Drills are usually made of

Question

Drills are usually made of

A. Cermets

B. High speed steel

C. Alloy steel

D. Tungsten carbide

Share this question with your friends

Show all Chemical Engineering Basics MCQ

Comment

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

A. Immobility of dislocation

B. Strain-ageing

C. Increase in Young's modulus

D. Strain hardening

Discuss this answer

Rankine cycle comprises of two isothermal and two __________ processes.

A. Isobaric

B. Polytropic

C. Isentropic

D. None of these

Discuss this answer

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

Discuss this answer

Steel & cast iron pipes are produced by __________ casting.

A. Slush

B. Die

C. Investment

D. True centrifugal

Discuss this answer

Pick out the correct combination about the role of various additives used in polymers.

A. Plasticiser: increases the polymer strength

B. Heat stabiliser: increases the maximum service temperature

C. Fillers: Does not affect the property of polymer but increases its weight

D. Lubricants: increases the flexibility of polymers

Discuss this answer

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

A. Dew point

B. Dry bulb

C. Wet bulb

D. None of these

Discuss this answer

Fibre glass is a composite material of

A. Glass fibre in a polymer matrix

B. Glass fibre in a metallic matrix

C. Polymer fibre in a glassy matrix

D. Both 'b' & 'c'

Discuss this answer

Which of the following materials has the least scrap value?

A. Aluminium

B. Stainless steel

C. Brass

D. Copper

Discuss this answer

The swift cup test evaluates the following property of a sheet metal.

A. Stretchability

B. Drawability

C. Bendability

D. None of these

Discuss this answer

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

Matte smelting is used in the extraction of

A. Lead

B. Zinc

C. Aluminium

D. Copper

Discuss this answer

Potable water means the water used for

A. Fire-fighting

B. Cooling

C. Drinking

D. Evaporation to produce steam

Discuss this answer

The atmospheric temperature during melting of ice/snow (in the atmosphere)

A. Decreases

B. Increases

C. Remain same

D. May increase or decrease; depends on the altitude where snow melts

Discuss this answer

In the acid Bessemer process, the hot metal should have the following composition.

A. S < 0.05% and P < 0.05%

B. S < 0.05% and P < 1.5%

C. S < 0.05% and P > 1.5%

D. S > 1.5% and P < 0.05%

Discuss this answer

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

A.

B.

C.

D.

Discuss this answer

If Reynolds number is greater than 1, then the

A. Viscous force is larger than the inertia force

B. Inertia force is larger than the viscous force

C. Inertia force is larger than the surface tension force

D. Inertia force is larger than the gravitational force

Discuss this answer

Starting friction is low in case of the __________ lubrication.

A. Boundary

B. Hydrodynamic

C. Hydrostatic

D. Mixed/semi-fluid

Discuss this answer

Which one can be directly solidified from gaseous state without entering into liquid state?

A. Helium

B. Oxygen

C. Carbon dioxide

D. None of these

Discuss this answer

Most important property of steels for use in automobile bodies is the

A. Formability

B. Yield strength

C. Toughness

D. Resilience

Discuss this answer

Babbitt lining is used on brass/bronze bearings to increase the

A. Antifriction properties

B. Compressive strength

C. Bearing resistance

D. Wear resistance

Discuss this answer

__________ joint is mostly used for joining pipes carrying water at low pressure.

A. Nipple

B. Socket

C. Union

D. Bell and spigot

Discuss this answer

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

A. Propane and acetylene

B. Propane and LPG

C. Sewage gas and gobar gas

D. B.F gas and coke oven gas

Discuss this answer

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

Discuss this answer

Air standard Otto cycle is more efficient than the diesel cycle for the same

A. Heat addition & compression ratio

B. Heat addition & pressure

C. Compression ratio & pressure

D. Cylinder dimension & rpm

Discuss this answer

Cold chisel & hammers are made of

A. High speed steel

B. High carbon steel

C. Forged steel

D. Mild steel

Discuss this answer

One of the methods of purification of leach liquor is ion exchange, which involves

A. Exchange between two liquid phases

B. Exchange between a gaseous phase and a liquid phase

C. Exchange between a liquid phase and an organic resin phase

D. Exchange between a solid phase and a gas phase

Discuss this answer

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

A. x^1.5

B. x^0.8

C. x^-1.5

D. x^-0.8

Discuss this answer

Exposure to __________ accelerates the degradation of plastics.

A. Ultraviolet radiation

B. High atmospheric temperature

C. High ambient temperature

D. Damp atmosphere

Discuss this answer

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

A. Film

B. Nucleate

C. Transition

D. All modes of

Discuss this answer

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

Discuss this answer

Accepted Answer

B. High speed steel

Drills are usually made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

Rankine cycle comprises of two isothermal and two __________ processes.

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.

Steel & cast iron pipes are produced by __________ casting.

Pick out the correct combination about the role of various additives used in polymers.

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

Fibre glass is a composite material of

Which of the following materials has the least scrap value?

The swift cup test evaluates the following property of a sheet metal.

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

Matte smelting is used in the extraction of

Potable water means the water used for

The atmospheric temperature during melting of ice/snow (in the atmosphere)

In the acid Bessemer process, the hot metal should have the following composition.

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

If Reynolds number is greater than 1, then the

Starting friction is low in case of the __________ lubrication.

Which one can be directly solidified from gaseous state without entering into liquid state?

Most important property of steels for use in automobile bodies is the

Babbitt lining is used on brass/bronze bearings to increase the

__________ joint is mostly used for joining pipes carrying water at low pressure.

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

Air standard Otto cycle is more efficient than the diesel cycle for the same

Cold chisel & hammers are made of

One of the methods of purification of leach liquor is ion exchange, which involves

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

Exposure to __________ accelerates the degradation of plastics.

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

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

Drills are usually made of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Between 230 and 370°C, blue brittleness is caused in mild steel because of the

Rankine cycle comprises of two isothermal and two __________ processes.

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.

Steel & cast iron pipes are produced by __________ casting.

Pick out the correct combination about the role of various additives used in polymers.

__________ temperature remains constant during adiabatic saturation process of unsaturated air.

Fibre glass is a composite material of

Which of the following materials has the least scrap value?

The swift cup test evaluates the following property of a sheet metal.

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

Matte smelting is used in the extraction of

Potable water means the water used for

The atmospheric temperature during melting of ice/snow (in the atmosphere)

In the acid Bessemer process, the hot metal should have the following composition.

In Newton's law of viscosity, which states that the shear stress is proportional to the __________ Co-efficient of viscosity is called dynamic or absolute viscosity(where, V = velocity, = velocity gradient).

If Reynolds number is greater than 1, then the

Starting friction is low in case of the __________ lubrication.

Which one can be directly solidified from gaseous state without entering into liquid state?

Most important property of steels for use in automobile bodies is the

Babbitt lining is used on brass/bronze bearings to increase the

__________ joint is mostly used for joining pipes carrying water at low pressure.

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm3) while the C.V. is same on weight basis (i.e., kcal/kg)?

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

Air standard Otto cycle is more efficient than the diesel cycle for the same

Cold chisel & hammers are made of

One of the methods of purification of leach liquor is ion exchange, which involves

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)

Exposure to __________ accelerates the degradation of plastics.

Even though heat transfer co-efficient in boiling liquids is large, use of fins is advantageous, when the entire surface is exposed to __________ boiling.

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

For which pair of the fuel gases, calorific value (C.V.) of one fuel is almost double that of the other on volume basis (i.e., kcal/Nm³) while the C.V. is same on weight basis (i.e., kcal/kg)?

The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x^0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge)