation density

Answer 40

B. Increase in solutionising temperature

Answer 41

C. Increase in strength

Answer 42

D. Decrease in grain size

Answer 43

C. Aluminium

Answer 44

A. Suspension

Answer 45

B. Emulsion

Answer 46

D. Solution

Answer 47

A. Deuterium

Answer 48

B. Hydrogen

Answer 49

B. Cast iron

Answer 50

C. Aluminium

Answer 51

D. None of these

Answer 52

A. High speed steel

Answer 53

B. Stainless steel

Answer 54

C. Tungsten carbide

Answer 55

D. Superalloys

Answer 56

A. Molybdenum

Answer 57

B. Chromium

Answer 58

C. Tungsten

Answer 59

D. Vanadium

Answer 60

D. Y = C_p/C_v

Answer 61

A. Hot temper

Answer 62

B. Hot hardness

Answer 63

C. Fatigue

Answer 64

A. Zinc, copper & nickel

Answer 65

B. Cobalt, chromium & tungsten

Answer 66

C. Zinc, aluminium & nickel

Answer 67

D. Nickel, cobalt & vanadium

Answer 68

A. Concentration

Answer 69

B. Velocity

Answer 70

C. Temperature

Answer 71

D. None of these

Answer 72

A. Is trebled

Answer 73

B. Remains unchanged

Answer 74

C. Decreases by a factor of 3

Answer 75

D. Decreases by a factor of 1/3

Answer 76

A. Elaiden test

Answer 77

B. Reichert-Meissl value test

Answer 78

C. Hunter value test

Answer 79

D. Iodine value test

Answer 80

A. Free expansion of an ideal gas

Answer 81

B. Adiabatic expansion of steam in turbine

Answer 82

C. Adiabatic compression of air

Answer 83

D. Ideal compression of air

Answer 84

A. Evaporative capacity

Answer 85

B. Evaporation efficiency

Answer 86

C. Thermal efficiency

Answer 87

D. Steam load

What is the pH of distilled water?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

__________ of test specimens is not involved in any hardness testing method.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

__________ is used as a material of construction for the blade of power saw.

__________ is used for tying the steel columns to concrete foundation.

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

The specific gravity of coal depends mainly on its __________ content.

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

Larger length & diameter water pipes are made by

Evaporative cooling process employs a combination of cooling and humidification in which the

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

An alloy of Fe - 0.4 % C is

__________ is not used as a material of construction in thermocouples.

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

The hardenability of steel decreases with

Matte smelting is used in the extraction of

Milk is fat dispersed in water. It is an example of

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

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

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

Which of the following alloying elements is present in maximum percentage in high speed steel?

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 material is capable of resisting softening at high temperature, because of its property termed as

Constituents of stellite are

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

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

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

The thermodynamic law, = constant, is not followed by the

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Air-petrol ratio for maximum power generation in spark ignition engine is about

Also checkout

What is the pH of distilled water?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

__________ of test specimens is not involved in any hardness testing method.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

__________ is used as a material of construction for the blade of power saw.

__________ is used for tying the steel columns to concrete foundation.

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

The specific gravity of coal depends mainly on its __________ content.

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is

Larger length & diameter water pipes are made by

Evaporative cooling process employs a combination of cooling and humidification in which the

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

An alloy of Fe - 0.4 % C is

__________ is not used as a material of construction in thermocouples.

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

The hardenability of steel decreases with

Matte smelting is used in the extraction of

Milk is fat dispersed in water. It is an example of

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

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

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

Which of the following alloying elements is present in maximum percentage in high speed steel?

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 material is capable of resisting softening at high temperature, because of its property termed as

Constituents of stellite are

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

If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

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

The thermodynamic law, = constant, is not followed by the

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Air-petrol ratio for maximum power generation in spark ignition engine is about

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

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