In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

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In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

A. Conduction

B. Radiation

C. Natural convection

D. Forced convection

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Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

A. Parallel flow with equal heat capacities

B. Counter flow with equal heat capacities

C. Counter flow with unequal heat capacities

D. Parallel flow with unequal heat capacities

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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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Thermistors are used in __________ devices.

A. Voltage measuring

B. Temperature measuring

C. Temperature compensating

D. Both (B) & (C)

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Satellites burn off during re-entry to earth's atmosphere, because of the

A. Combustion with air

B. Gravitational pull by earth

C. Friction with earth's atmosphere

D. Loss in weight of the satellite

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Gas turbine normally employs a constant __________ cycle.

A. Pressure

B. Temperature

C. Volume

D. None of these

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The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

A. Parabolic

B. Hyperbolic

C. Straight line

D. None of these

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With decrease in the grain size of a material, its creep resistance

A. Increases

B. Decreases

C. Remain constant

D. Either (A) or (B); depends on the material

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Ganister contains maximum percentage of

A. FeO

B. SiO2

C. MgO

D. MnO2

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The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

A. Ability to absorb shock

B. Capacity to store energy

C. Ratio of the wire & coil diameters

D. Load to produce unit deflection

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The specific gravity of coal depends mainly on its __________ content.

A. Carbon

B. Volatile matter

C. Ash

D. Moisture

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

D. 2.3 × 10⁶ J

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Chromium molybdenum steel cannot be welded using __________ welding.

A. Thermit

B. Electrical resistance

C. Oxy-acetylene

D. Any of these

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Particle nature of cathode rays is proved due to the fact that they

A. Travel in a straight line

B. Get deflected by magnetic electric field

C. Produce fluorescence

D. Heat the exposed material

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Glass reacts with

A. H₂SO₃

B. HF

C. HNO₃

D. K₂Cr₂O₇

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Notched bar test is used for testing the __________ of a material.

A. Impact strength

B. Endurance limit

C. Machinability

D. Corrosion resistance

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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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What is the percentage of chromium in 18-4-1 high speed steel?

A. 1

B. 4

C. 18

D. 23

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Which of the following is resistant to the action of both heat & chemicals?

A. Borosilicate glass

B. Silica glass

C. Soda lime glass

D. None of these

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In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

A. Jet of water at high pressure

B. Blast of air

C. Mixture of water and air

D. Rain of molten lead

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The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

A. Tension

B. Shear

C. Compression

D. Bending & tension

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Larger length & diameter water pipes are made by

A. Electrical resistance welding

B. Die casting

C. Semi-centrifugal casting

D. Continuous casting

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Evaporative cooling process employs a combination of cooling and humidification in which the

A. Sensible heat is added

B. Sensible heat is removed and the latent heat is added

C. Latent heat is removed

D. Sensible heat is added and latent heat is removed

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In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

A. Higher, as it gives higher wavelength

B. Lower, as it gives higher wavelength

C. Higher, as it gives shorter wavelength

D. Lower, as it gives shorter wavelength

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Steel balls are manufactured by

A. Sintering

B. Casting

C. Cold heading

D. Spinning

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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

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The main charge in blast furnace is usually

A. Iron ore & coke

B. Iron ore, coke & air

C. Limestone, coke & iron ore

D. Limestone, sand & iron ore

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The swift cup test evaluates the following property of a sheet metal.

A. Stretchability

B. Drawability

C. Bendability

D. None of these

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Propulsion of rocket follows from the

A. Newton's second law of motion

B. Newton's third law of motion

C. Law of projectiles

D. Archimedes principle

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Metal shots used in shot blasting are made of

A. Stellite

B. Steel

C. Bronze

D. Lead

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

A. 15

B. 25

C. 10

D. 30

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Accepted Answer

B. Radiation

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

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

Thermistors are used in __________ devices.

Satellites burn off during re-entry to earth's atmosphere, because of the

Gas turbine normally employs a constant __________ cycle.

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

With decrease in the grain size of a material, its creep resistance

Ganister contains maximum percentage of

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

The specific gravity of coal depends mainly on its __________ content.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Chromium molybdenum steel cannot be welded using __________ welding.

Particle nature of cathode rays is proved due to the fact that they

Glass reacts with

Notched bar test is used for testing the __________ of a material.

The following type of bonding is strongly directional in solids.

What is the percentage of chromium in 18-4-1 high speed steel?

Which of the following is resistant to the action of both heat & chemicals?

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

Larger length & diameter water pipes are made by

Evaporative cooling process employs a combination of cooling and humidification in which the

In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

Steel balls are manufactured by

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

The main charge in blast furnace is usually

The swift cup test evaluates the following property of a sheet metal.

Propulsion of rocket follows from the

Metal shots used in shot blasting are made of

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

Also checkout

In a furnace with heating element temperature at 1700°C, the dominant mechanism of heat transfer will be

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type

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

Thermistors are used in __________ devices.

Satellites burn off during re-entry to earth's atmosphere, because of the

Gas turbine normally employs a constant __________ cycle.

The most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be

With decrease in the grain size of a material, its creep resistance

Ganister contains maximum percentage of

The capacity of a spring to store energy is called the spring form co-efficient. Stiffness of a spring is measured by the

The specific gravity of coal depends mainly on its __________ content.

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

Chromium molybdenum steel cannot be welded using __________ welding.

Particle nature of cathode rays is proved due to the fact that they

Glass reacts with

Notched bar test is used for testing the __________ of a material.

The following type of bonding is strongly directional in solids.

What is the percentage of chromium in 18-4-1 high speed steel?

Which of the following is resistant to the action of both heat & chemicals?

In Imperial Smelting Process for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

The bolt is subjected to __________ when the nut is tightened by putting the washer beneath it.

Larger length & diameter water pipes are made by

Evaporative cooling process employs a combination of cooling and humidification in which the

In the X-ray radiography technique, the tube voltage for thicker plates as compared to thin plates, should be

Steel balls are manufactured by

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

The main charge in blast furnace is usually

The swift cup test evaluates the following property of a sheet metal.

Propulsion of rocket follows from the

Metal shots used in shot blasting are made of

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.