A coil is cut into two halves, the stiffness of cut coil will be

Question

A coil is cut into two halves, the stiffness of cut coil will be

A. Double

B. Half

C. Same

Correct Answer :

A. Double

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A beam is loaded as cantilever. If the load at the end is increased, the failure will occur

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Which of the following is correct?

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Which of the following gas is mostly used in town for street and domestic lighting and heating?

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The value of 1 mm of Hg is equal to

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The ultimate analysis of coal consists of the determination of the percentage of

A. Carbon

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The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is

A. Same

B. Double

C. Half

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When it is indicated that a member is elastic, it means that when force is applied, it will

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Which of the following is the correct statement?

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Workdone during adiabatic expansion is given by (where p₁ v₁, T₁ = Pressure, volume and temperature for the initial condition of gas, p_2, v₂, T₂ = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

Discuss this answer

The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

A. Kelvin

B. Joule

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Within elastic limit, stress is

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A cylindrical section having no joint is known as

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The efficiency of Stirling cycle is __________ Carnot cycle.

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Diesel cycle consists of __________ processes.

Discuss this answer

When the gas is cooled at constant pressure,

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Modulus of rigidity may be defined as the ratio of

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The entropy __________ in an irreversible cyclic process.

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The heat energy stored in the gas and used for raising the temperature of the gas is known as

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If in the equation pvn = C, the value of n = ∝, then the process is called

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The main cause for the irreversibility is

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Elasticity of Mild Steel specimen is defined by

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A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

B. -80 kJ

C. -40 kJ

D. +60 kJ

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Carnot cycle consists of

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The fuel mostly used in cement industry and in metallurgical processes is

D. Coke

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A composite shaft consisting of two stepped portions having spring constants K₁ and K₂ is held between two rigid supports at the ends. Its equivalent spring constant is

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In a tensile test, near the elastic limit zone, the

Discuss this answer

The kinetic energy per kg molecule of any gas at absolute temperature T is equal to (where Ru = Universal gas constant)

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Which of the following cycles has maximum efficiency?

C. Carnot

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The polytropic index (n) is given by

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Answer 1

D. None of these

Answer 2

A. In the middle

Answer 3

B. At the tip below the load

Answer 4

C. At the support

Answer 5

D. Anywhere

Answer 6

A. Short columns

Answer 7

B. Long columns

Answer 8

C. Both short and long columns

Answer 9

D. Weak columns

Answer 10

A. Gauge pressure = Absolute pressure + Atmospheric pressure

Answer 11

B. Absolute pressure = Gauge pressure + Atmospheric pressure

Answer 12

C. Absolute pressure = Gauge pressure - Atmospheric pressure

Answer 13

D. Atmospheric pressure = Absolute pressure + Gauge pressure

Answer 14

A. Producer gas

Answer 15

B. Coal gas

Answer 16

C. Mond gas

Answer 17

D. Coke oven gas

Answer 18

A. 1.333 N/m²

Answer 19

B. 13.33 N/m²

Answer 20

C. 133.3 N/m²

Answer 21

D. 1333 N/m²

Answer 22

B. Hydrogen and nitrogen

Answer 23

C. Sulphur and ash

Answer 24

D. All of these

Answer 25

D. Four times

Answer 26

A. Not deform

Answer 27

B. Be safest

Answer 28

C. Stretch

Answer 29

D. Not stretch

Answer 30

A. For a given compression ratio, both Otto and Diesel cycles have the same efficiency.

Answer 31

B. For a given compression ratio, Otto cycle is more efficient than Diesel cycle.

Answer 32

C. For a given compression ratio, Diesel cycle is more efficient than Otto cycle.

Answer 33

D. The efficiency of Otto or Diesel cycle has nothing to do with compression ratio.

Answer 34

A. (p₁ v₁ - p₂ v₂)/(γ - 1)

Answer 35

B. [m R (T₁ - T₂)] /(γ - 1)

Answer 36

C. [m R T₁/(γ - 1)][1 - (p₂ v₂ /p₁ v₁)]

Answer 37

D. All of these

Answer 38

C. Clausis

Answer 39

D. Gay-Lussac

Answer 40

A. Inversely proportional to strain

Answer 41

B. Directly proportional to strain

Answer 42

C. Square root of strain

Answer 43

D. Equal to strain

Answer 44

A. Joint less section

Answer 45

B. Homogeneous section

Answer 46

C. Perfect section

Answer 47

D. Seamless section

Answer 48

A. Greater than

Answer 49

B. Less than

Answer 50

C. Equal to

Answer 51

D. None of these

Answer 52

A. Two constant volume and two isentropic

Answer 53

B. Two constant pressure and two isentropic

Answer 54

C. Two constant volume and two isothermal

Answer 55

D. One constant pressure, one constant volume and two isentropic

Answer 56

A. Its temperature increases but volume decreases

Answer 57

B. Its volume increases but temperature decreases

Answer 58

C. Both temperature and volume increases

Answer 59

D. Both temperature and volume decreases

Answer 60

A. Linear stress to lateral strain

Answer 61

B. Lateral strain to linear strain

Answer 62

C. Linear stress to linear strain

Answer 63

D. Shear stress to shear strain

Answer 64

A. Remains constant

Answer 65

B. Decreases

Answer 66

C. Increases

Answer 67

D. None of these

Answer 68

A. External energy

Answer 69

B. Internal energy

Answer 70

C. Kinetic energy

Answer 71

D. Molecular energy

Answer 72

A. Constant volume process

Answer 73

B. Adiabatic process

Answer 74

C. Constant pressure process

Answer 75

D. Isothermal process

Answer 76

A. Mechanical and fluid friction

Answer 77

B. Unrestricted expansion

Answer 78

C. Heat transfer with a finite temperature difference

Answer 79

D. All of the above

Answer 80

A. Hookes law

Answer 81

B. Yield point

Answer 82

C. Plastic flow

Answer 83

D. Proof stress

Answer 84

A. -140 kJ

Answer 85

A. Two constant volume and two isentropic processes

Answer 86

B. Two isothermal and two isentropic processes

Answer 87

C. Two constant pressure and two isentropic processes

Answer 88

D. One constant volume, one constant pressure and two isentropic processes

Answer 89

A. Wood charcoal

Answer 90

B. Bituminous coke

Answer 91

C. Pulverised coal

Answer 92

A. K₁ K₂

Answer 93

B. (K₁ + K₂)/ 2

Answer 94

C. (K₁ + K₂)/ K₁ K₂

Answer 95

D. K₁ K₂/ (K₁ + K₂)

Answer 96

A. Tensile strain increases more quickly

Answer 97

B. Tensile strain decreases more quickly

Answer 98

C. Tensile strain increases in proportion to the stress

Answer 99

D. Tensile strain decreases in proportion to the stress

Answer 100

A. R_u × T

Answer 101

B. 1.5 R_u × T

Answer 102

C. 2 R_u × T

Answer 103

D. 3 R_u × T

Answer 104

A. Rankine

Answer 105

B. Stirling

Answer 106

D. Brayton

Answer 107

A. log (p₁p₂)/log (v₁v₂)

Answer 108

B. log (p₂/ p₁)/log (v₁/ v₂)

Answer 109

C. log (v₁/ v₂)/ log (p₁/p₂)

Answer 110

D. log [(p1v1)/(p2v2)]

A coil is cut into two halves, the stiffness of cut coil will be

Correct Answer :

Show all Strength of Materials MCQ

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A coil is cut into two halves, the stiffness of cut coil will be

Correct Answer :

Show all Strength of Materials MCQ

Related Questions

A beam is loaded as cantilever. If the load at the end is increased, the failure will occur

Euler's formula holds good only for

Which of the following is correct?

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Which of the following is the correct statement?

Workdone during adiabatic expansion is given by (where p1 v1, T1 = Pressure, volume and temperature for the initial condition of gas, p2, v2, T2 = Corresponding values for the final condition of gas, R = Gas constant, and γ = Ratio of specific heats)

The heat flows from a cold body to a hot body with the aid of an external source. This statement is given by

Within elastic limit, stress is

A cylindrical section having no joint is known as

The efficiency of Stirling cycle is __________ Carnot cycle.

Diesel cycle consists of __________ processes.

When the gas is cooled at constant pressure,

Modulus of rigidity may be defined as the ratio of

The entropy __________ in an irreversible cyclic process.

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Elasticity of Mild Steel specimen is defined by

A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

Carnot cycle consists of

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A composite shaft consisting of two stepped portions having spring constants K₁ and K₂ is held between two rigid supports at the ends. Its equivalent spring constant is

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