Cold chisel & hammers are made of

Question

Cold chisel & hammers are made of

A. High speed steel

B. High carbon steel

C. Forged steel

D. Mild steel

Share this question with your friends

Show all Chemical Engineering Basics MCQ

Comment

Damage to metal surface by mechanical action is called

A. Pitting

B. Corrosion

C. Erosion

D. None of these

Discuss this answer

Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton's law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.

A.

B.

C.

D.

Discuss this answer

__________ of austenite decreases the hardenability in steel.

A. Fine grains

B. Coarse grains

C. Homogeneity

D. Dissolved elements (except cobalt)

Discuss this answer

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

A. Supercharging

B. Wall temperature

C. Compression ratio

D. Engine speed

Discuss this answer

Fire in fuel gas pipelines is extinguished most effectively by

A. Spraying water

B. Blanketting the area with nitrogen atmosphere

C. Fire fighting foam

D. None of these

Discuss this answer

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

A. Wetness

B. Mass flow rate

C. Both 'a' & 'b'

D. Neither 'a' nor 'b'

Discuss this answer

Electrometallurgy is not involved in the extraction of __________ from its ore.

A. Aluminium

B. Tin

C. Lead

D. Both (B) & (C)

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

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

Discuss this answer

Batch process is preferred over continuous process, when the

A. Product yields and quality cannot be achieved in continuous process, because of long residence time

B. Sales demand of product is not steady

C. Same equipment cannot be used for several processes of the same nature

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

Discuss this answer

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A. T₁/(T₁-T₂)

B. T₂/(T₁-T₂)

C. T₁/T₂

D. T₂/T₁

Discuss this answer

A jig is used while __________ a hole.

A. Boring

B. Counter boring

C. Drilling

D. Enlarging

Discuss this answer

__________ flux is used for the extraction of metal from its self fluxing ores.

A. No

B. Acid

C. Basic

D. Neutral

Discuss this answer

Lead is poured into the joint between two __________ pipes.

A. Mild steel

B. Concrete

C. Cast iron

D. Asbestos cement

Discuss this answer

Gross national product (GNP) means the total value of __________ in a country.

A. Goods produced

B. Gold reserve

C. Earning of the citizens

D. Taxes paid

Discuss this answer

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

Discuss this answer

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

A. 130

B. 180

C. 230

D. 250

Discuss this answer

Routing in production, planning & control is concerned with the

A. Sequence of operation to be performed

B. Progress of work performed

C. Authorisation of work to be performed

D. Balancing of load on machines

Discuss this answer

Liquor poisoning generally occurs due to the presence of __________ in it.

A. Ethyl alcohol

B. Impurities

C. Methyl alcohol

D. Carbonic acid

Discuss this answer

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

Discuss this answer

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

Discuss this answer

Density in the solid state is slightly less than that in its liquid state, in case of

A. Carbon dioxide

B. Water

C. Mercury

D. None of these

Discuss this answer

Brazing is the joining of metals

A. Without melting the base metal

B. With a non-ferrous filler

C. Both (A) & (B)

D. Neither (A) nor (B)

Discuss this answer

__________ has the highest melting point out of the following.

A. Tungsten

B. Zirconium

C. Molybdenum

D. Tantalum

Discuss this answer

Factor of safety is the ratio of the __________ stress to the working stress.

A. Tensile

B. Compressive

C. Yield

D. Bearing

Discuss this answer

Fibre reinforced plastic (FRP) are

A. Made of glass fibre and thermoplastic resins

B. Anisotropic

C. Made of thermosetting resin and glass fibre

D. Both 'b' & 'c'

Discuss this answer

Which of the following is not an explosive?

A. TNT

B. CMC

C. RDX

D. Lead azide

Discuss this answer

Heat release during phase change is observed in case of a/an

A. Boiler

B. Condenser

C. Evaporator

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

Discuss this answer

One ton of refrigeration is not equivalent to the heat removal rate of

A. 200 BTU/minute

B. 50 kcal/minute

C. 50 kJ/sec

D. 3.5 KW

Discuss this answer

Neutrons are present in all atoms except that of

A. He

B. C

C. H

D. Ar

Discuss this answer

Accepted Answer

B. High carbon steel

Cold chisel & hammers are made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Damage to metal surface by mechanical action is called

Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton's law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.

__________ of austenite decreases the hardenability in steel.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

Fire in fuel gas pipelines is extinguished most effectively by

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

Electrometallurgy is not involved in the extraction of __________ from its ore.

Diamagnetic materials

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

Batch process is preferred over continuous process, when the

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

A jig is used while __________ a hole.

__________ flux is used for the extraction of metal from its self fluxing ores.

Lead is poured into the joint between two __________ pipes.

Gross national product (GNP) means the total value of __________ in a country.

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.

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

Routing in production, planning & control is concerned with the

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Encyclopaedia of Chemical Technology has been

Density in the solid state is slightly less than that in its liquid state, in case of

Brazing is the joining of metals

__________ has the highest melting point out of the following.

Factor of safety is the ratio of the __________ stress to the working stress.

Fibre reinforced plastic (FRP) are

Which of the following is not an explosive?

Heat release during phase change is observed in case of a/an

One ton of refrigeration is not equivalent to the heat removal rate of

Neutrons are present in all atoms except that of

Also checkout

Cold chisel & hammers are made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Damage to metal surface by mechanical action is called

Which of the following represents the correct time-temperature curve when a block of metal is heated above room temperature & then left to cool in the room following Newton's law of cooling in which the rate of temperature drop will go on decreasing with the passage of time.

__________ of austenite decreases the hardenability in steel.

With increase in __________ Knocking tendency in a spark ignition petrol engine decreases.

Fire in fuel gas pipelines is extinguished most effectively by

The effect of friction on the flow of steam through a nozzle is to decrease the __________ of steam.

Electrometallurgy is not involved in the extraction of __________ from its ore.

Diamagnetic materials

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

Batch process is preferred over continuous process, when the

The efficiency of a Carnot heat engine operating between absolute temperatures T1 and T2 (when, T1 > T2) is given by (T1 - T2)/T1. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T1 and T2 is given by

A jig is used while __________ a hole.

__________ flux is used for the extraction of metal from its self fluxing ores.

Lead is poured into the joint between two __________ pipes.

Gross national product (GNP) means the total value of __________ in a country.

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.

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10-16 m2S-1 and it is 1.94 × 10-14 m2S- 1 at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is

Routing in production, planning & control is concerned with the

Liquor poisoning generally occurs due to the presence of __________ in it.

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

Encyclopaedia of Chemical Technology has been

Density in the solid state is slightly less than that in its liquid state, in case of

Brazing is the joining of metals

__________ has the highest melting point out of the following.

Factor of safety is the ratio of the __________ stress to the working stress.

Fibre reinforced plastic (FRP) are

Which of the following is not an explosive?

Heat release during phase change is observed in case of a/an

One ton of refrigeration is not equivalent to the heat removal rate of

Neutrons are present in all atoms except that of

Also checkout

The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (CO.P.) of a Carnot heat pump operating between T₁ and T₂ is given by

The diffusion co-efficient of Ni in Cu at 1000 K is 1.93 × 10^-16 m²S^-1 and it is 1.94 × 10^-14 m²S^{- 1} at 1200 K. The activation energy (in k. J.mole-1) for the diffusion of Ni in Cu is