Which of the following metals reacts violently with water?

Question

Which of the following metals reacts violently with water?

B. Sodium

Correct Answer :

B. Sodium

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Case hardening of a material is

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Silicon crystal can be converted to p-type semiconductor by doping with

C. Carbon

D. Boron

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Main constituent of bone ash is

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Normalising does not __________ of a metal.

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Tin based white metals are used, where bearings are subjected to

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Fibre reinforced plastic (FRP) are

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

A. Impact

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__________ pipe is the most suitable for carrying sanitary drainage.

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Colour comparator is used to measure the

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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

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When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

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

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The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

A. 4.4

B. 5.6

C. 8.4

D. 2.4

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Presence of nickel & chromium in steel does not raise its

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The swift cup test evaluates the following property of a sheet metal.

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A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

A. 150

B. 200

C. 300

D. 400

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Work done by a/an __________ process is determined by ∫p. dv

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Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

C. Slip

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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

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Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

A. Mach

B. Froude

D. Euler

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Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

A.

B.

C.

D.

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Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

A. Invar

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Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

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Cemented carbide tools are not suitable for cutting

B. Brass

D. Steel

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__________ joint is mostly used for joining pipes carrying water at low pressure.

A. Nipple

B. Socket

C. Union

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Maximum hardenability of steel depends upon its

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The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

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Water hammer is caused in steam carrying pipelines, because of

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Dislocation cross-slip is difficult in those materials, which have

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Unbreakable crockeries are made from __________ polymers.

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Answer 1

A. Mercury

Answer 2

C. Calcium

Answer 3

D. Magnesium

Answer 4

A. Followed by tempering or carburising

Answer 5

B. Preceded by its tempering

Answer 6

C. Done to get a soft ductile interior with a very hard surface

Answer 7

D. Carried out to get extreme hardness in its core

Answer 8

A. Phosphorous

Answer 9

B. Nitrogen

Answer 10

A. Ammonium phosphate

Answer 11

B. Calcium phosphate

Answer 12

C. Animal charcoal

Answer 13

D. Ammonium sulphate

Answer 14

A. Improve machinability & tensile strength

Answer 15

B. Remove internal stresses

Answer 16

C. Refine the structure

Answer 17

D. Remove strains caused by cold working

Answer 18

A. High pressure & load

Answer 19

B. Low pressure & load

Answer 20

C. High temperature

Answer 21

D. Large surface wear

Answer 22

A. Made of glass fibre and thermoplastic resins

Answer 23

B. Anisotropic

Answer 24

C. Made of thermosetting resin and glass fibre

Answer 25

D. Both 'b' & 'c'

Answer 26

B. Completely reversed

Answer 27

C. Dynamic

Answer 28

D. Static & dynamic

Answer 29

A. Stainless steel

Answer 30

B. Reinforced cement concrete

Answer 31

C. Cast iron

Answer 32

D. Asbestos cement

Answer 33

A. pH value

Answer 34

B. Electrode potential

Answer 35

C. Colour intensity

Answer 36

D. None of these

Answer 37

A. Critical

Answer 38

B. Breeder

Answer 39

C. Fertile

Answer 40

D. Heterogeneous

Answer 41

A. Decreases & increases

Answer 42

B. Increases & increases

Answer 43

C. Increases & decreases

Answer 44

D. Decreases & decreases

Answer 45

A. Linearly

Answer 46

B. Exponentially

Answer 47

C. Logarithmically

Answer 48

D. Inversely

Answer 49

A. Elastic limit

Answer 50

B. Machining properties

Answer 51

C. Ductility

Answer 52

D. Resilience

Answer 53

A. Stretchability

Answer 54

B. Drawability

Answer 55

C. Bendability

Answer 56

D. None of these

Answer 57

A. Adiabatic

Answer 58

B. Quasi-static

Answer 59

C. Isothermal

Answer 60

D. Isentropic

Answer 61

A. Fracture

Answer 62

B. Dislocation

Answer 63

D. Twinning

Answer 64

C. Reynolds

Answer 65

B. Hastelloy

Answer 66

C. Duralumin

Answer 67

D. Monel metal

Answer 68

A. Aluminium

Answer 69

C. Cast iron

Answer 70

D. Bell and spigot

Answer 71

A. Chemical composition

Answer 72

B. Carbon content

Answer 73

C. Grain size

Answer 74

D. Alloying elements content

Answer 75

A. Partial condensation of steam

Answer 76

B. Vibration of the pipeline

Answer 77

C. High degree of superheat of steam

Answer 78

D. Its exposure to torrential rain

Answer 79

A. Large number of slip systems

Answer 80

B. High work hardening rate

Answer 81

C. Coarse grain size

Answer 82

D. Low stacking fault energy

Answer 83

A. Polystyrene

Answer 84

B. Melamine

Answer 85

C. Polystyrene

Answer 86

D. Polyurethane

Which of the following metals reacts violently with water?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Case hardening of a material is

Silicon crystal can be converted to p-type semiconductor by doping with

Main constituent of bone ash is

Normalising does not __________ of a metal.

Tin based white metals are used, where bearings are subjected to

Fibre reinforced plastic (FRP) are

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

__________ pipe is the most suitable for carrying sanitary drainage.

Colour comparator is used to measure the

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

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

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

Presence of nickel & chromium in steel does not raise its

The swift cup test evaluates the following property of a sheet metal.

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Work done by a/an __________ process is determined by ∫p. dv

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

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

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Thermal efficiency of an internal combustion engine is around __________ percent.

Cemented carbide tools are not suitable for cutting

__________ joint is mostly used for joining pipes carrying water at low pressure.

Maximum hardenability of steel depends upon its

The lightest non-inflammable gas is

Water hammer is caused in steam carrying pipelines, because of

Dislocation cross-slip is difficult in those materials, which have

Unbreakable crockeries are made from __________ polymers.

Also checkout

Which of the following metals reacts violently with water?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Case hardening of a material is

Silicon crystal can be converted to p-type semiconductor by doping with

Main constituent of bone ash is

Normalising does not __________ of a metal.

Tin based white metals are used, where bearings are subjected to

Fibre reinforced plastic (FRP) are

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

__________ pipe is the most suitable for carrying sanitary drainage.

Colour comparator is used to measure the

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

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

The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

Presence of nickel & chromium in steel does not raise its

The swift cup test evaluates the following property of a sheet metal.

A polymer is termed as an 'elastomer', if its percentage elongation is more than 100%. An elastomer is termed as 'rubber' if its percentage elongation is more than __________ percent.

Work done by a/an __________ process is determined by ∫p. dv

Strain hardening effect in a metal subjected to cold working is due to the __________ mechanism.

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

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

Temperature profile along the length of a gasgas counter flow heat exchanger is correctly represented by

Metallic surveying tapes are made of __________ which has a low co-efficient of expansion & enough strength.

Thermal efficiency of an internal combustion engine is around __________ percent.

Cemented carbide tools are not suitable for cutting

__________ joint is mostly used for joining pipes carrying water at low pressure.

Maximum hardenability of steel depends upon its

The lightest non-inflammable gas is

Water hammer is caused in steam carrying pipelines, because of

Dislocation cross-slip is difficult in those materials, which have

Unbreakable crockeries are made from __________ polymers.

Also checkout

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)