What is the value of entropy at 273°K?

Question

What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

Correct Answer :

A. 0

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Rankine cycle comprises of two isothermal and two __________ processes.

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Multistage compression of air as compared to single stage compression offers the advantage of

Discuss this answer

The difference between gross & net calorific values of fuel is due to the

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Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

A. Atoms

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Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

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Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

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Plasma is

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In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

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Hot working of lead is carried out at

A. 75°C

B. 373°K

C. 150°C

Discuss this answer

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

A. Red

C. Super

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Which of the following is an unconventional source of energy?

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For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

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__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

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Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

A. 1/k

B. k

C. k²

D. 1/k²

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According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

A. 0.5

B. 2

C. √2

D. √3/2

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Which of the following is not a ferromagnetic material?

A. Nickel

B. Cobalt

D. Iron

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Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

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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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With increase in compression ratio, the volumetric efficiency of air compressor

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

Discuss this answer

Pick out the wrong statement.

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Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Discuss this answer

Adhesives

Discuss this answer

What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

Discuss this answer

Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Discuss this answer

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

C. 0°K

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Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

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A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

A. -0.8

B. 0.8

C. +0.08

D. -0.24

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LVDT used for displacement measurement is a/an __________ transducer.

B. Active

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Answer 1

D. None of these

Answer 2

A. Isobaric

Answer 3

B. Polytropic

Answer 4

C. Isentropic

Answer 5

D. None of these

Answer 6

A. Power saving per unit weight of air delivered

Answer 7

B. Moisture elimination in the inter-stage cooler

Answer 8

C. Increased volumetric efficiency

Answer 9

D. All (A), (B) & (C)

Answer 10

A. Sensible heat carried away by the flue gases

Answer 11

B. Heat carried away by the steam from the moisture content of the fuel

Answer 12

C. Heat lost by radiation

Answer 13

D. Heat carried away by steam from the combustion of hydrogen in the fuel

Answer 14

B. Neutrons

Answer 15

C. Nucleons

Answer 16

D. Electrons

Answer 17

A. Conductor

Answer 18

B. Insulator

Answer 19

C. Semi-conductor

Answer 20

D. None of these

Answer 21

A. A high temperature neutral gas

Answer 22

B. Nothing but ionised gas

Answer 23

C. A source of steady and highest controllable pressure

Answer 24

D. Formed at very low temperature

Answer 25

A. Stainless steel

Answer 26

B. Mild steel

Answer 27

C. High speed steel

Answer 28

D. High carbon steel

Answer 29

D. Room temperature

Answer 30

B. Extended

Answer 31

D. Extreme

Answer 32

A. Thermal power

Answer 33

B. Hydroelectric power

Answer 34

C. Nuclear-fusion power

Answer 35

D. Solar power

Answer 36

A. Propane and acetylene

Answer 37

B. Propane and LPG

Answer 38

C. Sewage gas and gobar gas

Answer 39

D. B.F gas and coke oven gas

Answer 40

A. Wrought iron

Answer 41

B. Stainless steel

Answer 42

C. Mild steel

Answer 43

D. High speed steel

Answer 44

A. Beryllium

Answer 45

B. Zirconia

Answer 46

C. Alumina

Answer 47

D. Magnesia

Answer 48

C. Aluminium

Answer 49

A. Cobalt, chromium & tungsten

Answer 50

B. Cobalt, chromium & nickel

Answer 51

C. Molybdenum, tungsten & chromium

Answer 52

D. Cobalt, zirconium & molybdenum

Answer 53

A. Increases

Answer 54

B. Decreases

Answer 55

C. Remain same

Answer 56

D. May increase or decrease (depends on the suction pressure)

Answer 57

A. Concentration

Answer 58

B. Velocity

Answer 59

C. Temperature

Answer 60

D. None of these

Answer 61

A. The X-rays cannot be deflected by electric field unlike cathode rays

Answer 62

B. The intensity of X-rays can be measured by ionisation current produced due to the ionisation of gas by X-rays

Answer 63

C. The quality of X-rays can be controlled by varying the anode-cathode voltage

Answer 64

D. Crystal structure of a material can be studied by an electron microscope

Answer 65

A. 9.5 : 1

Answer 66

B. 12.5 : 1

Answer 67

C. 15.5 : 1

Answer 68

D. 18.5 : 1

Answer 69

A. Cant be used in the form of pressure sensitive tapes

Answer 70

B. Cant join two dissimilar metals

Answer 71

C. Cure instantaneously after application on a surface

Answer 72

D. None of these

Answer 73

D. None of these

Answer 74

A. Cementite

Answer 75

B. Austenite

Answer 76

C. Martensite

Answer 77

D. Pearlite

Answer 78

A. High vacuum

Answer 79

B. Zero pressure

Answer 80

D. Earth's centre

Answer 81

A. Preloaded spring

Answer 82

B. Piezoelectric

Answer 83

C. Bonded strain gauge

Answer 84

D. None of these

Answer 85

A. Passive

Answer 86

C. Capacitive

Answer 87

D. None of these

What is the value of entropy at 273°K?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Rankine cycle comprises of two isothermal and two __________ processes.

Multistage compression of air as compared to single stage compression offers the advantage of

The difference between gross & net calorific values of fuel is due to the

Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Which one of the following is incombustible?

Plasma is

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Hot working of lead is carried out at

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

Which of the following is an unconventional source of energy?

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Which of the following is not a ferromagnetic material?

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

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

With increase in compression ratio, the volumetric efficiency of air compressor

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

Pick out the wrong statement.

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Adhesives

What is the value of entropy at 273°K?

Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

LVDT used for displacement measurement is a/an __________ transducer.

Also checkout

What is the value of entropy at 273°K?

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Rankine cycle comprises of two isothermal and two __________ processes.

Multistage compression of air as compared to single stage compression offers the advantage of

The difference between gross & net calorific values of fuel is due to the

Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

Materials having resistivity ranging from 1 to 100 ohm. cm is termed as

Which one of the following is incombustible?

Plasma is

In a drilling process, the metal is removed by both shearing & extrusion. General purpose drills are made of

Hot working of lead is carried out at

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

Which of the following is an unconventional source of energy?

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.

Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

Which of the following is not a ferromagnetic material?

Principal alloying elements of cast tool alloys which have very high wear resistance & high temperature strength are

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

With increase in compression ratio, the volumetric efficiency of air compressor

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

Pick out the wrong statement.

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Adhesives

What is the value of entropy at 273°K?

Transformation range for ferrous material is the temperature interval during which __________ is formed during its heating.

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Vibration upto 100 kilo hertz can be most accurately measured by a __________ type accelerometer.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

LVDT used for displacement measurement is a/an __________ transducer.

Also checkout

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?