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

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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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Moist climate is the most favourable factor in the site selection far a

A. Steel plant

B. Textile factory

C. Petroleum refinery

D. Coke oven battery

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In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

A. μ , α and θ all have units of m/s

B. μ , α and θ all have units of m2/s

C. α and θ have units of m2/s, while μ has unit of m/s

D. α and θ have units of m/s, while μ has unit of m2/s

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Steel produced from phosphatic iron is __________ in nature.

A. Malleable

B. Ductile

C. Brittle

D. Tough

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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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In extrusion of metals, which of the following statement is true?

A. Speed of the extruded material is same as that of ram speed

B. Redundant work is a function of the die angle

C. Relative motion between the billet surface and the container wall is always present

D. Hollow ram is used for indirect extrusion

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Pick out the wrong statement about the machinability of metals. Machinability of a metal

A. Decreases with increase in strain hardening tendencies

B. Decreases with increase in hardness, in general

C. Depend on the composition, microstructure and physical & mechanical properties

D. Decreases with increases in tensile strength & decrease in grain size

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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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__________ is not used as a material of construction in thermocouples.

A. Alumel

B. Rhodium

C. Constantan

D. Duralumin

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Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

A. Anodising

B. Tempering

C. Carburising

D. Annealing

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Which of the following fastening devices has a head at one end and a nut fitted to the other?

A. Bolt

B. Stud

C. Top bolt

D. None of these

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

A. Hardness

B. Tensile

C. Toughness

D. Compressive

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A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

A. Independent of

B. Inversely proportional to

C. Directly proportional to

D. None of these

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A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

A. -0.8

B. 0.8

C. +0.08

D. -0.24

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Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

A. A, C, B, D

B. D, B, C, A

C. D, C, B, A

D. D, A, B, C

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Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

A. Enthalpy

B. Relative humidity

C. Wet bulb temperature

D. Dew point temperature

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Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

A. High speed steel

B. Stainless steel

C. Tungsten carbide

D. Superalloys

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As the fluid flow rate increases, the float of the Rotameter

A. Rises in the tube

B. Rotates at higher speed

C. Rotates at lower speed

D. Drops down in the tube

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Which of the following materials has the maximum shrinkage allowance?

A. Brass

B. Cast iron

C. Lead

D. Aluminium alloy

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The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the

A. Work hardening

B. Bauschinger effect

C. Creeping effect

D. Stress recovery effect

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__________ furnace is generally used in the non-ferrous foundries.

A. Direct arc

B. Indirect arc

C. Resistance

D. Induction

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The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

A. More

B. Equal

C. Less

D. Double

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Cassiterite is an ore of

A. Tin

B. Lead

C. Molybdenum

D. Chromium

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Which of the following rays has the least wavelength?

A. Ultraviolet rays

B. Infrared rays

C. Cosmic rays

D. X-rays

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Dryness fraction of dry steam is

A. 0

B. ∞

C. 1

D. 0.5

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Enzymes belong to the category of

A. Proteins

B. Carbohydrates

C. Vitamins

D. Fats

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An alloy of Fe - 0.4 % C is

A. Cast iron

B. Hypo-eutectoid steel

C. Hyper-eutectoid steel

D. Eutectoid steel

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The units of the rate constant for a second order reaction are

A.

B.

C.

D.

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An abrupt and sudden fall in the reading of barometer is an indication of the

A. Storm

B. Rain

C. Clear weather

D. Cold wave

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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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Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

A. V/A

B. V/A²

C. V²/A

D. V²/A²

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Accepted Answer

D. Constantan

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

Correct Answer :

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Related Questions

Moist climate is the most favourable factor in the site selection far a

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

Steel produced from phosphatic iron is __________ in nature.

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

In extrusion of metals, which of the following statement is true?

Pick out the wrong statement about the machinability of metals. Machinability of a metal

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

__________ is not used as a material of construction in thermocouples.

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

Which of the following fastening devices has a head at one end and a nut fitted to the other?

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

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.
A. Induced draft fan
B. Economiser
C. Air preheater
D. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?

As the fluid flow rate increases, the float of the Rotameter

Which of the following materials has the maximum shrinkage allowance?

The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the

__________ furnace is generally used in the non-ferrous foundries.

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

Cassiterite is an ore of

Which of the following rays has the least wavelength?

Dryness fraction of dry steam is

Enzymes belong to the category of

An alloy of Fe - 0.4 % C is

The units of the rate constant for a second order reaction are

An abrupt and sudden fall in the reading of barometer is an indication of the

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

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Also checkout

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

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Moist climate is the most favourable factor in the site selection far a

In fluid flow, and heat and mass transfer, one encounters (i) kinematic velocity (μ), (ii) molecular diffusivity (θ) and thermal diffusivity (α). The units of these quantities are.

Steel produced from phosphatic iron is __________ in nature.

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

In extrusion of metals, which of the following statement is true?

Pick out the wrong statement about the machinability of metals. Machinability of a metal

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

__________ is not used as a material of construction in thermocouples.

Which of the following processes follows the hardening process for reducing the hardening strains & increasing the toughness of the steel part?

Which of the following fastening devices has a head at one end and a nut fitted to the other?

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

A fluid is termed as the Newtonian fluid, when the shear stress is __________ the velocity gradient.

A metal having a Poisson's ratio = 0.3 is elastically deformed under uniaxial tension. If the longitudinal strain = 0.8, then the magnitude of thickness strain is

Flue gases pass through the following boiler accessories in a high pressure natural circulation boiler.A. Induced draft fanB. EconomiserC. Air preheaterD. Steam superheater Which of the following gives the correct sequence of flow of the flue gases through the above mentioned boiler accessories?

Moist air is cooled along the line of constant __________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs?

Which of the following has the highest modulus of elasticity (about 7 × 106 kg/cm2)?

As the fluid flow rate increases, the float of the Rotameter

Which of the following materials has the maximum shrinkage allowance?

The behaviour of a metal specimen, which when plastically strained in tension reduces its yield stress in compression and vice versa; is termed as the

__________ furnace is generally used in the non-ferrous foundries.

The elastic strain energy of a unit length of an edge dislocation as compared to that of a screw dislocation is

Cassiterite is an ore of

Which of the following rays has the least wavelength?

Dryness fraction of dry steam is

Enzymes belong to the category of

An alloy of Fe - 0.4 % C is

The units of the rate constant for a second order reaction are

An abrupt and sudden fall in the reading of barometer is an indication of the

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

Solidification time of a molten metal in a casting is proportional to (where, V = volume of metal & A = its surface area; in the casting)

Also checkout

Which of the following has the highest modulus of elasticity (about 7 × 10⁶ kg/cm²)?