While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

Question

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

A. 1800

B. 2000

C. 2400

D. 3000

Correct Answer :

B. 2000

Share this question with your friends

Show all Chemical Engineering Basics MCQ

Comment

Which one is neutral in character?

B. N₂O

Discuss this answer

Which of the following fastening devices has its both ends threaded?

A. Bolt

B. Stud

Discuss this answer

Surface tension of a liquid

Discuss this answer

CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the

Discuss this answer

Increasing sulphur content in pig iron tends to make it

A. Soft

B. Hard

C. Tough

Discuss this answer

__________ test can be termed as the semidestructive test.

A. Impact

D. Charpy

Discuss this answer

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

Discuss this answer

Thermit welding is categorised as the __________ welding.

A. Forge

B. Fusion

D. Arc

Discuss this answer

Iron content in Indian iron ore is about __________ percent.

A. 80-85

B. 60-65

C. 40-45

D. 20-25

Discuss this answer

What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

Discuss this answer

Pearlite comprises of

Discuss this answer

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

A. Steel

C. Water

Discuss this answer

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Discuss this answer

Temperature attained in soldering of metals is about __________ °C.

Discuss this answer

Primary designation of steel is based on its

Discuss this answer

Use of water as a manometric liquid suffers from the disadvantage of its

Discuss this answer

Vernier calipers cannot be used to measure the

Discuss this answer

In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

Discuss this answer

Basicity of the slag in Indian blast furnace is in the range of

Discuss this answer

Faraday's law of electrolysis is related to the

Discuss this answer

Methyl orange indicator turns

Discuss this answer

If Reynolds number is greater than 1, then the

Discuss this answer

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

D. Any

Discuss this answer

__________ fluid force is not considered in the Navier-Stokes equation.

Discuss this answer

Blast furnace slag is mainly molten

A. Sand

Discuss this answer

Speisses is a mixture of the following:

Discuss this answer

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

A. Steel

B. Glass

C. Rubber

D. Brass

Discuss this answer

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

Discuss this answer

Large scale fire on fuel gas line is normally extinguished by

A. Water

B. Steam

C. Foam

Discuss this answer

Stresses encountered in the metal forming processes are less than the __________ of the material.

Discuss this answer

Answer 1

A. N₂O₄

Answer 2

C. N₂O₅

Answer 3

D. N₂O₃

Answer 4

C. Set screw

Answer 5

D. Split nut

Answer 6

A. Is due to intermolecular forces of cohesion

Answer 7

B. Decreases with rise in temperature

Answer 8

C. Is responsible for the spherical shape of an isolated liquid drop

Answer 9

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

Answer 10

A. Specific fuel consumption is very low due to the use of heavy water

Answer 11

B. Fuel cost is much lower than that used in pressurised water or boiling water reactor

Answer 12

C. Heavy water is used both as coolant as well as moderator

Answer 13

D. Both 'b' & 'c'

Answer 14

D. Ductile & malleable

Answer 15

B. Torsion

Answer 16

C. Hardness

Answer 17

C. Resistance

Answer 18

D. None of these

Answer 19

A. 87% cementite & 13% Fe

Answer 20

B. 87% ferrite & 13% cementite

Answer 21

C. 93.33% ferrite & 6.67% C

Answer 22

D. 87% ferrite & 13% C

Answer 23

B. Lignite

Answer 24

D. Lime stone

Answer 25

A. Forward curved

Answer 26

B. Backward curved

Answer 27

C. Double curved

Answer 28

D. Radial or straight

Answer 29

A. 150-300

Answer 30

B. 400-500

Answer 31

C. 650-800

Answer 32

D. 1000-1100

Answer 33

A. Hardness & tensile strength

Answer 34

B. Carbon content

Answer 35

C. Iron content

Answer 36

D. Alloying elements content

Answer 37

A. Low vapour pressure

Answer 38

B. Corrosive nature

Answer 39

C. High vapour pressure

Answer 40

D. High boiling point

Answer 41

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

Answer 42

B. Thickness of parts

Answer 43

C. Depth of holes

Answer 44

D. Clearance between two mating surfaces

Answer 45

A. Range is 15°F

Answer 46

B. Approach is 10°F

Answer 47

C. Both (A) & (B)

Answer 48

D. Neither (A) nor (B)

Answer 49

A. 0.7-1.0

Answer 50

B. 1.1-1.4

Answer 51

C. 1.5 - 1.8

Answer 52

D. 2.0 - 2.5

Answer 53

A. Cation speed

Answer 54

B. Atomic number of the cation

Answer 55

C. Equivalent mass of the electrolyte

Answer 56

D. None of these

Answer 57

A. Orange yellow in alkaline medium

Answer 58

B. Orange yellow in acidic medium

Answer 59

C. Colourless in acidic medium

Answer 60

D. Colourless in basic medium

Answer 61

A. Viscous force is larger than the inertia force

Answer 62

B. Inertia force is larger than the viscous force

Answer 63

C. Inertia force is larger than the surface tension force

Answer 64

D. Inertia force is larger than the gravitational force

Answer 65

A. Horizontal

Answer 66

B. Vertical

Answer 67

C. Inclined

Answer 68

A. Turbulent

Answer 69

B. Viscous

Answer 70

C. Gravity

Answer 71

D. Pressure

Answer 72

B. Magnesium silicate

Answer 73

C. Calcium silicate

Answer 74

D. Iron pyrite

Answer 75

A. Arsenides of heavy metals

Answer 76

B. Antimonides of heavy metals

Answer 77

C. Arsenides & antimonides of heavy metals

Answer 78

D. Iron, cobalt and nickel

Answer 79

A. Pressure falls below the vapour pressure

Answer 80

B. Pressure becomes very high

Answer 81

C. Temperature becomes low

Answer 82

D. All 'a', 'b' & 'c'

Answer 83

D. Nitrogen

Answer 84

A. Fracture strength

Answer 85

B. Yield strength

Answer 86

C. Elastic limit

Answer 87

D. Limit of proportionality

While the oxy-acetylene flame produces a temperature of 3200°C, the temperature produced by oxy-hydrogen flame is about __________ °C.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which one is neutral in character?

Which of the following fastening devices has its both ends threaded?

Surface tension of a liquid

CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the

Increasing sulphur content in pig iron tends to make it

__________ test can be termed as the semidestructive test.

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%?

Thermit welding is categorised as the __________ welding.

Iron content in Indian iron ore is about __________ percent.

What is the value of entropy at 273°K?

Pearlite comprises of

Out of the following substances, one ton of __________ will store the maximum heat for a rise of 30°C in temperature.

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Temperature attained in soldering of metals is about __________ °C.

Primary designation of steel is based on its

Use of water as a manometric liquid suffers from the disadvantage of its

Vernier calipers cannot be used to measure the

In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the

Basicity of the slag in Indian blast furnace is in the range of

Faraday's law of electrolysis is related to the

Methyl orange indicator turns

If Reynolds number is greater than 1, then the

Venturimeter is used to measure the flow rate of fluids in pipes, when the pipe is in __________ position.

__________ fluid force is not considered in the Navier-Stokes equation.

Blast furnace slag is mainly molten

Speisses is a mixture of the following:

A highly elastic material is deformed least on loading and retains its original form on removal of the load. Which of the following is the most elastic material?

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

Large scale fire on fuel gas line is normally extinguished by

Stresses encountered in the metal forming processes are less than the __________ of the material.

Also checkout