With increase in steam pressure, its specific volume decreases

Question

With increase in steam pressure, its specific volume decreases

A. Rapidly first and then slowly

B. Linearly

C. Slowly first and then rapidly

D. Exponentially

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The value of for air & most common gases can be safely assumed to be

A. 0.8

B. 1

C. 1.4

D. 1.8

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Normalising does not __________ of a metal.

A. Improve machinability & tensile strength

B. Remove internal stresses

C. Refine the structure

D. Remove strains caused by cold working

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

A. Adiabatic

B. Quasi-static

C. Isothermal

D. Isentropic

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The unit of gc is

A. lb_m/lb_f. ft/sec²

B. lb_f/lb_m. ft/sec²

C. ft/sec²

D. lb_m/lb_f. sec²/ft

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Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

A. 746

B. 3000

C. 1000

D. 550

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__________ iron is produced by the annealing of white cast iron.

A. Malleable

B. Nodular

C. Ductile

D. Grey

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Lead is poured into the joints between two __________ pipes.

A. Cast iron

B. Steel

C. Concrete

D. Plastic

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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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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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Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

A. 9,100

B. 13,000

C. 7,000

D. 2,550

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Removal of non-condensable from steam or other vapour is termed as the __________ process.

A. Condensation

B. Deaeration

C. Scavenging

D. Exhaust

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__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

A. Collar

B. Flanged

C. Bell and Spigot

D. Expansion

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Brittleness induced due to the presence of sulphur in steel can be reduced by adding

A. Manganese

B. Magnesium

C. Vanadium

D. Copper

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Consumable electrodes are used in the __________ welding.

A. Gas

B. Arc

C. Thermit

D. Resistance

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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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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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Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

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Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

A. Only

B. Plus variable cost

C. Plus overhead cost

D. Plus selling expenses

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The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

A. 0

B. 100

C. 50

D. None of these

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Water-tube boiler is the one, in which

A. Water passes through tubes and flue gases around it

B. Tube carrying hot flue gases are immersed in a pool of water

C. Tubes are placed in vertical position

D. None of these

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For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

A. Reynolds number (based on sphere diameter) should be < 1

B. Flow around the sphere should be in turbulent region

C. Sphere must be metallic

D. Fluid density should be constant

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The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

A. 2300 J

B. 4600 J

C. 230 J

D. 2.3 × 10⁶ J

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Basic open hearth furnace (BOF) is not used for producing __________ steel.

A. Killed

B. Rimming

C. High alloy

D. None of these

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__________ is the hardest material out of the following.

A. Boron carbide

B. Tungsten carbide

C. Hardened steel

D. Silicon carbide

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Which of the following does not discharge the dust collected as a dry solid?

A. Electrostatic precipitator

B. Wet scrubber

C. Bag filter

D. Gravity settling chamber

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The refrigerant freon-12 is chemically

A. CCl₂F₂

B. CCl₃F

C. CClF₃

D. CCl₄F

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Stellite is a __________ material.

A. Ferrous

B. Ceramic

C. Cemented carbide

D. Non-ferrous cast alloy cutting tool

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The best lubricants for a machine working at high temperature & load is

A. Grease

B. Solid lubricant

C. Animal oils

D. Mineral oils

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Which of the following metals cannot be hot worked at room temperature?

A. Zinc

B. Nickel

C. Lead

D. Tin

Discuss this answer

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

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Accepted Answer

A. Rapidly first and then slowly

With increase in steam pressure, its specific volume decreases

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The value of for air & most common gases can be safely assumed to be

Normalising does not __________ of a metal.

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

The unit of gc is

Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

__________ iron is produced by the annealing of white cast iron.

Lead is poured into the joints between two __________ pipes.

Alloys having more than 80% copper are generally more

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)

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

Removal of non-condensable from steam or other vapour is termed as the __________ process.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

Consumable electrodes are used in the __________ welding.

Fatigue resistance of a material is measured by the

Which of the following is an example of stress corrosion?

Steel & cast iron pipes are produced by __________ casting.

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Water-tube boiler is the one, in which

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)

Basic open hearth furnace (BOF) is not used for producing __________ steel.

__________ is the hardest material out of the following.

Which of the following does not discharge the dust collected as a dry solid?

The refrigerant freon-12 is chemically

Stellite is a __________ material.

The best lubricants for a machine working at high temperature & load is

Which of the following metals cannot be hot worked at room temperature?

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

Also checkout

With increase in steam pressure, its specific volume decreases

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The value of for air & most common gases can be safely assumed to be

Normalising does not __________ of a metal.

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

The unit of gc is

Thermal equivalent of electrical power in practical calculation is __________ kcal/kWh.

__________ iron is produced by the annealing of white cast iron.

Lead is poured into the joints between two __________ pipes.

Alloys having more than 80% copper are generally more

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)

Reynolds number of a fluid flowing in a circular pipe is 10,000. What will be the Reynolds number when the fluid velocity is decreased by 30% & the pipe diameter is increased by 30%?

Removal of non-condensable from steam or other vapour is termed as the __________ process.

__________ joint is usually used for joining cast iron pipes mostly used for temporary pipelines, where it may be necessary to dismantle & reassemble the pipeline very frequently.

Brittleness induced due to the presence of sulphur in steel can be reduced by adding

Consumable electrodes are used in the __________ welding.

Fatigue resistance of a material is measured by the

Which of the following is an example of stress corrosion?

Steel & cast iron pipes are produced by __________ casting.

Breakeven point represents the condition, when the company runs under no profit no loss condition. In break even analysis, total cost comprises of fixed cost

The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.

Water-tube boiler is the one, in which

For the Stoke's law to be valid in the case of a falling sphere in a fluid, the

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : Cp of copper is 23 J K-1mole-1)

Basic open hearth furnace (BOF) is not used for producing __________ steel.

__________ is the hardest material out of the following.

Which of the following does not discharge the dust collected as a dry solid?

The refrigerant freon-12 is chemically

Stellite is a __________ material.

The best lubricants for a machine working at high temperature & load is

Which of the following metals cannot be hot worked at room temperature?

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

Also checkout

The heat released by cooling one mole of copper from 400 K to room temperature (300 K) is (assume : C_p of copper is 23 J K^-1mole^-1)