Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Question

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

A. 1 : 1

B. 1 : 2

C. 2 : 1

D. 1 : 4

Correct Answer :

A. 1 : 1

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Comment

Ammonia gas can be dried by

A. PCl₅

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Water flow in the river during flood can be categorised as the __________ flow.

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Which of the following phenomenon/ phenomena is/are diffusion controlled?

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Sand used to stop the green sand from sticking to the pattern is termed as the __________ sand.

C. Loam

D. Dry

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Suitability of steel for its use in cable is judged by its strength in

D. Shear

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Maximum consumption of limestone is in the __________ industry.

B. Cement

C. Glass

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A pycnometer is used for the measurement of

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Pick out the wrong statement.

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Oxyacetylene reducing flame is used while carrying out welding on

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Which of the following terminology is used for the temperature at which new grains are formed in a metal?

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Maximum amount of thermal radiation is emitted at all wavelengths at any specified temperature by a/an __________ body.

A. Grey

B. Black

C. Opaque

D. White

Discuss this answer

Maraging steels derive their strength from the following mechanism:

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Midrex process of sponge iron production uses reformed natural gas as the reducing agent, which uses iron ore in the form of

A. Lumps

D. Sinter

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Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.

Discuss this answer

For a first order chemical reaction, the concentration of the reactant decreases __________ with time.

Discuss this answer

High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.

Discuss this answer

__________ pipe is the most suitable for carrying sanitary drainage.

Discuss this answer

Minimum number of members required to form a Public Limited Joint Stock Com-pany is

A. 7

B. 10

C. 12

D. 17

Discuss this answer

Powder metallurgy is used to produce

Discuss this answer

Which of the following is not a principal alloying element for the structural steel?

B. Nickel

Discuss this answer

For preparation of porous bearings by powder metallurgy, preferred particle shape is

Discuss this answer

Vernier calipers cannot be used to measure the

Discuss this answer

The hardenability of steel decreases with

Discuss this answer

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

A. Impact

Discuss this answer

In electrical resistance welding, distortion results from the use of improper

Discuss this answer

Friction factor for fluid flow in pipe does not depend upon the

Discuss this answer

Silicon percentage in acid resistant cast iron is about

A. 4

B. 8

C. 14

D. 20

Discuss this answer

The following type of bonding is strongly directional in solids.

B. Ionic

Discuss this answer

Corrosion rate cannot be lowered by reducing the __________ of the corroding medium.

Discuss this answer

Most of the phosphorous present in the blast furnace burden enters into

C. Slag

Discuss this answer

Answer 1

B. Quick lime

Answer 2

C. CaCl₂

Answer 3

D. Concentrated H₂SO₄

Answer 4

A. Unsteady uniform

Answer 5

B. Unsteady non-uniform

Answer 6

C. Steady uniform

Answer 7

D. Steady non-uniform

Answer 8

A. Dislocation climb

Answer 9

B. Cross-slip

Answer 10

C. Twinning

Answer 11

D. Recrystallisation

Answer 12

A. Parting

Answer 13

B. Synthetic

Answer 14

A. Tension

Answer 15

B. Compression

Answer 16

C. Torsion

Answer 17

A. Iron and steel

Answer 18

D. Fertiliser

Answer 19

A. Flow rate of molten metal

Answer 20

B. Specific gravity of a liquid

Answer 21

C. Composition of alloys

Answer 22

D. Concentration of a solution

Answer 23

A. Seam welding, projection welding & spot welding are the classification of electrical resistance welding

Answer 24

B. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded)

Answer 25

C. In spot welding, two pieces to be joined are overlapped and placed between two electrodes

Answer 26

D. Mild steel sheet cannot be spot welded

Answer 27

A. Alloy steel

Answer 28

B. Grey cast iron

Answer 29

C. Mild steel

Answer 30

D. High carbon steel

Answer 31

A. Eutectic temperature

Answer 32

B. Lower critical temperature

Answer 33

C. Recrystallisation temperature

Answer 34

D. Upper critical temperature

Answer 35

A. A fine, highly dislocated and strong martensite

Answer 36

B. Fine dispersions of inter-metallic of Fe, Ni, Ti etc

Answer 37

C. Fine dispersions of alloy carbides in a ferrite matrix

Answer 38

D. Fine dispersions of

C nucleated on dislocations in austenite

Answer 39

B. Pellets

Answer 40

C. Briquettes

Answer 41

A. Forging

Answer 42

B. Cold rolling

Answer 43

C. Hot rolling

Answer 44

D. Casting

Answer 45

A. Linearly

Answer 46

B. Exponentially

Answer 47

C. Logarithmically

Answer 48

D. Inversely

Answer 49

A. 5 to 10

Answer 50

B. 15 to 25

Answer 51

C. 45 to 50

Answer 52

D. 75 to 80

Answer 53

A. Stainless steel

Answer 54

B. Reinforced cement concrete

Answer 55

C. Cast iron

Answer 56

D. Asbestos cement

Answer 57

A. High precision components with complex cavities and sharp features

Answer 58

B. Components of large size

Answer 59

C. Porosity free components

Answer 60

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

Answer 61

A. Molybdenum

Answer 62

C. Manganese

Answer 63

D. Chromium

Answer 64

A. Spherical

Answer 65

B. Nodular

Answer 66

C. Irregular

Answer 67

D. No preferred shape

Answer 68

A. I.D. & O.D. of the shaft

Answer 69

B. Thickness of parts

Answer 70

C. Depth of holes

Answer 71

D. Clearance between two mating surfaces

Answer 72

A. Decrease in dislocation density

Answer 73

B. Increase in solutionising temperature

Answer 74

C. Increase in strength

Answer 75

D. Decrease in grain size

Answer 76

B. Completely reversed

Answer 77

C. Dynamic

Answer 78

D. Static & dynamic

Answer 79

A. Clamping methods

Answer 80

B. Electrodes

Answer 81

C. Current

Answer 82

D. Filler material

Answer 83

A. Pipe length

Answer 84

B. Pipe roughness

Answer 85

C. Fluid density & viscosity

Answer 86

D. Mass flow rate of fluid

Answer 87

A. Vander Waal's

Answer 88

C. Metallic

Answer 89

D. Covalent

Answer 90

A. Concentration

Answer 91

B. Velocity

Answer 92

C. Temperature

Answer 93

D. None of these

Answer 94

A. Hot metal

Answer 95

B. Flue gases

Answer 96

D. Refractory lining

Two wires of the same radius & material having length in the ratio of 1 : 2 are stretched by the same force. The strain produced in the two wires will be in the ratio of

Correct Answer :

Show all Chemical Engineering Basics MCQ

Related Questions

Ammonia gas can be dried by

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