Lead is poured into the joint between two- __________ pipes.

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Lead is poured into the joint between two- __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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Normalising of a casting does not

A. Induce stresses in it

B. Refine its grain structure

C. Reduce segregation

D. Improve its mechanical properties

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The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

A. Red

B. Extended

C. Super

D. Extreme

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Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

A. 5

B. 1.25

C. 2.5

D. 3.75

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The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

A. Greater than

B. Less than

C. Equal to

D. Unpredictable; depends on the bubble size

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Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

A. 9.5 : 1

B. 12.5 : 1

C. 15.5 : 1

D. 18.5 : 1

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Friction factor for fluid flow in pipe does not depend upon the

A. Pipe length

B. Pipe roughness

C. Fluid density & viscosity

D. Mass flow rate of fluid

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The starting of a car takes time in winter, because the

A. Octane number of fuel is decreased

B. Fuel supply for ignition is not sufficient

C. Vaporisation of the fuel is decreased

D. Pour point of fuel decreases

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Superheating of steam is done at constant

A. Enthalpy

B. Entropy

C. Pressure

D. Volume

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In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

A. 1

B. 1.4

C. 1.5

D. Y = C_p/C_v

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The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

A. Lead

B. Copper

C. Aluminium

D. Wrought iron

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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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Steel balls are manufactured by

A. Sintering

B. Casting

C. Cold heading

D. Spinning

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The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

A. Critical point

B. Curie temperature

C. Inversion temperature

D. Eutectic temperature

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Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

A. Hexagonal close, packed (hcp)

B. Face centred cubic (fcc)

C. Body centred cubic (bcc)

D. Simple cubic

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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 activity of pure hydrogen gas at 1000°C and 5 atm pressure

A. Is always less than 1

B. Is always greater than 1

C. Can be 5

D. Depends on the choice of the standard state

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Which of the following heat treatment processes is usually applied to castings?

A. Tempering

B. Annealing

C. Normalising

D. Carburising

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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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Diffusion co-efficient of a metal in a solid solution depends upon its

A. Composition

B. Temperature

C. Both (A) & (B)

D. Neither (A) nor (B)

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__________ has the highest melting point out of the following.

A. Tungsten

B. Zirconium

C. Molybdenum

D. Tantalum

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Which of the following is an example of stress corrosion?

A. Season cracking of brass

B. Caustic embrittlement of steel

C. Both (A) & (B)

D. Neither (A) nor (B)

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__________ is used as a material of construction for the blade of power saw.

A. Wrought iron

B. Stainless steel

C. Mild steel

D. High speed steel

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Function of gear box is to

A. Reduce the speed

B. Obtain variable speed

C. Increase the speed

D. Produce high torque

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Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 1

D. 1 : 4

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The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease; depends on the altitude where snow melts

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Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

A. Admiralty brass

B. Stainless steel

C. Aluminium brass

D. Titanium

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Compressed dry air is used as the cutting fluid, while machining

A. Steel

B. Cast iron

C. Aluminium

D. None of these

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The main constituent of bones is

A. CaF₂

B. Ca₃(PO₄)₂

C. CaCO₃

D. CaCl₂

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The type of pump used for lifting large quantity of sewage is a __________ pump.

A. Gear

B. Centrifugal

C. Reciprocating

D. Plunger

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The refractory lining of the bottom in a basic electric arc furnace is made of

A. Silica

B. Alumina

C. Magnesia

D. Fireclay

Discuss this answer

Accepted Answer

C. Cast iron

Lead is poured into the joint between two- __________ pipes.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Normalising of a casting does not

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Friction factor for fluid flow in pipe does not depend upon the

The starting of a car takes time in winter, because the

Superheating of steam is done at constant

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

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

Steel balls are manufactured by

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

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.

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

Which of the following heat treatment processes is usually applied to castings?

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

Diffusion co-efficient of a metal in a solid solution depends upon its

__________ has the highest melting point out of the following.

Which of the following is an example of stress corrosion?

__________ is used as a material of construction for the blade of power saw.

Function of gear box is to

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

The atmospheric temperature during melting of ice/snow (in the atmosphere)

Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

Compressed dry air is used as the cutting fluid, while machining

The main constituent of bones is

The type of pump used for lifting large quantity of sewage is a __________ pump.

The refractory lining of the bottom in a basic electric arc furnace is made of

Also checkout

Lead is poured into the joint between two- __________ pipes.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Normalising of a casting does not

The ability of tool steel to resist softening at high temperatures is termed as __________ hardness.

Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

The pressure outside a bubble/droplet of liquid is __________ the internal pressure.

Air/fuel ratio on molar (volume) basis for combustion of methane with theoretical quantity of air with be

Friction factor for fluid flow in pipe does not depend upon the

The starting of a car takes time in winter, because the

Superheating of steam is done at constant

In case of compression of one kg of air, the work done will be the least, when the value of polytropic index 'n' is

The malleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the maximum malleability?

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

Steel balls are manufactured by

The temperature at which ferromagnetic material can no longer be magnetised by the outside forces, is termed as the

Out of the following, the lowest packing of atoms exists in __________ crystal lattice structure.

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.

The activity of pure hydrogen gas at 1000°C and 5 atm pressure

Which of the following heat treatment processes is usually applied to castings?

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

Diffusion co-efficient of a metal in a solid solution depends upon its

__________ has the highest melting point out of the following.

Which of the following is an example of stress corrosion?

__________ is used as a material of construction for the blade of power saw.

Function of gear box is to

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

The atmospheric temperature during melting of ice/snow (in the atmosphere)

Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

Compressed dry air is used as the cutting fluid, while machining

The main constituent of bones is

The type of pump used for lifting large quantity of sewage is a __________ pump.

The refractory lining of the bottom in a basic electric arc furnace is made of

Also checkout

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

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.