Ammonia gas can be dried by

Question

Ammonia gas can be dried by

A. PCl₅

B. Quick lime

C. CaCl₂

D. Concentrated H₂SO₄

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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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Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

A. White

B. Cast

C. Wrought

D. Pig

Discuss this answer

Thermit welding uses the following energy source.

A. Electrical energy

B. Chemical energy

C. Energy of high velocity electrons

D. Heat generated by friction

Discuss this answer

For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

A. Increases

B. Decreases

C. Remain constant

D. Increases to a maximum before decreasing

Discuss this answer

Thermistors are used in __________ devices.

A. Voltage measuring

B. Temperature measuring

C. Temperature compensating

D. Both (B) & (C)

Discuss this answer

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

A. 5

B. 15

C. 30

D. 45

Discuss this answer

Dies for wire drawing are generally made of

A. Mild steel

B. Stainless steel

C. Carbides

D. High carbon steel

Discuss this answer

Pick out the wrong statement.

A. Both annealing and normalising release the internal stresses of the material besides improving the mechanical properties

B. Low carbon steel does not respond to the heat treatment for hardening of the material, hence it is subjected to case hardening or surface hardening processes like cyaniding, carburising, nitriding etc., which produces high carbon outer layers resulting in increase of surface hardness

C. Induction hardening and flame hardening techniques are also used for surface hardening

D. Martempering of a material is a hardening process

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Out of the following, the alloy which has equal percentage of constituents, is

A. White metal

B. Gun metal

C. Duralumin

D. Constantan

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Lead is poured into the joint between two __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

Discuss this answer

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

A. Pitot tube

B. Hot wire anemometer

C. Rotameter

D. Stroboscope

Discuss this answer

Pick out the wrong statement.

A. Lead can creep under its own weight at room temperature

B. The electrical conductivity of gold is considerably reduced by alloying additions due to the decrease in electron movement

C. Recrystallisation temperature decreases with decrease in strain in a cold worked metal

D. With increase in temperature, the electrical conductivity of intrinsic semi-conductor will increase

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According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

A. 180°

B. 212°

C. 32°

D. 273°

Discuss this answer

Transformer cores are normally made from

A. Soft ferrites

B. High purity iron

C. Grain oriented Fe-Si alloy

D. Al-Ni-Co alloy

Discuss this answer

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

A. A

B. l

C. A2

D. Both 'a' & 'b'

Discuss this answer

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

Discuss this answer

Which of the, following is not associated with the functioning of a petrol engine?

A. Compression ignition system

B. Spark plug

C. Carburettor

D. Otto cycle

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Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

A. p

B. 2 p

C. 0.5 p

D. 0.25 p

Discuss this answer

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

Discuss this answer

Consumable electrodes are used in the __________ welding.

A. Gas

B. Arc

C. Thermit

D. Resistance

Discuss this answer

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

Discuss this answer

Maximum permissible sulphur content in steel is __________ percent.

A. 0.015

B. 0.055

C. 0.505

D. 0.805

Discuss this answer

Thermal efficiency of an internal combustion engine is around __________ percent.

A. 8

B. 35

C. 65

D. 80

Discuss this answer

Which of the following alloying elements is present in maximum percentage in high speed steel?

A. Molybdenum

B. Chromium

C. Tungsten

D. Vanadium

Discuss this answer

__________ can replace tungsten in high speed steel.

A. Chromium

B. Vanadium

C. Cobalt

D. Molybdenum

Discuss this answer

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

Discuss this answer

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

A. 250

B. 500

C. 1000

D. 3000

Discuss this answer

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

Discuss this answer

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

A. Sorbite

B. Bainite

C. Martensite

D. Troostite

Discuss this answer

Sudden fall of atmospheric pressure by a large amount is an indication of the

A. Rain

B. Cold wave

C. Storm

D. Fair weather

Discuss this answer

Accepted Answer

B. Quick lime

Ammonia gas can be dried by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is an example of stress corrosion?

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

Thermit welding uses the following energy source.

For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

Thermistors are used in __________ devices.

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Dies for wire drawing are generally made of

Pick out the wrong statement.

Out of the following, the alloy which has equal percentage of constituents, is

Lead is poured into the joint between two __________ pipes.

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Pick out the wrong statement.

According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

Transformer cores are normally made from

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Normalising does not __________ of a metal.

Which of the, following is not associated with the functioning of a petrol engine?

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

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

Consumable electrodes are used in the __________ welding.

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

Maximum permissible sulphur content in steel is __________ percent.

Thermal efficiency of an internal combustion engine is around __________ percent.

Which of the following alloying elements is present in maximum percentage in high speed steel?

__________ can replace tungsten in high speed steel.

Pick out the wrong conversion of absolute & kinematic viscosities.

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

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)

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Sudden fall of atmospheric pressure by a large amount is an indication of the

Also checkout

Ammonia gas can be dried by

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Which of the following is an example of stress corrosion?

Out of the following __________ iron has the best capability to bear sudden & excessive shocks.

Thermit welding uses the following energy source.

For a spontaneous natural process at constant temperature and pressure, the free energy of the system always

Thermistors are used in __________ devices.

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

Dies for wire drawing are generally made of

Pick out the wrong statement.

Out of the following, the alloy which has equal percentage of constituents, is

Lead is poured into the joint between two __________ pipes.

Speed of a submarine in deep sea & that of an aeroplane is measured by a/an

Pick out the wrong statement.

According to thermodynamic Fahrenheit scale, the fundamental interval between ice point to steam point is

Transformer cores are normally made from

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

Normalising does not __________ of a metal.

Which of the, following is not associated with the functioning of a petrol engine?

Gage pressure within a spherical droplet of a fluid is 'p'. What will be gage pressure within a bubble of the same size & of the same fluid?

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

Consumable electrodes are used in the __________ welding.

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

Maximum permissible sulphur content in steel is __________ percent.

Thermal efficiency of an internal combustion engine is around __________ percent.

Which of the following alloying elements is present in maximum percentage in high speed steel?

__________ can replace tungsten in high speed steel.

Pick out the wrong conversion of absolute & kinematic viscosities.

For a small scale toy factory, the fixed cost per month is Rs. 5000/-. The variable cost per toy is Rs. 20 and sales price is Rs. 30 per toy. The break even production per month will be __________ toys.

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)

Austempering of steel requires it to be heated to 875°C followed by sudden cooling to 250-525°C, thereby changing austenite to

Sudden fall of atmospheric pressure by a large amount is an indication of 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

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)