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Question

Pick out the correct statement

A. Jet engine can work, where there is no atmosphere

B. Rocket engines cannot work, where there is no atmosphere

C. Rocket engines carry oxygen required for the combustion in the form of oxidiser

D. Jet engines also carry oxidiser

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Comment

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

A. Waiting

B. Idle

C. Inspection

D. Tool replacement

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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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M10 index of coke indicates its

A. Compressive strength

B. Hardness

C. Abrasion resistance

D. Impact strength

Discuss this answer

The following thermocouple may be used for measuring temperature upto 1873°K.

A. Chromel-alumel

B. Copper-constantan

C. Platinum-platinum rhodium

D. Iron-constantan

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Desalination of water

A. Makes it potable

B. Makes it non-potable

C. Means distillation of water

D. None of these

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The mechanism involved in the removal of metal in drilling operation is by

A. Compression

B. Extrusion

C. Shearing

D. Both 'b' & 'c'

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Rankine cycle comprises of two isothermal and two __________ processes.

A. Isobaric

B. Polytropic

C. Isentropic

D. None of these

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The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

A. 768

B. 1127

C. 1359

D. 1480

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Main constituent of bone ash is

A. Ammonium phosphate

B. Calcium phosphate

C. Animal charcoal

D. Ammonium sulphate

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According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

A. 0.5

B. 2

C. √2

D. √3/2

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If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

A. Critical

B. Breeder

C. Fertile

D. Heterogeneous

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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

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Steels with high carbon equivalent have poor Weldability, because in these steels during welding

A. Carbon and other alloying elements get oxidised from the weld pool

B. Excessive ferrite forms in the heat affected zone leading to poor toughness of the weld

C. Martensite forms in the heat affected zone leading to poor toughness/ductility of the weld

D. Segregation of carbon and other element occurs in the weld pool leading to poor properties of the weld

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Eutectoid composition of carbon steel at room temperature is

A. Cementite

B. Pearlite

C. Martensite

D. Ferrite

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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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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'

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Addition of __________ to steel does not help in improving its machinability.

A. Sulphur

B. Silicon

C. Lead

D. Phosphorous

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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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The product out from a cupola is called

A. Wrought iron

B. Pig iron

C. Cast iron

D. None of these

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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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Machinability of hard alloys and tool steels is improved by

A. Spheroidising

B. Annealing

C. Tempering

D. Normalising

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Encyclopaedia of Chemical Technology has been

A. Authored by Kirk Othmer

B. Edited by Perry and Chilton

C. Edited by Kirk Othmer

D. Authored by Perry and Chilton

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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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Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

A. Wet bulb

B. Dry bulb

C. Saturation

D. Dew point

Discuss this answer

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

A. Butt

B. Lap

C. Welded

D. None of these

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__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

A. Mach

B. Reynolds

C. Froude

D. Weber

Discuss this answer

Electrostatic separation of minerals from each other is based on their differences in the following property.

A. Densities

B. Magnetic permeabilities

C. Electrical conductivities

D. Hardness

Discuss this answer

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

A.

B.

C.

D.

Discuss this answer

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

Discuss this answer

Ferromagnetic materials owe their properties to __________ inner sub-shells.

A. Completely filled

B. Partially filled

C. Equally filled

D. Vacant

Discuss this answer

Accepted Answer

C. Rocket engines carry oxygen required for the combustion in the form of oxidiser

Pick out the correct statement

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

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

M10 index of coke indicates its

The following thermocouple may be used for measuring temperature upto 1873°K.

Desalination of water

The mechanism involved in the removal of metal in drilling operation is by

Rankine cycle comprises of two isothermal and two __________ processes.

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

Main constituent of bone ash is

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

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

Steels with high carbon equivalent have poor Weldability, because in these steels during welding

Eutectoid composition of carbon steel at room temperature is

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

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

Addition of __________ to steel does not help in improving its machinability.

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)

The product out from a cupola is called

Normalising does not __________ of a metal.

Machinability of hard alloys and tool steels is improved by

Encyclopaedia of Chemical Technology has been

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

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Electrostatic separation of minerals from each other is based on their differences in the following property.

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

Diamagnetic materials

Ferromagnetic materials owe their properties to __________ inner sub-shells.

Also checkout

Pick out the correct statement

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

While the bin cards are used in the effective stores management, the queuing theory is associated with the __________ time.

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

M10 index of coke indicates its

The following thermocouple may be used for measuring temperature upto 1873°K.

Desalination of water

The mechanism involved in the removal of metal in drilling operation is by

Rankine cycle comprises of two isothermal and two __________ processes.

The transition temperature at which all the ferromagnetic materials become paramagnetic materials is termed as the 'Curie temperature'. Its value for cobalt is __________ °C.

Main constituent of bone ash is

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to __________ times the yield stress.

If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.

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

Steels with high carbon equivalent have poor Weldability, because in these steels during welding

Eutectoid composition of carbon steel at room temperature is

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

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

Addition of __________ to steel does not help in improving its machinability.

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)

The product out from a cupola is called

Normalising does not __________ of a metal.

Machinability of hard alloys and tool steels is improved by

Encyclopaedia of Chemical Technology has been

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

Minimum temperature upto which water can be theoretically cooled down in the cooling tower by evaporative cooling is equal to the __________ temperature of air.

As per the Indian boiler regulation (IBR), the type of joint preferred for the circumferential joint is the __________ joint.

__________ number determines whether the fluid flow in an open channel is supercritical, critical or sub-critical.

Electrostatic separation of minerals from each other is based on their differences in the following property.

For infinite parallel planes having emissivities ε1 & ε2, the interchange factor for radiation from surface 1 to surface 2 is given by

Diamagnetic materials

Ferromagnetic materials owe their properties to __________ inner sub-shells.

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)