The units of the rate constant for a second order reaction are

Question

The units of the rate constant for a second order reaction are

A.

B.

C.

D.

Correct Answer :

C.

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The life of a ball bearing is inversely proportional to

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Consideration of the creep is the most important in case of the

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The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

A. 768

B. 908

C. 1400

D. 1539

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Hardening of steel is not possible, unless it is heated __________ critical point.

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The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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__________ flux is used for the extraction of metal from its self fluxing ores.

A. No

B. Acid

C. Basic

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

A. 0.25

B. 0.45

C. 0.70

D. 0.95

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__________ is a non volatile film forming constituent of a paint.

B. Dryer

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Which of the following is an unconventional source of energy?

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Wood is a/an __________ material.

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A material subjected __________ must have high resilience.

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

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Steel produced from phosphatic iron is __________ in nature.

D. Tough

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Brazing filler metal used for joining steel plates

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Carbon supply in pack carburising process is in the form of

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

B. Boron

C. Carbon

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The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

B. Carbon

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Holes for riveting purposes should be preferably made by

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For separating small pieces of metal from engine oil of a car, the best separating technique is the

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Thermit welding uses the following energy source.

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Angular displacement can be measured suitably by a

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Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C

B. °F

C. °K

D. °R

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Copper deposits are found in India at the following location:

B. Kolar

C. Khetri

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Hot extrusion of aluminium is done in the temperature range of __________ °C.

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Mild steel has __________ crystal lattice structure.

D. Cubic

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Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

Discuss this answer

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

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Lead is added to 60:40 brass primarily to improve

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

A. 2

B. 8

C. 10

D. 40

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The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A. A

B. D

C. 1/A

D. 1/A²

Discuss this answer

Answer 1

A. (Load)¹

Answer 2

B. (Load)²

Answer 3

C. (Load)³

Answer 4

D. (Load)^0.33

Answer 5

A. Blades of gas turbine

Answer 6

B. Piston of an I. C. engine

Answer 7

C. Flywheel of steam engine

Answer 8

D. Cycle chain

Answer 9

A. Above the highest

Answer 10

B. Above the lowest

Answer 11

C. Between the first & second

Answer 12

D. Between the second & third

Answer 13

A. Fatigue strength

Answer 14

B. Creep strength

Answer 15

C. Resilience

Answer 16

D. Endurance limit

Answer 17

D. Neutral

Answer 18

A. Thinner

Answer 19

C. Drying oil

Answer 20

D. None of these

Answer 21

A. Thermal power

Answer 22

B. Hydroelectric power

Answer 23

C. Nuclear-fusion power

Answer 24

D. Solar power

Answer 25

A. Amorphous

Answer 26

B. Cellular

Answer 27

C. Homogeneous

Answer 28

D. Granular

Answer 29

A. Shock loading

Answer 30

B. Vibration

Answer 31

C. Fatigue

Answer 32

D. Tension

Answer 33

A. Large number of slip systems

Answer 34

B. High work hardening rate

Answer 35

C. Coarse grain size

Answer 36

D. Low stacking fault energy

Answer 37

A. Malleable

Answer 38

B. Ductile

Answer 39

C. Brittle

Answer 40

A. Melts below the melting points of base metals

Answer 41

B. Melts below 300°C

Answer 42

C. Is copper phosphorous alloy

Answer 43

D. Is copper

Answer 44

A. Charcoal

Answer 45

B. Calcium carbide

Answer 46

C. Hydrocarbon oil

Answer 47

D. Graphite

Answer 48

A. Aluminium

Answer 49

D. Nitrogen

Answer 50

A. Silicon

Answer 51

C. Phosphorous

Answer 52

D. Chromium

Answer 53

A. Cutting torch

Answer 54

B. Drilling

Answer 55

C. Punching

Answer 56

D. None of these

Answer 57

A. Chromatography

Answer 58

B. Evaporation

Answer 59

C. Filtration

Answer 60

D. Fractional distillation

Answer 61

A. Electrical energy

Answer 62

B. Chemical energy

Answer 63

C. Energy of high velocity electrons

Answer 64

D. Heat generated by friction

Answer 65

A. Shaft encoder

Answer 66

B. Linear variable differential transducer (LVDT)

Answer 67

C. Stroboscope

Answer 68

D. Tachometer

Answer 69

A. Kudremukh

Answer 70

D. Ramagundam

Answer 71

A. 550-600

Answer 72

B. 450-500

Answer 73

C. 350-400

Answer 74

D. 250-300

Answer 75

A. Face centred cubic (fcc)

Answer 76

B. Body centred cubic (bcc)

Answer 77

C. Orthorhombic

Answer 78

A. Forging

Answer 79

B. Cold rolling

Answer 80

C. Hot rolling

Answer 81

D. Casting

Answer 82

A. Ballast

Answer 83

B. Voltage balancing potentiometric

Answer 84

C. Simple current sensitive

Answer 85

D. None of these

Answer 86

A. Machinability

Answer 87

B. Corrosion resistance

Answer 88

C. Fluidity

Answer 89

D. Strength

The units of the rate constant for a second order reaction are

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The life of a ball bearing is inversely proportional to

Consideration of the creep is the most important in case of the

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Hardening of steel is not possible, unless it is heated __________ critical point.

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

__________ flux is used for the extraction of metal from its self fluxing ores.

While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

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

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

Holes for riveting purposes should be preferably made by

For separating small pieces of metal from engine oil of a car, the best separating technique is the

Thermit welding uses the following energy source.

Angular displacement can be measured suitably by a

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Copper deposits are found in India at the following location:

Hot extrusion of aluminium is done in the temperature range of __________ °C.

Mild steel has __________ crystal lattice structure.

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

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Also checkout

The units of the rate constant for a second order reaction are

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The life of a ball bearing is inversely proportional to

Consideration of the creep is the most important in case of the

The temperature at which the magnetic property of iron disappears (i.e., it becomes non-magnetic) and its electrical conductivity & specific heat also changes, is called the 'Curie point', which is __________ °C.

Hardening of steel is not possible, unless it is heated __________ critical point.

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

__________ flux is used for the extraction of metal from its self fluxing ores.

While the recrystallisation temperature for pure metals is 0.3 Tm, the same for alloys is equal to __________ × Tm (where, Tm Melting temperature).

__________ is a non volatile film forming constituent of a paint.

Which of the following is an unconventional source of energy?

Wood is a/an __________ material.

A material subjected __________ must have high resilience.

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

Steel produced from phosphatic iron is __________ in nature.

Brazing filler metal used for joining steel plates

Carbon supply in pack carburising process is in the form of

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

The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

Holes for riveting purposes should be preferably made by

For separating small pieces of metal from engine oil of a car, the best separating technique is the

Thermit welding uses the following energy source.

Angular displacement can be measured suitably by a

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

Copper deposits are found in India at the following location:

Hot extrusion of aluminium is done in the temperature range of __________ °C.

Mild steel has __________ crystal lattice structure.

Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

__________ circuit is most commonly used to measure strain with the help of a strain gauge.

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What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m2. °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.

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While the recrystallisation temperature for pure metals is 0.3 T_m, the same for alloys is equal to __________ × T_m (where, T_m Melting temperature).

What is the critical radius of insulation (cms) for a metallic cylinder, if the convective heat transfer co-efficient with the ambient atmosphere is 5 W/m². °K? Thermal conductivity of metal and insulation material are 40 and 0.1 W/m.°K respectively.