In a neutral solution

Question

In a neutral solution

A. H⁺ ions are absent

B. OH^- ions are absent

C. Both H⁺ and OH^- ions are present in very small but equal concentration

D. None of these

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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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The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

A. 100

B. 200

C. 1000

D. 2000

Discuss this answer

__________ property of a material is determined by the Herbert Pendulum device.

A. Hardness

B. Tensile

C. Toughness

D. Compressive

Discuss this answer

Alloys having more than 80% copper are generally more

A. Abrasion resistant

B. Corrosion resistant

C. Prone to season cracking

D. Machinable

Discuss this answer

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

A. Increases the reducing potential of the gas

B. Increases the flame temperature

C. No significant change occurs

D. Increases the hydrogen content in the metal

Discuss this answer

At absolute zero temperature, for any reaction involving condensed phases

A. Δ G° = 0 , Δ H° = 0

B. Δ H° = 0 , Δ S° = 0

C. Δ S° = 0 , Δ E° = 0

D. Δ S° = 0 , Δ Cp° = 0

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Identify the correct statement with reference to the extractive metallurgy of aluminium.

A. The electrolyte consists of molten Na3AlF6 with approximately 1 to 8% Al2O3

B. Approximately 80% of the aluminium deposited on the cathode comes from cryolite

C. Sodium is deposited along with aluminium, but is immediately vaporised

D. Anode effect sets in when the cryolite concentration goes below 40%.

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

A. 746

B. 3000

C. 1000

D. 550

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Which of the following is the most wear resistant grade of carbide used for the cutting tools?

A. Aluminium carbide

B. Tungsten carbide

C. Nickel carbide

D. Iron carbide

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Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

A. Pressure falls below the vapour pressure

B. Pressure becomes very high

C. Temperature becomes low

D. All 'a', 'b' & 'c'

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For preparation of porous bearings by powder metallurgy, preferred particle shape is

A. Spherical

B. Nodular

C. Irregular

D. No preferred shape

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The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

A. Fatigue strength

B. Creep strength

C. Resilience

D. Endurance limit

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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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Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

A. Flanged iron

B. Collar

C. Flexible

D. Expansion

Discuss this answer

Which of the following is the largest quantum of pressure?

A. 1 kg/cm²

B. 1 bar

C. 1 atmosphere

D. 1 kilo Pascal

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Induced draft fans provided in large thermal power plant boilers have __________ blades.

A. Forward curved

B. Backward curved

C. Double curved

D. Radial or straight

Discuss this answer

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

A. Black

B. Silver grey

C. Green

D. Yellow

Discuss this answer

Hydrogen can be

A. Used in I.C. engines as fuel

B. Liquefied & stored under cryogenic conditions

C. Produced by electrolysis of water

D. All (A), (B) & (C)

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__________ joint is mostly used for joining pipes carrying water at low pressure.

A. Nipple

B. Socket

C. Union

D. Bell and spigot

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Diamagnetic materials

A. Are magnetised by eddy currents only

B. Are non-magnetic and cannot be magnetised

C. Are magnetised in direction opposite to the magnetic field

D. Can be magnetised in one direction only

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Pearlite comprises of

A. 87% cementite & 13% Fe

B. 87% ferrite & 13% cementite

C. 93.33% ferrite & 6.67% C

D. 87% ferrite & 13% C

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Non-ferrous alloys used for making cutting tools need not have high

A. Abrasion resistance

B. Toughness

C. Red hardness

D. Cutting speed

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When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

A. Decreases & increases

B. Increases & increases

C. Increases & decreases

D. Decreases & decreases

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Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

A. Aluminium

B. Copper

C. Titanium

D. Stainless steel

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Nickel and __________ are the alloying element added in steel to increase its toughness.

A. Molybdenum

B. Chromium

C. Vanadium

D. Silicon

Discuss this answer

Which of the following is an acidic constituent of B.F. slag?

A.

B. FeO

C. MgO

D. CaO

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

Discuss this answer

__________ has a negative co-efficient of linear expansion.

A. Iron

B. Copper

C. Rubber

D. Nickel

Discuss this answer

Matte smelting is used in the extraction of

A. Lead

B. Zinc

C. Aluminium

D. Copper

Discuss this answer

Accepted Answer

C. Both H⁺ and OH^- ions are present in very small but equal concentration

In a neutral solution

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

__________ property of a material is determined by the Herbert Pendulum device.

Alloys having more than 80% copper are generally more

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

At absolute zero temperature, for any reaction involving condensed phases

Identify the correct statement with reference to the extractive metallurgy of aluminium.

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?

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

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

For preparation of porous bearings by powder metallurgy, preferred particle shape is

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

Which of the following is the largest quantum of pressure?

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Hydrogen can be

__________ joint is mostly used for joining pipes carrying water at low pressure.

Diamagnetic materials

Pearlite comprises of

Non-ferrous alloys used for making cutting tools need not have high

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Nickel and __________ are the alloying element added in steel to increase its toughness.

Which of the following is an acidic constituent of B.F. slag?

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

__________ has a negative co-efficient of linear expansion.

Matte smelting is used in the extraction of

Also checkout

In a neutral solution

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

__________ property of a material is determined by the Herbert Pendulum device.

Alloys having more than 80% copper are generally more

In the blast furnace, incorporation of water vapour in the blast gives the following effect.

At absolute zero temperature, for any reaction involving condensed phases

Identify the correct statement with reference to the extractive metallurgy of aluminium.

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?

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

Which of the following is the most wear resistant grade of carbide used for the cutting tools?

Probability of cavitation occuring becomes very high, when the local __________ resulting in water bubbles formation, which on rupture cause cavitation

For preparation of porous bearings by powder metallurgy, preferred particle shape is

The maximum stress below which a material can withstand an infinite number of cycle of stress, is termed as the

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

Large diameter reinforced cement concrete (RCC) pipes are generally joined by __________ joint.

Which of the following is the largest quantum of pressure?

Induced draft fans provided in large thermal power plant boilers have __________ blades.

Pipelines carrying various utilities in chemical industries are identified by their colour codes. The color of pipeline carrying steam is

Hydrogen can be

__________ joint is mostly used for joining pipes carrying water at low pressure.

Diamagnetic materials

Pearlite comprises of

Non-ferrous alloys used for making cutting tools need not have high

When the wet steam is throttled but still remains wet at the exit of the throttle valve, then its temperature & dryness fraction respectively

Which of the following is the most suitable material of construction for the condenser tubes, where the cooling medium is brine (salty water)?

Nickel and __________ are the alloying element added in steel to increase its toughness.

Which of the following is an acidic constituent of B.F. slag?

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

__________ has a negative co-efficient of linear expansion.

Matte smelting is used in the extraction of

Also checkout

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