__________ are normally subjected to sub-zero treatment.

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__________ are normally subjected to sub-zero treatment.

A. Highly stressed parts

B. Gauges or precision parts

C. Cold rolled sheets

D. Non machinable materials

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Leakage in a cooking gas cylinder is detected by

A. Radio-isotopes

B. Pouring soap solution on the surface and locating the gas bubbles

C. Halide torch

D. Pungent smell of mercaptans present in the gas

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Water flow in the river during flood can be categorised as the __________ flow.

A. Unsteady uniform

B. Unsteady non-uniform

C. Steady uniform

D. Steady non-uniform

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Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

A. Emissivity of pipe surface

B. Diameter & length of the pipe

C. Temperature of hot pipe surface & that of air in the room

D. None of these

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__________ metal is used as a bearing liner material.

A. Pewter

B. White

C. Babbitt

D. Gun

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A form of stress corrosion failure termed as 'season cracking' is generally observed in

A. Thermosetting polymers

B. High carbon steels

C. Brasses

D. Borosilicate glasses

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Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

A. 10

B. 20

C. 30

D. 40

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Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

A. Lower cost

B. Abundant availability

C. Resistance to vegetable acids as the tin plate are commercially used in 'canning' industry

D. None of these

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Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease

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Cascade control is

A. The continuous adjustment of the set point index of an automatic control loop by a primary (master) controller

B. Used when changes in process conditions cause serious upsets in the controlled variable

C. Useful to control flow from temperature

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

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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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Highest cutting speed is achieved by the __________ tool material.

A. High speed steel

B. Carbide

C. Cast alloy

D. Plain carbon steel

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All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

A. Deuterium

B. Hydrogen

C. Neon

D. Helium

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In a good rimming steel

A. Carbon and silicon should be low

B. Silicon should be low but carbon should be high

C. Both silicon & carbon should be high

D. Silicon should be high but carbon should be low

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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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Lead is poured into the joint between two- __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

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With increase in annealing temperature, the following defect density decreases.

A. Vacancy

B. Dislocation

C. Grain boundary

D. All of these

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Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

A. Radiation

B. Conduction

C. Convection

D. Both (B) & (C)

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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

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Primary designation of steel is based on its

A. Hardness & tensile strength

B. Carbon content

C. Iron content

D. Alloying elements content

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Percentage of argon (by volume) in dry atmospheric air is about

A. 0.09

B. 0.3

C. 0.57

D. 0.94

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Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

A. 1

B. 10

C. 25

D. 50

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Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

A. Admiralty brass

B. Stainless steel

C. Aluminium brass

D. Titanium

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Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

A. Copper

B. Steel

C. Aluminium

D. Brass

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The main constituent of bones is

A. CaF₂

B. Ca₃(PO₄)₂

C. CaCO₃

D. CaCl₂

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In the diving apparatus, helium is used along with oxygen, because it is

A. Easily available

B. Not soluble in blood at high pressure

C. Lighter than nitrogen

D. Completely miscible with oxygen

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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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Oxygen cylinders used for autogenous (cutting/welding) purposes are

A. Seamless & made of steel

B. Heat treated before use

C. Made by sand casting

D. Welded steel cylinders

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Multistage compression of air as compared to single stage compression offers the advantage of

A. Power saving per unit weight of air delivered

B. Moisture elimination in the inter-stage cooler

C. Increased volumetric efficiency

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

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Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas)

A. √T

B. 1/√P

C. √y

D. 1/√ρ

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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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Accepted Answer

B. Gauges or precision parts

__________ are normally subjected to sub-zero treatment.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Leakage in a cooking gas cylinder is detected by

Water flow in the river during flood can be categorised as the __________ flow.

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

__________ metal is used as a bearing liner material.

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Cascade control is

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%?

Highest cutting speed is achieved by the __________ tool material.

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

In a good rimming steel

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)

Lead is poured into the joint between two- __________ pipes.

With increase in annealing temperature, the following defect density decreases.

Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

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

Primary designation of steel is based on its

Percentage of argon (by volume) in dry atmospheric air is about

Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

The main constituent of bones is

In the diving apparatus, helium is used along with oxygen, because it is

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

Oxygen cylinders used for autogenous (cutting/welding) purposes are

Multistage compression of air as compared to single stage compression offers the advantage of

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas)

Desalination of water

Also checkout

__________ are normally subjected to sub-zero treatment.

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Leakage in a cooking gas cylinder is detected by

Water flow in the river during flood can be categorised as the __________ flow.

Which of the following parameters is not responsible for the heat loss from a hot steam carrying bare pipe surface located in a room without fans?

__________ metal is used as a bearing liner material.

A form of stress corrosion failure termed as 'season cracking' is generally observed in

Diameter of the rivet to be provided on a 20 mm. thick boiler plate will be __________ mm.

Though tin occurs lower than iron in the electrochemical series, yet it is coated on steel for corrosion protection, because of its

Latent heat of dry steam at atmospheric pressure is 539 Kcal/kg; which __________ with increase in the pressure of steam.

Cascade control is

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%?

Highest cutting speed is achieved by the __________ tool material.

All the atoms of the world comprise of electrons, proton & neutron except that of __________ atom in which neutron is absent.

In a good rimming steel

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)

Lead is poured into the joint between two- __________ pipes.

With increase in annealing temperature, the following defect density decreases.

Heat transfer by __________ is almost absent in case of fluidised bed drying operation.

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

Primary designation of steel is based on its

Percentage of argon (by volume) in dry atmospheric air is about

Percentage of differential pressure lost in a Venturimeter with a tapering of 15° may be about

Which of the following commonly used condenser tube materials has the lowest thermal conductivity?

Temperature of hot gases flowing in a pipe is measured by a thermocouple inserted in the thermal well. The thermal well made of __________ will facilitate the most accurate measurement of the temperature.

The main constituent of bones is

In the diving apparatus, helium is used along with oxygen, because it is

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

Oxygen cylinders used for autogenous (cutting/welding) purposes are

Multistage compression of air as compared to single stage compression offers the advantage of

Velocity of a gas in sound is not proportional to (where, T = Absolute temperature of the gas. P = Absolute pressure of the gas. y = Ratio of specific heats (Cp/Cv) ρ = specific weight of the gas)

Desalination of water

Also checkout

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)

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