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

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

A. 60 - 100

B. 400 - 700

C. 1200 -1500

D. 2000 - 2300

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The unit of gc is

A. lb_m/lb_f. ft/sec²

B. lb_f/lb_m. ft/sec²

C. ft/sec²

D. lb_m/lb_f. sec²/ft

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To counteract the bad effects of strain hardening on a cold formed part, it must be

A. Tempered

B. Normalised

C. Annealed

D. Hardened

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Surface tension of a liquid

A. Is due to intermolecular forces of cohesion

B. Decreases with rise in temperature

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

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

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In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

A.

B.

C.

D.

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Unit of surface tension in S.I. unit is

A. Watt/m

B. Joule/

C. Newton/

D. Joule/m

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Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

A. 0.01 to 0.10

B. 0.2 to 0.4

C. 0.5 to 0.7

D. 0.8 to 1.0

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Factor of safety is the ratio of the __________ stress to the working stress.

A. Tensile

B. Compressive

C. Yield

D. Bearing

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Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

A. Copper

B. Steel

C. Aluminium

D. Brass

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High speed steel tools retain their hardness upto a temperature of __________ °C.

A. 500

B. 750

C. 900

D. 1100

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The order of a chemical reaction

A. Can be determined only experimentally

B. Can be determined from the stoichiometry of the reaction

C. Cannot be zero

D. Can be fractional

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

A. 550-600

B. 450-500

C. 350-400

D. 250-300

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__________ is the most important element, which controls the physical properties of steel.

A. Manganese

B. Silicon

C. Carbon

D. Vanadium

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The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

A. Hard

B. Soft

C. Silicon carbide

D. Aluminium oxide

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With increase in annealing temperature, the following defect density decreases.

A. Vacancy

B. Dislocation

C. Grain boundary

D. All of these

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The dew point of moist air becomes __________ with decrease in its relative humidity.

A. Less than the wet bulb temperature

B. More than the wet bulb temperature

C. More than the dry bulb temperature

D. Equal to wet bulb temperature

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In a neutral solution

A. H⁺ ions are absent

B. OH^- ions are absent

C. Both H⁺ and OH^- ions are present in very small but equal concentration

D. None of these

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Shrinkage allowance on pattern is provided to compensate for shrinkage when the

A. Metal changes from liquid state to solid state at freezing temperature

B. Solid phase temperature drops from freezing temperature to the room temperature

C. Liquid metal temperature drops from pouring temperature to room temperature

D. Liquid metal temperature drops from pouring temperature to freezing temperature

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The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

A. Resilience

B. Toughness

C. Ductility

D. Impact strength

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A material subjected __________ must have high resilience.

A. Shock loading

B. Vibration

C. Fatigue

D. Tension

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Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

A. White

B. Cast

C. Wrought

D. Pig

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All of the following alloying elements of steel increases hardness but sacrifice ductility, except

A. Nickel

B. Vanadium

C. Molybdenum

D. Chromium

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Which of the following metals reacts violently with water?

A. Mercury

B. Sodium

C. Calcium

D. Magnesium

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Pick out the wrong statement.

A. Lead can creep under its own weight at room temperature

B. The electrical conductivity of gold is considerably reduced by alloying additions due to the decrease in electron movement

C. Recrystallisation temperature decreases with decrease in strain in a cold worked metal

D. With increase in temperature, the electrical conductivity of intrinsic semi-conductor will increase

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The following type of bonding is strongly directional in solids.

A. Vander Waal's

B. Ionic

C. Metallic

D. Covalent

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The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

A. Casting

B. Pattern

C. Draft

D. Distortion

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Hot extrusion process is not used for making

A. Cast iron pipe for domestic water supply

B. Aluminium curtain rods

C. Stainless steel tubes used in furnitures

D. Any of these

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Alloy powder manufactured by the following process have spherical shapes.

A. Electrochemical deposition

B. Gaseous reduction

C. Atomisation

D. Mechanical attrition

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Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

A. SiO2

B. Al2O3

C. MnO2

D. P

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

A. Clamping methods

B. Electrodes

C. Current

D. Filler material

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The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

A. 273.15

B. 225.65

C. 100.03

D. 373.15

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Accepted Answer

B. 400 - 700

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The unit of gc is

To counteract the bad effects of strain hardening on a cold formed part, it must be

Surface tension of a liquid

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

Unit of surface tension in S.I. unit is

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

Factor of safety is the ratio of the __________ stress to the working stress.

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

High speed steel tools retain their hardness upto a temperature of __________ °C.

The order of a chemical reaction

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

__________ is the most important element, which controls the physical properties of steel.

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

With increase in annealing temperature, the following defect density decreases.

The dew point of moist air becomes __________ with decrease in its relative humidity.

In a neutral solution

Shrinkage allowance on pattern is provided to compensate for shrinkage when the

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

A material subjected __________ must have high resilience.

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following metals reacts violently with water?

Pick out the wrong statement.

The following type of bonding is strongly directional in solids.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Hot extrusion process is not used for making

Alloy powder manufactured by the following process have spherical shapes.

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

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

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².

Also checkout

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The unit of gc is

To counteract the bad effects of strain hardening on a cold formed part, it must be

Surface tension of a liquid

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

Unit of surface tension in S.I. unit is

Maximum change in the hardness of martensite occurs in the carbon content range of __________ percent in steel.

Factor of safety is the ratio of the __________ stress to the working stress.

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

High speed steel tools retain their hardness upto a temperature of __________ °C.

The order of a chemical reaction

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

__________ is the most important element, which controls the physical properties of steel.

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

With increase in annealing temperature, the following defect density decreases.

The dew point of moist air becomes __________ with decrease in its relative humidity.

In a neutral solution

Shrinkage allowance on pattern is provided to compensate for shrinkage when the

The property of material, by which a given amount of energy is absorbed by it without plastic deformation, is called the

A material subjected __________ must have high resilience.

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

All of the following alloying elements of steel increases hardness but sacrifice ductility, except

Which of the following metals reacts violently with water?

Pick out the wrong statement.

The following type of bonding is strongly directional in solids.

The taper provided on pattern for its easy & clean withdrawal from the mould is termed as the __________ allowance.

Hot extrusion process is not used for making

Alloy powder manufactured by the following process have spherical shapes.

Limestone addition in the blast furnace is done to flux __________ present in the raw materials.

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

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm2.

Also checkout

The critical pressure at which the latent heat of vaporisation of steam becomes zero is __________ Kg/cm².