Work done by a/an __________ process is determined by ∫p. dv

Question

Work done by a/an __________ process is determined by ∫p. dv

A. Adiabatic

B. Quasi-static

C. Isothermal

D. Isentropic

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Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

A. Entropy

B. Pressure

C. Volume

D. Heat

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Corona discharge is related to the operation of a/an

A. Induction motor

B. Electrostatic precipitator

C. Fast breeder reactor

D. Magneto hydrodynamic generator (MHD)

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The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A. T₁/(T₁-T₂)

B. T₂/(T₁-T₂)

C. T₁/T₂

D. T₂/T₁

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A reduction in thermal resistance during heat transfer does not occur in the

A. Convection heat transfer by stirring the fluid and cleaning the heating surface

B. Conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity

C. Radiation heat transfer by increasing the temperature and reducing the emissivity

D. None of these

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Which of the following are considered applications of ultrasonic testing?

A. Determination of elastic constant

B. Detection of defects in metal

C. Measurement of material thickness

D. None of the above

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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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During sensible cooling of air, its wet bulb temperature

A. Decreases but dew point remains constant

B. Increases but dew point remains constant

C. Increases & the dew point decreases

D. Decreases & the dew point increases

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The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

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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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The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

A. 2-5

B. 18-20

C. 12-15

D. 6-12

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Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

A. °C

B. °F

C. °K

D. °R

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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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Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

A. High vacuum

B. Zero pressure

C. 0°K

D. Earth's centre

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Starting friction is low in case of the __________ lubrication.

A. Boundary

B. Hydrodynamic

C. Hydrostatic

D. Mixed/semi-fluid

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On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

A. Creep

B. Toughness

C. Tensile strength

D. Fatigue

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The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

A. A

B. D

C. 1/A

D. 1/A²

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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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Iron content in Indian iron ore is about __________ percent.

A. 80-85

B. 60-65

C. 40-45

D. 20-25

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Secondary hardening in steels arises out of the

A. Precipitation of fine alloy carbides at high temperatures

B. Refinement of ferrite grain size by working

C. Decomposition of retained austenite upon heat treatment

D. Precipitation of complex inter-metallic upon heat treatment

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Which of the following fastening devices has a head at one end and a nut fitted to the other?

A. Bolt

B. Stud

C. Top bolt

D. None of these

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Which one of the following is incombustible?

A. H2

B. CCl4

C. C2H2

D. S

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Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

A. Cold

B. Work

C. Age

D. Induction

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__________ rubber is generally used for making 'O' rings used for vacuum sealings.

A. Natural

B. Neoprene

C. Butadiene

D. Nitrile

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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 concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

A. 4.4

B. 5.6

C. 8.4

D. 2.4

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The life of a ball bearing is inversely proportional to

A. (Load)¹

B. (Load)²

C. (Load)³

D. (Load)^0.33

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One of the methods of purification of leach liquor is ion exchange, which involves

A. Exchange between two liquid phases

B. Exchange between a gaseous phase and a liquid phase

C. Exchange between a liquid phase and an organic resin phase

D. Exchange between a solid phase and a gas phase

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Copper deposits are found in India at the following location:

A. Kudremukh

B. Kolar

C. Khetri

D. Ramagundam

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Which of the following is not an ore of copper?

A. Cryolite

B. Azurite

C. Chalcopyrite

D. Malachite

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Angular displacement can be measured suitably by a

A. Shaft encoder

B. Linear variable differential transducer (LVDT)

C. Stroboscope

D. Tachometer

Discuss this answer

Accepted Answer

B. Quasi-static

Work done by a/an __________ process is determined by ∫p. dv

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Corona discharge is related to the operation of a/an

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A reduction in thermal resistance during heat transfer does not occur in the

Which of the following are considered applications of ultrasonic testing?

Gantt charts are used for streamlining the

During sensible cooling of air, its wet bulb temperature

The lightest non-inflammable gas is

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?

The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

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

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Starting friction is low in case of the __________ lubrication.

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

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

Iron content in Indian iron ore is about __________ percent.

Secondary hardening in steels arises out of the

Which of the following fastening devices has a head at one end and a nut fitted to the other?

Which one of the following is incombustible?

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

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

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

The life of a ball bearing is inversely proportional to

One of the methods of purification of leach liquor is ion exchange, which involves

Copper deposits are found in India at the following location:

Which of the following is not an ore of copper?

Angular displacement can be measured suitably by a

Also checkout

Work done by a/an __________ process is determined by ∫p. dv

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Carnot cycle is also termed as the constant __________ cycle in thermodynamics.

Corona discharge is related to the operation of a/an

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by

A reduction in thermal resistance during heat transfer does not occur in the

Which of the following are considered applications of ultrasonic testing?

Gantt charts are used for streamlining the

During sensible cooling of air, its wet bulb temperature

The lightest non-inflammable gas is

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?

The Al2O3 content of cryolite in Hall- Heroult cell is maintained between __________ percent.

Melting point & boiling points of liquid oxygen are respectively - 218.8°C & - 183°C, while the same for liquid nitrogen is - 210°C & - 195.8°C respectively. The difference in melting points of liquid oxygen & liquid nitrogen is not equal to 8.8

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

Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at

Starting friction is low in case of the __________ lubrication.

On decreasing the grain size of a polycrystalline material, the property most likely to deteriorate is

The pressure drop per unit length for laminar flow of fluid through a long pipe is proportional to (where, A = cross-sectional area of the pipe & D = Diameter of the pipe)

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

Iron content in Indian iron ore is about __________ percent.

Secondary hardening in steels arises out of the

Which of the following fastening devices has a head at one end and a nut fitted to the other?

Which one of the following is incombustible?

Cold working of a material results in increase in hardness, which is termed as the __________ hardening.

__________ rubber is generally used for making 'O' rings used for vacuum sealings.

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

The concentration of (H+) ions is 4 x 10-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)

The life of a ball bearing is inversely proportional to

One of the methods of purification of leach liquor is ion exchange, which involves

Copper deposits are found in India at the following location:

Which of the following is not an ore of copper?

Angular displacement can be measured suitably by a

Also checkout

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

The Al₂O₃ content of cryolite in Hall- Heroult cell is maintained between __________ percent.

The concentration of (H⁺) ions is 4 x 10^-5 in a solution. Then pH of the solution will be (Given log 4 = 0.6)