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

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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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__________ has a negative co-efficient of linear expansion.

A. Iron

B. Copper

C. Rubber

D. Nickel

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Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

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Pick out the wrong statement.

A. For a pressure vessel to be classified as 'thin vessel', the ratio of wall thickness to mean radius is less than 0.1

B. For calculating forces and efficiency of riveted joint, either rivet diameter or rivet hole diameter is used in case of pressure vessel and in structural work

C. Longitudinal joint is normally made butt joint to maintain the circularity of the vessel

D. Maximum diameter of the opening provided in a pressure vessel, which does not require any compensation is 200 mm

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Fahrenheit and Centigrade scales have the same readings at

A. -55°

B. -40°

C. -33°

D. -58°

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Fatigue resistance of a material is measured by the

A. Elastic limit

B. Ultimate tensile strength

C. Young's modulus

D. Endurance limit

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The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

A. Water alkalinity & leakage

B. Hydrazine addition during feed water treatment

C. Release of non-condensable gas from water in the boiler

D. Scale formation

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A material being tested for endurance strength is subjected to the __________ load.

A. Impact

B. Completely reversed

C. Dynamic

D. Static & dynamic

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A jig is used while __________ a hole.

A. Boring

B. Counter boring

C. Drilling

D. Enlarging

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Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

A. Film

B. Nucleate

C. Transition

D. All modes of

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Fibre reinforced plastic (FRP) are

A. Made of glass fibre and thermoplastic resins

B. Anisotropic

C. Made of thermosetting resin and glass fibre

D. Both 'b' & 'c'

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For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

A. Temperature - entropy

B. Temperature - pressure

C. Enthalpy - entropy

D. Enthalpy-pressure

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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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Ganister contains maximum percentage of

A. FeO

B. SiO2

C. MgO

D. MnO2

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__________ metal is used as a bearing liner material.

A. Pewter

B. White

C. Babbitt

D. Gun

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Spherical shape of mercury droplets is due to its

A. High viscosity

B. Low surface tension

C. High density

D. High surface tension

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Large scale fire on fuel gas line is normally extinguished by

A. Water

B. Steam

C. Foam

D. Nitrogen

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Pick out the wrong statement.

A. Weldability of high carbon steel is poorer compared to low carbon steel

B. Invar is a magnetic alloy

C. Magnetic permeability of the diamagnetic material is less than one

D. Martenistic transformation never goes to completion (i.e., 100%) at room temperature

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A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

A. Lead

B. Glass

C. Mica

D. Silver

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__________ can replace tungsten in high speed steel.

A. Chromium

B. Vanadium

C. Cobalt

D. Molybdenum

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Increasing the carbon content of steel

A. Reduces the upper shelf energy

B. Increasing the ductility transition temperature

C. Decreases brittleness

D. Decreases hardness

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Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

A. 300

B. 800

C. 1400

D. 2000

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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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Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

A. 90% tungsten carbide and 10% cobalt

B. 70% aluminium oxide & 30% silica

C. 30% nickel, 15% chromium & 55% tungsten

D. 65% tungsten & 35% zirconium

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

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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Which of the following is an unconventional source of energy?

A. Thermal power

B. Hydroelectric power

C. Nuclear-fusion power

D. Solar power

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Galvanic corrosion cannot be prevented by

A. Cathodic protection

B. Anodic protection

C. Usage of largest possible anodic area

D. Any one of these

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The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

A. 159

B. 1837

C. 2537

D. 10000

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One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m^{- 1}. k^-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

A. 100

B. 900

C. 9000

D. 10000

Discuss this answer

Tempering of a material does not improve its

A. Machinability

B. Toughness

C. Internal stress level

D. Softness

Discuss this answer

Accepted Answer

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

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

__________ has a negative co-efficient of linear expansion.

Neutrons are present in all atoms except that of

Pick out the wrong statement.

Fahrenheit and Centigrade scales have the same readings at

Fatigue resistance of a material is measured by the

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

A material being tested for endurance strength is subjected to the __________ load.

A jig is used while __________ a hole.

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

Fibre reinforced plastic (FRP) are

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

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

Ganister contains maximum percentage of

__________ metal is used as a bearing liner material.

Spherical shape of mercury droplets is due to its

Large scale fire on fuel gas line is normally extinguished by

Pick out the wrong statement.

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

__________ can replace tungsten in high speed steel.

Increasing the carbon content of steel

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

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

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

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

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

Which of the following is an unconventional source of energy?

Galvanic corrosion cannot be prevented by

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m^{- 1}. k^-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

Tempering of a material does not improve its

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

__________ has a negative co-efficient of linear expansion.

Neutrons are present in all atoms except that of

Pick out the wrong statement.

Fahrenheit and Centigrade scales have the same readings at

Fatigue resistance of a material is measured by the

The most prominent single cause of corrosion in boiler-tubes, drums, economisers and steam superheaters in a thermal power plant boiler is the

A material being tested for endurance strength is subjected to the __________ load.

A jig is used while __________ a hole.

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

Fibre reinforced plastic (FRP) are

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot?

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

Ganister contains maximum percentage of

__________ metal is used as a bearing liner material.

Spherical shape of mercury droplets is due to its

Large scale fire on fuel gas line is normally extinguished by

Pick out the wrong statement.

A material in which the atoms are arranged regularly in some directions but not in others, is termed as 'mesomorphous material'; an example of which is

__________ can replace tungsten in high speed steel.

Increasing the carbon content of steel

Production of one ton of paper in Indian paper industry consumes about __________ kWh of electricity.

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

Carbide tipped cutting tools are manufactured by powder metallurgy techniques and have a composition of

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

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

Which of the following is an unconventional source of energy?

Galvanic corrosion cannot be prevented by

The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m- 1. k-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is

Tempering of a material does not improve its

Also checkout

One face of a furnace wall is at 1030°C and the other face is exposed to room temperature (30°C). If the thermal conductivity of furnace wall is 3 W. m^{- 1}. k^-1 and the wall thickness is 0.3 m, the maximum heat loss (in W/m) is