Glass reacts with

Question

Glass reacts with

B. HF

C. HNO₃

Correct Answer :

B. HF

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Tesla metre per ampere (T. m/A) is the unit for the measurement of

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Laser welding is widely employed in the __________ industries.

D. Heavy

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Rankine cycle comprises of two isothermal and two __________ processes.

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Oxyacetylene reducing flame is used while carrying out welding on

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

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Vernier calipers cannot be used to measure the

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The leaching solvent used in Baeyer's process for the purification of bauxite is

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Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

A. 723

B. 959

C. 1147

D. 1493

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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

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Temper brittleness of a material can be fairly detected by the __________ test.

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For preparation of porous bearings by powder metallurgy, preferred particle shape is

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__________ property of a material is determined by the Herbert Pendulum device.

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Addition of __________ to steel does not impart hardness.

A. Nickel

B. Copper

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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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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

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Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

A. 20

B. 200

C. 500

D. 2000

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Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?

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With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

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

A. Impact

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Gross national product (GNP) means the total value of __________ in a country.

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Unit of viscosity in CGS system is

A.

B.

C.

D.

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Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

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Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

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Solute atoms which cause yield point phenomenon in mild steel are/is

B. Boron

C. Carbon

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Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

A. 9,100

B. 13,000

C. 7,000

D. 2,550

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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

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The same volume of all gases is representative of their

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Lead pencil contains

C. Lead

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Faraday's law of electrolysis is related to the

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The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

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Answer 1

A. H₂SO₃

Answer 2

D. K₂Cr₂O₇

Answer 3

A. Magnetic susceptibility

Answer 4

B. Magnetic moment

Answer 5

C. Permeability of free space

Answer 6

D. Flux density

Answer 7

A. Electronic

Answer 8

B. Structural

Answer 9

C. Process

Answer 10

A. Isobaric

Answer 11

B. Polytropic

Answer 12

C. Isentropic

Answer 13

D. None of these

Answer 14

A. Alloy steel

Answer 15

B. Grey cast iron

Answer 16

C. Mild steel

Answer 17

D. High carbon steel

Answer 18

A. Molybdenum

Answer 19

B. Chromium

Answer 20

C. Tungsten

Answer 21

D. Vanadium

Answer 22

A. I.D. & O.D. of the shaft

Answer 23

B. Thickness of parts

Answer 24

C. Depth of holes

Answer 25

D. Clearance between two mating surfaces

Answer 26

A. Ammonium hydroxide

Answer 27

B. Sodium carbonate

Answer 28

C. Sodium hydroxide

Answer 29

D. Ammonium carbonate

Answer 30

A. Fatigue

Answer 31

B. Notched bar impact

Answer 32

C. Tensile

Answer 33

D. Hardness

Answer 34

A. Spherical

Answer 35

B. Nodular

Answer 36

C. Irregular

Answer 37

D. No preferred shape

Answer 38

A. Hardness

Answer 39

B. Tensile

Answer 40

C. Toughness

Answer 41

D. Compressive

Answer 42

C. Chromium

Answer 43

D. Silicon

Answer 44

A. Hot rolled mild

Answer 45

B. Cold rolled mild

Answer 46

D. Machinable stainless

Answer 47

A. Small punches, broaches reamers and springs

Answer 48

B. Cutlery, screws, rivets and files

Answer 49

C. Mandrels, twist drills, small lathe tools and razors

Answer 50

D. Forgings like can shaft, structural steel plate, threading dies and drawing dies

Answer 51

A. Supercharging

Answer 52

B. Wall temperature

Answer 53

C. Compression ratio

Answer 54

D. Engine speed

Answer 55

B. Cupping

Answer 56

C. Hardness

Answer 57

D. Tensile

Answer 58

A. Goods produced

Answer 59

B. Gold reserve

Answer 60

C. Earning of the citizens

Answer 61

D. Taxes paid

Answer 62

A. High fusibility & fluidity

Answer 63

B. High thermal conductivity

Answer 64

C. Low density

Answer 65

D. High chemical activity

Answer 66

A. Aluminium

Answer 67

D. Nitrogen

Answer 68

B. 1000-1500

Answer 69

C. 120-500

Answer 70

D. 1500-3000

Answer 71

A. Specific gravities

Answer 72

B. Densities

Answer 73

C. Gas characteristic constants

Answer 74

D. Molecular weights

Answer 75

A. Graphite

Answer 76

B. Lead sulphide

Answer 77

D. Both (B) & (C)

Answer 78

A. Cation speed

Answer 79

B. Atomic number of the cation

Answer 80

C. Equivalent mass of the electrolyte

Answer 81

D. None of these

Answer 82

A. 60 - 100

Answer 83

B. 400 - 700

Answer 84

C. 1200 -1500

Answer 85

D. 2000 - 2300

Glass reacts with

Correct Answer :

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Related Questions

Tesla metre per ampere (T. m/A) is the unit for the measurement of

Laser welding is widely employed in the __________ industries.

Rankine cycle comprises of two isothermal and two __________ processes.

Oxyacetylene reducing flame is used while carrying out welding on

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

Vernier calipers cannot be used to measure the

The leaching solvent used in Baeyer's process for the purification of bauxite is

Eutectic reaction for iron-carbon system occurs at a temperature of __________ °C.

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?

Temper brittleness of a material can be fairly detected by the __________ test.

For preparation of porous bearings by powder metallurgy, preferred particle shape is

__________ property of a material is determined by the Herbert Pendulum device.

Addition of __________ to steel does not impart hardness.

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

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

Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.

Which of the following are made out of the carbon steel having carbon content of 0.9 to 1%?

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

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

Gross national product (GNP) means the total value of __________ in a country.

Unit of viscosity in CGS system is

Which of the following is an undesirable property of slag produced during the Pyrometallurgical method of metal extraction from its ore?

Neutrons are present in all atoms except that of

Solute atoms which cause yield point phenomenon in mild steel are/is

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

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

The same volume of all gases is representative of their

Lead pencil contains

Faraday's law of electrolysis is related to the

The usual energy consumption in electric arc furnace steel making is __________ KWh/ton of steel.

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