__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Question

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

A. Mach

C. Froude

D. Weber

Correct Answer :

C. Froude

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Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

C. Yield

Discuss this answer

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

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

Materials having __________ lattice structure are usually the most ductile.

Discuss this answer

The elastic strain in copper is due to the

Discuss this answer

Plastics as a material of construction suffer from the drawback of low

Discuss this answer

Triple point of water is

A. 0°F

B. 492°R

C. 0°K

Discuss this answer

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Discuss this answer

Cold heading or upsetting is categorised as the __________ process.

Discuss this answer

Spheroidising of a material is a/an __________ process.

Discuss this answer

Highest cutting speed is achieved by the __________ tool material.

Discuss this answer

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Discuss this answer

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

Discuss this answer

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

Discuss this answer

Which one is neutral in character?

B. N₂O

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

Discuss this answer

The ratio of the shear stress to the principal stress on a principal plane is

A. 0

B. 1

C. 1/2

D. 1/3

Discuss this answer

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

A. V

B. V/2

C. 2V

D. 3V

Discuss this answer

The 'laughing gas' is

Discuss this answer

__________ cannot increase the fatigue strength of a material.

Discuss this answer

Lead is poured into the joint between two- __________ pipes.

Discuss this answer

__________ is not used as the control rod material in a nuclear reactor.

A. Cobalt

D. Boron

Discuss this answer

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

Discuss this answer

__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

C. Cermet

D. Alnico

Discuss this answer

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

A. 8

B. 35

C. 65

D. 80

Discuss this answer

In electrical resistance welding, distortion results from the use of improper

Discuss this answer

Case hardening of a material is

Discuss this answer

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

A. 159

B. 1837

C. 2537

D. 10000

Discuss this answer

Eutectoid composition of carbon steel at room temperature is

Discuss this answer

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

A. x^1.5

B. x^0.8

C. x^-1.5

D. x^-0.8

Discuss this answer

Answer 1

B. Reynolds

Answer 2

A. Working

Answer 3

B. Bearing

Answer 4

D. None of these

Answer 5

A. Concentration

Answer 6

B. Velocity

Answer 7

C. Temperature

Answer 8

D. None of these

Answer 9

B. Flanged

Answer 10

C. Bell and Spigot

Answer 11

D. Expansion

Answer 12

A. Body centred cubic (bcc)

Answer 13

B. Hexagonal close packed (hcp)

Answer 14

C. Face centred cubic (fcc)

Answer 15

D. None of these

Answer 16

A. Motion of dislocations

Answer 17

B. Stretching of atomic bonds

Answer 18

C. Breakage of atomic bonds

Answer 19

D. None of the above

Answer 20

A. Machinability

Answer 21

B. Density

Answer 22

C. Strength

Answer 23

D. Plastic deformation

Answer 24

D. -273°C

Answer 25

A. Decreases

Answer 26

B. Increases

Answer 27

C. Remain same

Answer 28

D. May increase or decrease

Answer 29

A. Extrusion

Answer 30

B. Bending

Answer 31

C. Rolling

Answer 32

D. Forging

Answer 33

A. Normalising

Answer 34

B. Annealing

Answer 35

C. Tempering

Answer 36

D. Hardening

Answer 37

A. High speed steel

Answer 38

B. Carbide

Answer 39

C. Cast alloy

Answer 40

D. Plain carbon steel

Answer 41

A. Sorbite

Answer 42

B. Bainite

Answer 43

C. Martensite

Answer 44

D. Troostite

Answer 45

A. Goods produced

Answer 46

B. Gold reserve

Answer 47

C. Earning of the citizens

Answer 48

D. Taxes paid

Answer 49

B. Slightly less

Answer 50

C. Slightly more

Answer 51

D. Much more

Answer 52

A. N₂O₄

Answer 53

C. N₂O₅

Answer 54

D. N₂O₃

Answer 55

A. Hardness

Answer 56

B. Tensile

Answer 57

C. Toughness

Answer 58

D. Compressive

Answer 59

A. Nitrous oxide

Answer 60

B. Nitric oxide

Answer 61

C. Nitrogen trioxide

Answer 62

D. Nitrogen pentoxide

Answer 63

A. Grain refining

Answer 64

B. Grain coarsening

Answer 65

C. Surface hardening

Answer 66

D. Shot peening

Answer 67

A. Mild steel

Answer 68

B. Concrete

Answer 69

C. Cast iron

Answer 70

D. Asbestos cement

Answer 71

B. Hafnium

Answer 72

C. Cadmium

Answer 73

A. Increases the reducing potential of the gas

Answer 74

B. Increases the flame temperature

Answer 75

C. No significant change occurs

Answer 76

D. Increases the hydrogen content in the metal

Answer 77

A. Stellite

Answer 78

B. High speed steel

Answer 79

A. Clamping methods

Answer 80

B. Electrodes

Answer 81

C. Current

Answer 82

D. Filler material

Answer 83

A. Followed by tempering or carburising

Answer 84

B. Preceded by its tempering

Answer 85

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

Answer 86

D. Carried out to get extreme hardness in its core

Answer 87

A. Cementite

Answer 88

B. Pearlite

Answer 89

C. Martensite

Answer 90

D. Ferrite

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

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

__________ 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.

Materials having __________ lattice structure are usually the most ductile.

The elastic strain in copper is due to the

Plastics as a material of construction suffer from the drawback of low

Triple point of water is

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Cold heading or upsetting is categorised as the __________ process.

Spheroidising of a material is a/an __________ process.

Highest cutting speed is achieved by the __________ tool material.

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

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

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Which one is neutral in character?

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

The ratio of the shear stress to the principal stress on a principal plane is

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

The 'laughing gas' is

__________ cannot increase the fatigue strength of a material.

Lead is poured into the joint between two- __________ pipes.

__________ is not used as the control rod material in a nuclear reactor.

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

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

In electrical resistance welding, distortion results from the use of improper

Case hardening of a material is

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

Eutectoid composition of carbon steel at room temperature is

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

Also checkout

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Factor of safety in machine design is defined as the ratio of ultimate stress to __________ stress.

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

__________ 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.

Materials having __________ lattice structure are usually the most ductile.

The elastic strain in copper is due to the

Plastics as a material of construction suffer from the drawback of low

Triple point of water is

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Cold heading or upsetting is categorised as the __________ process.

Spheroidising of a material is a/an __________ process.

Highest cutting speed is achieved by the __________ tool material.

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

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

The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Which one is neutral in character?

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

The ratio of the shear stress to the principal stress on a principal plane is

'Dikes' are low height walls made around the storage vessels meant for storing hazardous & inflammable material (e.g., petroleum products). Volume of dikes is equal to (where, V = volume of the storage vessel)

The 'laughing gas' is

__________ cannot increase the fatigue strength of a material.

Lead is poured into the joint between two- __________ pipes.

__________ is not used as the control rod material in a nuclear reactor.

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

__________ is the trade name assigned to a nonferrous cast alloy composed of cobalt, chromium & tungsten.

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

In electrical resistance welding, distortion results from the use of improper

Case hardening of a material is

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

Eutectoid composition of carbon steel at room temperature is

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

Also checkout

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)