Wood is a/an __________ material.

Question

Wood is a/an __________ material.

A. Amorphous

B. Cellular

C. Homogeneous

D. Granular

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Force between the molecules of the same substance is called __________ force.

A. Adhesive

B. Cohesive

C. Molecular

D. Vander Walls

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Blast furnace slag is mainly molten

A. Sand

B. Magnesium silicate

C. Calcium silicate

D. Iron pyrite

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__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

A. Veneering

B. Galvanising

C. Electroplating

D. Calorising

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Glass reacts with

A. H₂SO₃

B. HF

C. HNO₃

D. K₂Cr₂O₇

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Pick out the wrong statement about the machinability of metals. Machinability of a metal

A. Decreases with increase in strain hardening tendencies

B. Decreases with increase in hardness, in general

C. Depend on the composition, microstructure and physical & mechanical properties

D. Decreases with increases in tensile strength & decrease in grain size

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Which of the following materials has the least scrap value?

A. Aluminium

B. Stainless steel

C. Brass

D. Copper

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Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.

A. 0.5

B. 1

C. 1/3

D. 2.5

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. Lumps

B. Pellets

C. Briquettes

D. Sinter

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The surface tension of a liquid, at critical temperature is

A. Indeterminate

B. Zero

C. Infinity

D. Same as that at any other temperature

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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

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Water hammer is caused in steam carrying pipelines, because of

A. Partial condensation of steam

B. Vibration of the pipeline

C. High degree of superheat of steam

D. Its exposure to torrential rain

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If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

A. 2³

B. 2^3/2

C. 2^5/2

D. 2^1/3

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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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A common disinfectant used in village wells for disinfection of water is

A. Free chlorine

B. Bromine

C. Iodine

D. Potassium permanganate

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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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Vernier calipers cannot be used to measure the

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

B. Thickness of parts

C. Depth of holes

D. Clearance between two mating surfaces

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The most serious manufacturing defect from fracture toughness point of view is

A. Surface roughness

B. Pores

C. Spherical inclusion

D. Crack

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What is the value of included angle of a triangular notch for maximum discharge?

A. 30°

B. 60°

C. 90°

D. 120°

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The most suitable material for die casting is

A. Iron

B. Copper

C. Steel

D. Nickel

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Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called

A. Tempering

B. Hardening

C. Annealing

D. Normalising

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Leakage in a cooking gas cylinder is detected by

A. Radio-isotopes

B. Pouring soap solution on the surface and locating the gas bubbles

C. Halide torch

D. Pungent smell of mercaptans present in the gas

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The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic law of oxidation is given by

A.

B.

C.

D.

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The main constituent of bones is

A. CaF₂

B. Ca₃(PO₄)₂

C. CaCO₃

D. CaCl₂

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Gantt charts are used for streamlining the

A. Inventory control

B. Production schedule

C. Sales forecasting

D. Quality control

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For preparation of porous bearings by powder metallurgy, preferred particle shape is

A. Spherical

B. Nodular

C. Irregular

D. No preferred shape

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Triple point of water is

A. 0°F

B. 492°R

C. 0°K

D. -273°C

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

A. Ballast

B. Voltage balancing potentiometric

C. Simple current sensitive

D. None of these

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Alloys having more than 80% copper are generally more

A. Abrasion resistant

B. Corrosion resistant

C. Prone to season cracking

D. Machinable

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Carbon is present in the form of __________ in grey cast iron.

A. Spheroids

B. Nodular aggregates of graphite

C. Flakes

D. Cementite

Discuss this answer

Fine grained steels have

A. High brittleness

B. Higher tendency to distort

C. High ductility

D. None of these

Discuss this answer

Accepted Answer

B. Cellular

Wood is a/an __________ material.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Force between the molecules of the same substance is called __________ force.

Blast furnace slag is mainly molten

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Glass reacts with

Pick out the wrong statement about the machinability of metals. Machinability of a metal

Which of the following materials has the least scrap value?

Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

The surface tension of a liquid, at critical temperature is

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

Water hammer is caused in steam carrying pipelines, because of

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

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

A common disinfectant used in village wells for disinfection of water is

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

Vernier calipers cannot be used to measure the

The most serious manufacturing defect from fracture toughness point of view is

What is the value of included angle of a triangular notch for maximum discharge?

The most suitable material for die casting is

Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called

Leakage in a cooking gas cylinder is detected by

The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic law of oxidation is given by

The main constituent of bones is

Gantt charts are used for streamlining the

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Triple point of water is

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

Alloys having more than 80% copper are generally more

Carbon is present in the form of __________ in grey cast iron.

Fine grained steels have

Also checkout

Wood is a/an __________ material.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Force between the molecules of the same substance is called __________ force.

Blast furnace slag is mainly molten

__________ is the process of coating the surface of steel with aluminium oxide, thereby imparting it increased resistance to corrosion & oxidation upto a temperature of 700°C.

Glass reacts with

Pick out the wrong statement about the machinability of metals. Machinability of a metal

Which of the following materials has the least scrap value?

Theoretical volume of oxygen required for complete combustion of 1Nm3 of acetylene, in oxyacetylene welding is __________ Nm3.

Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

The surface tension of a liquid, at critical temperature is

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

Water hammer is caused in steam carrying pipelines, because of

If the head is doubled in & centrifugal pump, the power required will increase in the ratio of

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

A common disinfectant used in village wells for disinfection of water is

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

Vernier calipers cannot be used to measure the

The most serious manufacturing defect from fracture toughness point of view is

What is the value of included angle of a triangular notch for maximum discharge?

The most suitable material for die casting is

Heating the Hypo-eutectoid steels to 30°C above the upper critical temperature line, soaking at that temperature and then cooling slowly to the room temperature to form a pearlite & ferrite structure is called

Leakage in a cooking gas cylinder is detected by

The thickness of oxide film is y at time t. If are the temperature dependent constants, the parabolic law of oxidation is given by

The main constituent of bones is

Gantt charts are used for streamlining the

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Triple point of water is

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

Alloys having more than 80% copper are generally more

Carbon is present in the form of __________ in grey cast iron.

Fine grained steels have

Also checkout

Theoretical volume of oxygen required for complete combustion of 1Nm³ of acetylene, in oxyacetylene welding is __________ Nm³.