Quartz is a __________ material.

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Quartz is a __________ material.

A. Diamagnetic

B. Ferromagnetic

C. Ferroelectric

D. Piezoelectric

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Which of the following is used to produce draught in the locomotive boilers?

A. Chimney

B. Induced draught fan

C. Forced draught fan

D. Steam jet arrangement

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The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

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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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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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Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

A. 1.5

B. 3

C. 5

D. 7

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Natural water contains approximately __________ percent of heavy water.

A. 0.015

B. 0.71

C. 1.2

D. 3.5

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An abrupt and sudden fall in the reading of barometer is an indication of the

A. Storm

B. Rain

C. Clear weather

D. Cold wave

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Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

A. Gr^0.25, Gr

B. Gr^0.25, Gr^0.33

C. Gr, Gr^0.25

D. Gr^0.33, Gr^0.25

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Tempering of a material does not improve its

A. Machinability

B. Toughness

C. Internal stress level

D. Softness

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Work study deals with the __________ study.

A. Time

B. Motion

C. Both (A) & (B)

D. Neither (A) nor (B)

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The most abundant metal present in the earth's crust is;

A. Iron

B. Copper

C. Titanium

D. Aluminium

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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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Which of the following is not an explosive?

A. TNT

B. CMC

C. RDX

D. Lead azide

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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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Pick out the wrong conversion of absolute & kinematic viscosities.

A. 1 stoke = 1 cm²/sec

B. 1 N.sec/m² = 10 paise

C. 1 stoke = 1 m²/sec

D. 1 m²/sec = 10⁴ stokes

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The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A. Cyaniding

B. Sherardizing

C. Spheroidising

D. None of these

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A spring material should have low

A. Elastic limit

B. Deflection value

C. Fatigue resistance

D. None of these

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Titanium is added to molten aluminium alloys before casting for the purpose of

A. Grain refinement

B. Increasing corrosion resistance

C. Reducing porosity

D. Improving fluidity

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In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

A. Decrease gradually

B. Increase gradually

C. Increase rapidly

D. Remain constant

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Current employed in resistance welding ranges from __________ kVA/.

A. 1.2 to 2.5

B. 4.5 to 6.2

C. 7.5 to 8.5

D. 10.5 to 15.5

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Softening of hardened steel is done by its

A. Normalising

B. Tempering

C. Annealing

D. Carburising

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Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

A. Mach

B. Froude

C. Reynolds

D. Euler

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Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

A. Atoms

B. Neutrons

C. Nucleons

D. Electrons

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__________ has a negative co-efficient of linear expansion.

A. Iron

B. Copper

C. Rubber

D. Nickel

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Addition of silicon to cast iron

A. Promotes graphite module formation

B. Improves its ductility

C. Does not promote graphite flakes formation

D. Increases the fluidity of molten metal

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Which of the following material handling equipments is not suitable for moving materials in varying paths?

A. Hand trolley

B. Belt conveyor

C. Crane

D. Truck

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At the point of boundary layer separation in fluid flow, the

A. Shear stress is maximum

B. Velocity gradient is flat

C. Density variation is maximum

D. Shear stress is zero

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Material of construction of the electrode used in the electric resistance welding is

A. Stainless steel

B. Graphite

C. Copper

D. Steel

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The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

A. Evaporative capacity

B. Evaporation efficiency

C. Thermal efficiency

D. Steam load

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Increase in the entropy of a system represents the

A. Degradation of energy

B. Decrease in system pressure

C. Increase in the availability of energy

D. Increase in the temperature

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Accepted Answer

D. Piezoelectric

Quartz is a __________ material.

Correct Answer :

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Related Questions

Which of the following is used to produce draught in the locomotive boilers?

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

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

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

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

Natural water contains approximately __________ percent of heavy water.

An abrupt and sudden fall in the reading of barometer is an indication of the

Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Tempering of a material does not improve its

Work study deals with the __________ study.

The most abundant metal present in the earth's crust is;

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

Which of the following is not an explosive?

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

Pick out the wrong conversion of absolute & kinematic viscosities.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A spring material should have low

Titanium is added to molten aluminium alloys before casting for the purpose of

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

Current employed in resistance welding ranges from __________ kVA/.

Softening of hardened steel is done by its

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

__________ has a negative co-efficient of linear expansion.

Addition of silicon to cast iron

Which of the following material handling equipments is not suitable for moving materials in varying paths?

At the point of boundary layer separation in fluid flow, the

Material of construction of the electrode used in the electric resistance welding is

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Increase in the entropy of a system represents the

Also checkout

Quartz is a __________ material.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is used to produce draught in the locomotive boilers?

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

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

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

Volume of blast furnace slag is about __________ times the volume of hot metal (pig iron) of the same weight

Natural water contains approximately __________ percent of heavy water.

An abrupt and sudden fall in the reading of barometer is an indication of the

Nusselt number is related to Grashoff number (Gr) in turbulent & laminar flow respectively, in respect of free convection over a vertical flat plate as

Tempering of a material does not improve its

Work study deals with the __________ study.

The most abundant metal present in the earth's crust is;

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

Which of the following is not an explosive?

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

Pick out the wrong conversion of absolute & kinematic viscosities.

The only suitable method for hardening the low carbon steel is case hardening. Which of the following is a case hardening process?

A spring material should have low

Titanium is added to molten aluminium alloys before casting for the purpose of

In a boundary layer developed along the flow, the pressure decreases in the downstream direction. The boundary layer thickness in this case will

Current employed in resistance welding ranges from __________ kVA/.

Softening of hardened steel is done by its

Inertial forces are obtained, when the elastic forces are multiplied by __________ number.

Half life of a radioactive isotope corresponds to the time required for half of the __________ to decay.

__________ has a negative co-efficient of linear expansion.

Addition of silicon to cast iron

Which of the following material handling equipments is not suitable for moving materials in varying paths?

At the point of boundary layer separation in fluid flow, the

Material of construction of the electrode used in the electric resistance welding is

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

Increase in the entropy of a system represents the

Also checkout

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be