A dummy activity is used in PERT network to describe the

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A dummy activity is used in PERT network to describe the

A. Precedence relationship

B. Resource idleness

C. Resource restriction

D. Necessary time delay

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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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Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A. 10^-3

B. 10³

C. 10^-15

D. 10¹⁵

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A reduction in thermal resistance during heat transfer does not occur in the

A. Convection heat transfer by stirring the fluid and cleaning the heating surface

B. Conduction heat transfer by reduction in the material thickness and increase in the thermal conductivity

C. Radiation heat transfer by increasing the temperature and reducing the emissivity

D. None of these

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The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

A. Evaporative capacity

B. Evaporation efficiency

C. Thermal efficiency

D. Steam load

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The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

A. 5

B. 15

C. 30

D. 45

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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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Projection welding & stud welding is categorised as the __________ welding.

A. Pressure

B. Thermit

C. Resistance

D. Arc

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The most serious manufacturing defect from fracture toughness point of view is

A. Surface roughness

B. Pores

C. Spherical inclusion

D. Crack

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

A. Stretchability

B. Drawability

C. Bendability

D. None of these

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An atom bomb works on the principle of

A. Nuclear fission

B. Nuclear fusion

C. Both the nuclear fission & fusion

D. Ionisation

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Out of the following, the joint produced by __________ has the lowest strength.

A. Soldering

B. Welding

C. Brazing

D. Riveting

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During sensible cooling of air, its wet bulb temperature

A. Decreases but dew point remains constant

B. Increases but dew point remains constant

C. Increases & the dew point decreases

D. Decreases & the dew point increases

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Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

A. 9 : 1

B. 17 : 1

C. 23 : 1

D. 29 : 1

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Faraday's law of electrolysis is related to the

A. Cation speed

B. Atomic number of the cation

C. Equivalent mass of the electrolyte

D. None of these

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__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

A. Borosilicate

B. High silica

C. Supermax

D. Lead

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Hot extrusion of aluminium is done in the temperature range of __________ °C.

A. 550-600

B. 450-500

C. 350-400

D. 250-300

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Triple point of water is

A. 0°F

B. 492°R

C. 0°K

D. -273°C

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At 100% relative humidity, the dew point temperature of moist air is

A. Less than the wet bulb temperature

B. More than the wet bulb temperature

C. Equal to the wet bulb temperature

D. Equal to the ambient temperature

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Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

A. Pressure & temperature

B. Pressure & specific volume

C. Temperature & specific volume

D. Temperature only

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Hot working of lead is carried out at

A. 75°C

B. 373°K

C. 150°C

D. Room temperature

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Pearlite comprises of

A. 87% cementite & 13% Fe

B. 87% ferrite & 13% cementite

C. 93.33% ferrite & 6.67% C

D. 87% ferrite & 13% C

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Hydrogen in liquid steels is dissolved

A. As tiny gas bubbles

B. In the atomic form

C. In the ionic form

D. In the molecular form

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A pycnometer is used for the measurement of

A. Flow rate of molten metal

B. Specific gravity of a liquid

C. Composition of alloys

D. Concentration of a solution

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Which of the following are considered applications of ultrasonic testing?

A. Determination of elastic constant

B. Detection of defects in metal

C. Measurement of material thickness

D. None of the above

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On being hit with a hammer, __________ will readily fracture.

A. Brass

B. Mild steel

C. Cast iron

D. Lead

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The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

A. 3171P_a

B. 3567P_a

C. 1.01 × 10⁵P_a

D. 5000P_a

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Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

A. 15

B. 25

C. 10

D. 30

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Optical activity is a/an __________ property.

A. Additive

B. Constitutive

C. Both (A) & (B)

D. Neither (A) nor (B)

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In case of simple harmonic motion, displacement is proportional to the

A. Velocity

B. Acceleration

C. Both (A) & (B)

D. Neither (A) nor (B)

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The joint for soldering is supported by binding wire made of

A. Mild steel

B. Copper

C. Soft iron

D. Stainless steel

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Accepted Answer

A. Precedence relationship

A dummy activity is used in PERT network to describe the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A reduction in thermal resistance during heat transfer does not occur in the

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

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

Projection welding & stud welding is categorised as the __________ welding.

The most serious manufacturing defect from fracture toughness point of view is

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

An atom bomb works on the principle of

Out of the following, the joint produced by __________ has the lowest strength.

During sensible cooling of air, its wet bulb temperature

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

Faraday's law of electrolysis is related to the

__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

Hot extrusion of aluminium is done in the temperature range of __________ °C.

Triple point of water is

At 100% relative humidity, the dew point temperature of moist air is

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

Hot working of lead is carried out at

Pearlite comprises of

Hydrogen in liquid steels is dissolved

A pycnometer is used for the measurement of

Which of the following are considered applications of ultrasonic testing?

On being hit with a hammer, __________ will readily fracture.

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.

Optical activity is a/an __________ property.

In case of simple harmonic motion, displacement is proportional to the

The joint for soldering is supported by binding wire made of

Also checkout

A dummy activity is used in PERT network to describe the

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

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

Electrical conductivities of semi-conductors are of the order of __________ ohm/cm.

A reduction in thermal resistance during heat transfer does not occur in the

The amount of water evaporated in kg per kg of fuel burnt in a boiler is called the __________ of a boiler.

The excess air required for the combustion of pulverised coal is of the order of about __________ percent.

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

Projection welding & stud welding is categorised as the __________ welding.

The most serious manufacturing defect from fracture toughness point of view is

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

An atom bomb works on the principle of

Out of the following, the joint produced by __________ has the lowest strength.

During sensible cooling of air, its wet bulb temperature

Air/fuel ratio by weight for combustion of methane with theoretical quantity of air will be about

Faraday's law of electrolysis is related to the

__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.

Hot extrusion of aluminium is done in the temperature range of __________ °C.

Triple point of water is

At 100% relative humidity, the dew point temperature of moist air is

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v2)] (V - b) = RT, depends upon its

Hot working of lead is carried out at

Pearlite comprises of

Hydrogen in liquid steels is dissolved

A pycnometer is used for the measurement of

Which of the following are considered applications of ultrasonic testing?

On being hit with a hammer, __________ will readily fracture.

The fugacity of liquid water at 298 K is approximately 3171 Pa. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m2 .k), when the insulation thickness is __________ mm.

Optical activity is a/an __________ property.

In case of simple harmonic motion, displacement is proportional to the

The joint for soldering is supported by binding wire made of

Also checkout

Internal energy of a gas obeying Van-Der- Waals equation of state, [p + (a/v²)] (V - b) = RT, depends upon its

The fugacity of liquid water at 298 K is approximately 3171 P_a. Considering the ideal heat of vaporisation as 43723 J/gm.mole, its fugacity at 300 K would be

Maximum heat dissipation occurs from a steel wire (k = 0.5 W/m. k) of 15 mm diameter exposed to air (h = 20W/m² .k), when the insulation thickness is __________ mm.