Material of construction of the electrode used in the electric resistance welding is

Question

Material of construction of the electrode used in the electric resistance welding is

C. Copper

D. Steel

Correct Answer :

C. Copper

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The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

A. Hard

B. Soft

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

Discuss this answer

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

Discuss this answer

A dummy activity is used in PERT network to describe the

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What is the value of entropy at 273°K?

A. 0

B. 1

C. ∞

Discuss this answer

Tumbling is the process of improving the __________ of the materials/parts.

Discuss this answer

Force between the molecules of the same substance is called __________ force.

Discuss this answer

Methyl orange indicator turns

Discuss this answer

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

Discuss this answer

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

A. Two

B. Four

C. Six

D. Eight

Discuss this answer

Large scale fire on fuel gas line is normally extinguished by

A. Water

B. Steam

C. Foam

Discuss this answer

Working of linear variable differential transducer (LVDT) is based on the principle of variable

Discuss this answer

The co-ordination number in simple cubic structure is

A. 4

B. 6

C. 8

D. 12

Discuss this answer

The hardenability of steel decreases with

Discuss this answer

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

A. Storm

B. Rain

Discuss this answer

The lightest non-inflammable gas is

A. H2

B. He

C. Ar

D. O2

Discuss this answer

Powder metallurgy is used to produce

Discuss this answer

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

A. More

B. Less

C. Equal

Discuss this answer

Which of the following is resistant to the action of both heat & chemicals?

Discuss this answer

A material being tested for endurance strength is subjected to the __________ load.

A. Impact

Discuss this answer

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

Discuss this answer

The 'laughing gas' is

Discuss this answer

The surface tension of a liquid, at critical temperature is

B. Zero

Discuss this answer

Wavelength of radiation emitted by a body depends on the __________ of its surface.

B. Area

C. Nature

Discuss this answer

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

A. 100

B. 200

C. 1000

D. 2000

Discuss this answer

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

A. +4000

B. -4000

C. 10000

D. -10000

Discuss this answer

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

A.

B.

C.

D.

Discuss this answer

Silicon percentage in acid resistant cast iron is about

A. 4

B. 8

C. 14

D. 20

Discuss this answer

Upto the critical radius of insulation, added insulation, will

Discuss this answer

The most important requirement for aluminium industry is the availability of cheap

A. Ore

C. Labour

Discuss this answer

Answer 1

A. Stainless steel

Answer 2

B. Graphite

Answer 3

C. Silicon carbide

Answer 4

D. Aluminium oxide

Answer 5

A. High speed steel

Answer 6

B. Stainless steel

Answer 7

C. Tungsten carbide

Answer 8

D. Superalloys

Answer 9

A. Precedence relationship

Answer 10

B. Resource idleness

Answer 11

C. Resource restriction

Answer 12

D. Necessary time delay

Answer 13

D. None of these

Answer 14

A. Surface finish

Answer 15

B. Fatigue limit

Answer 16

C. Creep limit

Answer 17

D. Surface cleanliness

Answer 18

A. Adhesive

Answer 19

B. Cohesive

Answer 20

C. Molecular

Answer 21

D. Vander Walls

Answer 22

A. Orange yellow in alkaline medium

Answer 23

B. Orange yellow in acidic medium

Answer 24

C. Colourless in acidic medium

Answer 25

D. Colourless in basic medium

Answer 26

A. Frequency

Answer 27

B. Amplitude

Answer 28

C. Damping

Answer 29

D. None of these

Answer 30

D. Nitrogen

Answer 31

A. Capacitance

Answer 32

B. Resistance

Answer 33

C. Mutual inductance

Answer 34

D. None of these

Answer 35

A. Decrease in dislocation density

Answer 36

B. Increase in solutionising temperature

Answer 37

C. Increase in strength

Answer 38

D. Decrease in grain size

Answer 39

C. Clear weather

Answer 40

D. Cold wave

Answer 41

A. High precision components with complex cavities and sharp features

Answer 42

B. Components of large size

Answer 43

C. Porosity free components

Answer 44

D. Components of such alloys whose constituents do not form alloys readily

Answer 45

D. Much more

Answer 46

A. Borosilicate glass

Answer 47

B. Silica glass

Answer 48

C. Soda lime glass

Answer 49

D. None of these

Answer 50

B. Completely reversed

Answer 51

C. Dynamic

Answer 52

D. Static & dynamic

Answer 53

A. Direct arc

Answer 54

B. Indirect arc

Answer 55

C. Resistance

Answer 56

D. Induction

Answer 57

A. Nitrous oxide

Answer 58

B. Nitric oxide

Answer 59

C. Nitrogen trioxide

Answer 60

D. Nitrogen pentoxide

Answer 61

A. Indeterminate

Answer 62

C. Infinity

Answer 63

D. Same as that at any other temperature

Answer 64

A. Temperature

Answer 65

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

Answer 66

A. Increase the heat loss

Answer 67

B. Decrease heat loss and will have no effect beyond that

Answer 68

C. Decrease heat flux

Answer 69

D. Reduce convection heat loss compared to conduction heat less

Answer 70

B. Electrical power

Answer 71

D. Abundant water

Material of construction of the electrode used in the electric resistance welding is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

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

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 dummy activity is used in PERT network to describe the

What is the value of entropy at 273°K?

Tumbling is the process of improving the __________ of the materials/parts.

Force between the molecules of the same substance is called __________ force.

Methyl orange indicator turns

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

Large scale fire on fuel gas line is normally extinguished by

Working of linear variable differential transducer (LVDT) is based on the principle of variable

The co-ordination number in simple cubic structure is

The hardenability of steel decreases with

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

The lightest non-inflammable gas is

Powder metallurgy is used to produce

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

Which of the following is resistant to the action of both heat & chemicals?

A material being tested for endurance strength is subjected to the __________ load.

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

The 'laughing gas' is

The surface tension of a liquid, at critical temperature is

Wavelength of radiation emitted by a body depends on the __________ of its surface.

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

Silicon percentage in acid resistant cast iron is about

Upto the critical radius of insulation, added insulation, will

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Also checkout

Material of construction of the electrode used in the electric resistance welding is

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

The softness or hardness of a grinding wheel depends upon the type & amount of bonding material used. For general purpose cutter grinding __________ grinding wheel is normally used.

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

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 dummy activity is used in PERT network to describe the

What is the value of entropy at 273°K?

Tumbling is the process of improving the __________ of the materials/parts.

Force between the molecules of the same substance is called __________ force.

Methyl orange indicator turns

On oscilloscope screen for dynamic measurement, lissajous diagram is normally used to determine the __________ of the input signal.

The expected efficiency of a single riveted lap joint is of the order of 50%. If the thickness of the plate is increased four times, then the rivet diameter will have to be increased __________ times.

Large scale fire on fuel gas line is normally extinguished by

Working of linear variable differential transducer (LVDT) is based on the principle of variable

The co-ordination number in simple cubic structure is

The hardenability of steel decreases with

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

The lightest non-inflammable gas is

Powder metallurgy is used to produce

In case of condensers & evaporators operating under given terminal conditions, LMTD (logarithmic mean temperature difference) for counter flow as compared to that for parallel flow is

Which of the following is resistant to the action of both heat & chemicals?

A material being tested for endurance strength is subjected to the __________ load.

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

The 'laughing gas' is

The surface tension of a liquid, at critical temperature is

Wavelength of radiation emitted by a body depends on the __________ of its surface.

The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.

Work required for compression of a gas contained in a cylinder is 7000 kJ. During compression, heat interaction of 3000 kJ causes the surroundings to be heated. Internal energy change of the gas during the compression is __________ kJ.

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of Portland cement. The component of Portland cement which first hardens is

Silicon percentage in acid resistant cast iron is about

Upto the critical radius of insulation, added insulation, will

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