The factor of safety for (A) Steel and concrete are same (B) Steel is lower than that for concrete (C) Steel is higher than that for concrete (D) None of the above

The factor of safety for
(A) Steel and concrete are same
(B) Steel is lower than that for concrete
(C) Steel is higher than that for concrete
(D) None of the above
by

1 Answer

Answer :

Answer: Option B
by

Related questions

Examine the following statements: (i) Factor of safety for steel should be based on its yield stress, (ii) Factor of safety for steel should be based on its ultimate stress, (iii) Factor of safety for concrete should be based on its yield stress, (iv) Factor of safety for concrete should be based on its ultimate stress. The correct statements are (A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv

Description : Examine the following statements: (i) Factor of safety for steel should be based on its yield stress, (ii) Factor of safety for steel should be based on its ultimate stress, (iii) Factor of safety for concrete should be based on ... (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv

Last Answer : Answer: Option B

In Limit state method of design, the factor of safety for concrete and steel respectively are [ A ] 3.00 and 1.80 [ B ] 1.50 and 1.18 [ C ] 1.50 and 1.15 [ D ] 1.50 and 1.50

Description : In Limit state method of design, the factor of safety for concrete and steel respectively are [ A ] 3.00 and 1.80 [ B ] 1.50 and 1.18 [ C ] 1.50 and 1.15 [ D ] 1.50 and 1.50

Last Answer : [ C ] 1.50 and 1.15

In working stress method of design, the factor of safety for concrete and steel respectively are [ A ] 3.0 and 1.8 [ B ] 3.0 and 1.18 [ C ] 3.0 and 1.15 [ D ] 1.5 and 1.5

Description : In working stress method of design, the factor of safety for concrete and steel respectively are [ A ] 3.0 and 1.8 [ B ] 3.0 and 1.18 [ C ] 3.0 and 1.15 [ D ] 1.5 and 1.5

Last Answer : [ A ] 3.0 and 1.8

A higher modular ratio shows (A) Higher compressive strength of concrete (B) Lower compressive strength of concrete (C) Higher tensile strength of steel (D) Lower tensile strength of steel

Description : A higher modular ratio shows (A) Higher compressive strength of concrete (B) Lower compressive strength of concrete (C) Higher tensile strength of steel (D) Lower tensile strength of steel

Last Answer : Answer: Option B

For different concrete specimens, each hydrated tot he same degree, the permeability is (a) Higher with lower water cement ratio and higher cement content (b) Lower with lower water cement ratio and higher cement content (c) Lower with higher water cement ratio and lower cement content (d) Lower with higher water cement ratio and higher cement content

Description : For different concrete specimens, each hydrated tot he same degree, the permeability is (a) Higher with lower water cement ratio and higher cement content (b) Lower with lower water cement ratio ... ratio and lower cement content (d) Lower with higher water cement ratio and higher cement content

Last Answer : (b) Lower with lower water cement ratio and higher cement content

Partial safety factor for strength of concrete in Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Description : Partial safety factor for strength of concrete in Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Last Answer : [ C ] 1.5

Partial safety factor for strength of concrete in Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Description : Partial safety factor for strength of concrete in Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Last Answer : [ C ] 1.5

The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Description : The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Last Answer : [ B ] much lower than

The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Description : The pH value of Puzzolanic concrete is ________________ that of ordinary concrete [ A ] lower than [ B ] much lower than [ C ] higher than [ D ] equal

Last Answer : [ B ] much lower than

Partial safety factor for strength in steel m Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Description : Partial safety factor for strength in steel m Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Last Answer : [ A ] 1.15

Partial safety factor for strength in steel m Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Description : Partial safety factor for strength in steel m Limit state design is [ A ] 1.15 [ B ] 1.25 [ C ] 1.5 [ D ] 1.65

Last Answer : [ A ] 1.15

Safety aside, for which of the following reasons is alcohol used in preference to mercury in a minimum thermometer? w) Alcohol has a higher boiling point x) Alcohol has a lower freezing point y) Alcohol contracts more uniformly z) Alcohol can be dyed for visibility

Description : Safety aside, for which of the following reasons is alcohol used in preference to mercury in a minimum thermometer? w) Alcohol has a higher boiling point x) Alcohol has a lower freezing point y) Alcohol contracts more uniformly z) Alcohol can be dyed for visibility

Last Answer : ANSWER: X -- ALCOHOL HAS A LOWER FREEZING POINT

Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress – strain curve for steel in compression is the same as in tension [ C ] The strain at different points in the section will be same [ D ] Plane section remain plane even after bending

Description : Select the incorrect statement from the following In eccentrically loaded columns, [ A ] The tensile strength of concrete is ignored [ B ] Design stress - strain curve for steel in compression is the ... different points in the section will be same [ D ] Plane section remain plane even after bending

Last Answer : [ C ] The strain at different points in the section will be same

The pressure of liquid at throat in a Venturimeter is __________ than that at inlet. (A) Higher (B) Lower (C) Same (D) None of these

Description : The pressure of liquid at throat in a Venturimeter is __________ than that at inlet. (A) Higher (B) Lower (C) Same (D) None of these

Last Answer : Answer: Option B

The viscosity of water is __________ than that of mercury. (A) Higher (B) Lower (C) Same as (D) None of these

Description : The viscosity of water is __________ than that of mercury. (A) Higher (B) Lower (C) Same as (D) None of these

Last Answer : Answer: Option A

The surface tension of mercury at normal temperature is __________ that of water. (A) Same as (B) Lower than (C) Higher than (D) None of these

Description : The surface tension of mercury at normal temperature is __________ that of water. (A) Same as (B) Lower than (C) Higher than (D) None of these

Last Answer : Answer: Option C

If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be(A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable

Description : If cohesion between molecules of a fluid is greater than adhesion between fluid and glass, then the free level of fluid in a dipped glass tube will be (A) Higher than the surface of liquid (B) The same as the surface of liquid (C) Lower than the surface of liquid (D) Unpredictable

Last Answer : Answer: Option C

In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as (A) A key (B) A cut-off wall (C) A rib (D) All the above

Description : In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as (A) A key (B) A cut-off wall (C) A rib (D) All the above

Last Answer : Answer: Option D

In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called (A) Under-reinforced section (B) Over reinforced section (C) Economic section (D) Critical section

Description : In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called (A) Under-reinforced section (B) Over reinforced section (C) Economic section (D) Critical section

Last Answer : Answer: Option B

If the depth of actual neutral axis of a doubly reinforced beam (A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier (B) Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier (C) Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously (D) All the above

Description : If the depth of actual neutral axis of a doubly reinforced beam (A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier (B) Is less ... critical neutral axis; the concrete and steel attain their maximum stresses simultaneously (D) All the above

Last Answer : Answer: Option D

Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach its maximum permissible value first. (c) The moment of resistance will be less than that of the balanced section. (d) The concrete on the tension side is also be considered for calculating the moment of resistance of the section.

Description : Regarding the working stress design of under reinforced concrete section, (a) The neutral axis depth will be greater than that of a balanced section. (b) The stress in steel intension will reach ... on the tension side is also be considered for calculating the moment of resistance of the section.

Last Answer : both b&c

For an over –reinforced (singly reinforced )rectangular reinforced concrete section (a) The lever arm will be less than that for a balanced section (b) The maximum stress developed by concrete will be equal to allowable stress in concrete (c) The maximum stress developed by steel will be equal to the allowable (d) All the above

Description : For an over -reinforced (singly reinforced )rectangular reinforced concrete section (a) The lever arm will be less than that for a balanced section (b) The maximum stress developed by concrete will be equal ... c) The maximum stress developed by steel will be equal to the allowable (d) All the above

Last Answer : (b) The maximum stress developed by concrete will be equal to allowable stress in concrete

In a singly reinforced beam, if the stress in concrete reaches its allowable limit later than the steel reaches, its permissible value, the beam section is said to be (a) Under-reinforced section (b) Over-reinforced section (c) Critical section (d) Balanced section

Description : In a singly reinforced beam, if the stress in concrete reaches its allowable limit later than the steel reaches, its permissible value, the beam section is said to be (a) Under-reinforced section (b) Over-reinforced section (c) Critical section (d) Balanced section

Last Answer : (b) Over-reinforced section

If the depth of actual neutral axis is greater than the depth of critical neutral axis, then [ A ] Concrete attains its permissible stress earlier [ B ] Steel attains its permissible stress earlier [ C ] Both concrete and steel reaches its permissible stresses simultaneously [ D ] None of the above

Description : If the depth of actual neutral axis is greater than the depth of critical neutral axis, then [ A ] Concrete attains its permissible stress earlier [ B ] Steel attains its permissible stress earlier [ C ] Both concrete and steel reaches its permissible stresses simultaneously [ D ] None of the above

Last Answer : [ A ] Concrete attains its permissible stress earlier

In a singly reinforced beam, if the permissible stress in steel reaches earlier than that of concrete, the beam section as called [ A ] Under reinforced section [ B ] Over reinforced section [ C ] Balanced section [ D ] Critical section

Description : In a singly reinforced beam, if the permissible stress in steel reaches earlier than that of concrete, the beam section as called [ A ] Under reinforced section [ B ] Over reinforced section [ C ] Balanced section [ D ] Critical section

Last Answer : [ A ] Under reinforced section

In a Singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called [ A ] Under reinforced section [ B ] Over reinforced section [ C ] Balanced section [ D ] Critical section

Description : In a Singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called [ A ] Under reinforced section [ B ] Over reinforced section [ C ] Balanced section [ D ] Critical section

Last Answer : [ B ] Over reinforced section

Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Description : Select the incorrect statement [ A ] R.C.C has better fire resistance than steel [ B ] R.C.C. structure is economical than steel structure [ C ] Strength of concrete decreases as age increases [ D ] R.C.C can be used for under water and marine structures

Last Answer : [ C ] Strength of concrete decreases as age increases

As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at (A) Lower level (B) Higher level (C) Same level (D) Any of the above depending on the design

Description : As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at (A) Lower level (B) Higher level (C) Same level (D) Any of the above depending on the design

Last Answer : Answer: Option A

The time oscillation of a floating body with increase in meatcentric height will be (A) Same (B) Higher (C) Lower (D) Lower/higher depending on weight of body

Description : The time oscillation of a floating body with increase in meatcentric height will be (A) Same (B) Higher (C) Lower (D) Lower/higher depending on weight of body

Last Answer : Answer: Option C

Viscosity of water in comparison to mercury is (A) Higher (B) Lower (C) Same (D) Higher/lower depending on temperature

Description : Viscosity of water in comparison to mercury is (A) Higher (B) Lower (C) Same (D) Higher/lower depending on temperature

Last Answer : Answer: Option A

Pick up the correct statement from the following: (A) A pile is a slender member which transfers the load through its lower end on a strong strata (B) A pile is a slender member which transfers its load to the surrounding soil (C) A pile is a slender member which transfers its load by friction (D) A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width

Description : Pick up the correct statement from the following: (A) A pile is a slender member which transfers the load through its lower end on a strong strata (B) A pile is a slender member which ... A pile is a cylindrical body of concrete which transfers the load at a depth greater than its width

Last Answer : Answer: Option B

'Shock-absorbers are usually made of steel as it – (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Description : 'Shock-absorbers are usually made of steel as it – (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Last Answer : (3) has higher elasticity Explanation: A shock absorber is a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Steel is an alloy made by combining iron and other elements, the most common of these being carbon.

Air gap has_______eluctance as compared to iron or steel path (a) little (b) lower (c) higher (d) zero

Description : Air gap has_______eluctance as compared to iron or steel path (a) little (b) lower (c) higher (d) zero

Last Answer : (b) lower

Weld decay can be minimized by specifying steel with: a) Higher carbon level b) higher chromium level c) lower carbon level d) lower chromium level

Description : Weld decay can be minimized by specifying steel with: a) Higher carbon level b) higher chromium level c) lower carbon level d) lower chromium level

Last Answer : c) lower carbon level

'Shock-absorbers' are usually made of steel as it : (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Description : 'Shock-absorbers' are usually made of steel as it : (1) is not brittle (2) has lower elasticity (3) has higher elasticity (4) has no ductile property

Last Answer : has higher elasticity

If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following: (A) Q = S + F (B) Q = S - F (C) Q = F - S (D) Q = S × F

Description : If Q is load factor, S is shape factor and F is factor of safety in elastic design, the following:  (A) Q = S + F (B) Q = S - F (C) Q = F - S (D) Q = S × F

Last Answer : (D) Q = S × F

If the cohesive force (c), is 1.5 t/m2 , the density ) of the soil is 2.0 t/m3 , factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of a slope, is (A) 5 metres (B) 8 metres (C) 10 metres (D) 12 metres

Description : If the cohesive force (c), is 1.5 t/m2 , the density ) of the soil is 2.0 t/m3 , factor of safety (F) is 1.5 and stability factor (Sn) is 0.05, the safe height of a slope, is (A) 5 metres (B) 8 metres (C) 10 metres (D) 12 metres

Last Answer : (C) 10 metres

Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)

Description : Factor of safety against sliding of a slope, is the ratio of (A) Actual cohesion to that required to maintain stability of slope (B) Shear strength to shear stress along the surface (C) Neither (a) nor (b) (D) Both (a) and (b)

Last Answer : Answer: Option D

If"w" is weight of a retaining wall and is the horizontal earth pressure, the factor of safety against sliding, is (A) 1.0 (B) 1.25 (C) 1.5 (D) 2.0

Description : If"w" is weight of a retaining wall and is the horizontal earth pressure, the factor of safety against sliding, is (A) 1.0 (B) 1.25 (C) 1.5 (D) 2.0

Last Answer : Answer: Option C

For the design of retaining walls, the minimum factor of safety against overturning is taken as (A) 1.5 (B) 2.0 (C) 2.5 (D) 3.0

Description : For the design of retaining walls, the minimum factor of safety against overturning is taken as (A) 1.5 (B) 2.0 (C) 2.5 (D) 3.0

Last Answer : Answer: Option B

Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity of a pile is obtained by dividing the ultimate bearing capacity with a suitable factor of safety (C) The factor of safety for piles is taken as 6 (D) All the above

Description : Pick up the correct statement from the following: (A) The bearing capacity of a pile is defined as the load which can be sustained by the pile without producing excessive settlement (B) The safe bearing capacity ... of safety (C) The factor of safety for piles is taken as 6 (D) All the above

Last Answer : Answer: Option D

If the shape factor of a section is 1.5 and the factor of safety to be adopted is 2, then the load factor will be (a) 3 (b) 4 (c) 1.5 (d) 2

Description : If the shape factor of a section is 1.5 and the factor of safety to be adopted is 2, then the load factor will be (a) 3 (b) 4 (c) 1.5 (d) 2

Last Answer : (a) 3

For an I beam, the shape factor is 1.12. If the allowable stress (with factor of safety in bending as 1.5) is increased by 20% for wind and earthquake loads, the modified load factor is (a) 1.10 (b) 1.25 (c) 1.35 (d) 1.40

Description : For an I beam, the shape factor is 1.12. If the allowable stress (with factor of safety in bending as 1.5) is increased by 20% for wind and earthquake loads, the modified load factor is (a) 1.10 (b) 1.25 (c) 1.35 (d) 1.40

Last Answer : (d) 1.40

The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above

Description : The advantage of a concrete pile over a timber pile, is (A) No decay due to termites (B) No restriction on length (C) Higher bearing capacity (D) All the above

Last Answer : Answer: Option D

Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced

Description : Higher workability of concrete is required if the structure is (A) Made with cement concrete (B) Thick and reinforced (C) Thin and heavily reinforced (D) Thick and heavily reinforced

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) Higher workability indicates unexpected increase in the moisture content (B) Higher workability indicates deficiency of sand (C) If the concrete mix is dry, the slump is zero (D) All the above

Description : Pick up the correct statement from the following: (A) Higher workability indicates unexpected increase in the moisture content (B) Higher workability indicates deficiency of sand (C) If the concrete mix is dry, the slump is zero (D) All the above

Last Answer : Answer: Option D

Concrete containing (A) Siliceous aggregates, has higher co-efficient of expansion (B) Igneous aggregates, has intermediate coefficient of expansion (C) Lime stones, has lowest co-efficient of expansion (D) All the above

Description : Concrete containing (A) Siliceous aggregates, has higher co-efficient of expansion (B) Igneous aggregates, has intermediate coefficient of expansion (C) Lime stones, has lowest co-efficient of expansion (D) All the above

Last Answer : Answer: Option D

Modulus of elasticity of concrete is increased with (a) Higher W/C ratio (b) Shorter curing period (c) Lesser vibration (d) Increase in age

Description : Modulus of elasticity of concrete is increased with (a) Higher W/C ratio (b) Shorter curing period (c) Lesser vibration (d) Increase in age

Last Answer : (d) Increase in age

Concrete contains (i)Siliceous aggregates, having higher coefficient of expansion (ii)Igneous aggregates, having intermediate coefficient of expansion (iii)Lime stones, having lowest coefficient of expansion [ A ] i and iii [ B ] ii and iii [ C ] i and ii [ D ] i, ii and iii

Description : Concrete contains (i)Siliceous aggregates, having higher coefficient of expansion (ii)Igneous aggregates, having intermediate coefficient of expansion (iii)Lime stones, having lowest coefficient of expansion [ A ] i and iii [ B ] ii and iii [ C ] i and ii [ D ] i, ii and iii

Last Answer : [ D ] i, ii and iii

If a concrete column 200 × 200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15 Ec (A) 264 MN (B) 274 MN (C) 284 MN (D) 294 MN

Description : If a concrete column 200 200 mm in cross-section is reinforced with four steel bars of 1200  mm2  total cross-sectional area. Calculate the safe load for the column if permissible stress in  concrete is 5 N/mm2 ... 15 Ec (A) 264 MN  (B) 274 MN  (C) 284 MN  (D) 294 MN 

Last Answer : (C) 284 MN