Select the correct statement (A) Flexibility matrix is a square symmetrical matrix (B) Stiffness matrix is a square symmetrical matrix (C) Both (A) and (B) (D) None of the above

Select the correct statement
(A) Flexibility matrix is a square symmetrical matrix
(B) Stiffness matrix is a square symmetrical matrix
(C) Both (A) and (B)
(D) None of the above
by

1 Answer

Answer :

(C) Both (A) and (B
by

Related questions

For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal (i) Of a stiffness matrix must be positive (ii) Of a stiffness matrix must be negative (iii) Of a flexibility matrix must be positive (iv) Of a flexibility matrix must be negative The correct answer is (A) (i) and (iii) (B) (ii) and (iii) (C) (i) and (iv) (D) (ii) and (iv)

Description : For stable structures, one of the important properties of flexibility and stiffness matrices is that the elements on the main diagonal (i) Of a stiffness matrix must be positive (ii) Of a stiffness matrix must be negative (iii) Of ... ) (B) (ii) and (iii) (C) (i) and (iv) (D) (ii) and (iv)

Last Answer : (A) (i) and (iii)

Complete the following statement. In a weak matrix environment, the project manager, Eric, has to constantly make an effort to influence his project team and stakeholders to ensure project success. This is because: Select one: a. Eric has a lot of authority. b. Eric has no or little authority. c. Eric is controlled by his functional managers. d. there are no functional managers. e. Eric has flexibility on authority.

Description : Complete the following statement. In a weak matrix environment, the  project manager, Eric, has to constantly make an effort to influence his  project team and stakeholders to ensure project success. ... managers. d. there are no functional managers. e. Eric has flexibility on authority.

Last Answer : b. Eric has no or little authority.

The deformation of a spring produced by a unit load is called (A) Stiffness (B) Flexibility (C) Influence coefficient (D) Unit strain

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Diminished range of motion, loss of flexibility, stiffness, and loss of height are history and physical findings associated with agerelated changes of the a) joints. History and physical findings associated with age-related changes of the joints include diminished range of motion, loss of flexibility, stiffness, and loss of height.

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Last Answer : a) joints. History and physical findings associated with age-related changes of the joints include diminished range of motion, loss of flexibility, stiffness, and loss of height.

Stiffness matrix depends on a.material b.geometry c.both material and geometry d.none of the above

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Pick up the correct statement from the following: (A) Corrugated sheet iron is made by passing plain sheets between grooved rollers (B) Strength and stiffness of corrugated sheets are considerably increased (C) Corrugated sheets are generally used on slanting roofs (D) All the above

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Which of the following is true for the stiffness matrix (K)? a.K is a banded matrix b.K is un-symmetric c.K is an un-banded matrix d.none of the above

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Which of the following is not a method for calculation of the stiffness matrix? a.The minimum potential energy principle b.Galerkin's principle c.Weighted residual method d.Inverse matrix method

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The determinant of an element stiffness matrix is always a.3 b.2 c.1 d.

Description : The determinant of an element stiffness matrix is always a.3 b.2 c.1 d.

Last Answer : d.0

For 1-D bar elements if the structure is having 3 nodes then the stiffness matrix formed ishaving an order of a.2*2 b.3*3 c.4*4 d.6*6

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Last Answer : b.3*3

Which of the following is true about Stiffness matrix a. Diagonal matrix b. Symmetric matrix c. Positive Definite d. All of the above

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Springs with rectangular or square cross section used for a. higher stiffness b. larger volume c. larger length d. smaller length

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Which spring will you select for your system: Spring with low stiffness or higher stiffness and why?

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Last Answer : Answer: Springs with lower stiffness provides less load variation for same travel. So this spring is a better choice than a spring hanger with higher stiffness.

For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust (A) Is increased (B) Is decreased (C) Remains unchanged (D) Becomes zero

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For structural analysis, Maxwell's reciprocal theorem can be applied to: (A) Plastic structures (B) Elastic structures (C) Symmetrical structures (D) All the above

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Frequency distribution curves (A) Having a single lump, are called uninodal curves (B) If symmetrical, are called normal curves (C) If not symmetrical, are called skew curves (D) All the above

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Last Answer : (D) All the above

Select the correct statement. (a) Franklin Stahl coined the term ‘‘linkage’’. (b) Punnett square was developed by a British scientist. (c) Spliceosomes take part in translation. (d) Transduction was discovered by S. Altman

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Select the correct statement : (1) Franklin Stahl coined the term "linkage". (2) Punnett square was developed by a British scientist. (3) Spliceosomes take part in translation. (4) Transduction was discovered by S. Altman.

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Last Answer : (2) Punnett square was developed by a British scientist.

Pick out the wrong statement. (A) Molecules with symmetrical arrangements (e.g. CH4 or CCl4) are non polar (B) Generally, non-polar compounds are chemically inactive, conduct electricity poorly and do not ionise (C) Most of the hydrocarbons are non-polar (D) None of these

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Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) Leech is a fresh water form while all others are marine.(c) Spongilla has special collared cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.

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Select the correct statement. (A) A meander increases the river length but a cut off reduces the river length (B) A cut-off increases the river length but a meander reduces the river length (C) Both meander and cut-off increase the river length (D) Both meander and cut-off decrease the river length

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The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called (A) Proportionality (B) Flexibility (C) Setting (D) Sensitivity

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For a proportional outlet, the flexibility is (A) Zero (B) Between zero and 1 (C) 1 (D) Greater than 1

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Flexibility of an outlet may be defined as the ratio of the rate of change of : a) Outlet discharge to the rate of change of water level of the parent channel b) Outlet discharge to the rate of change of the discharge of the parent channel c) Parent channel discharge to the rate of the change of the outlet discharge d) Parent channel water level to the rate of the outlet discharge

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The moment-distribution method in structural analysis falls in the category of (a) Displacement method (b) Force method (c) Flexibility method (d) First order approximate method

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The stiffness of the close coil helical spring is (A) d 4N/8D 3n (B) d 4N/4D 3n (C) 4D 3N/d 4n (D) 8D 3N/d 4n

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The greatest load which a spring can carry without getting permanently distorted, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load

Description : The greatest load which a spring can carry without getting permanently distorted, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load 

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The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load

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The load on a spring per unit deflection, is called (A) Stiffness (B) Proof resilience (C) Proof stress (D) Proof load

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Last Answer : (A) Stiffness 

The stiffness factor for a prismatic beam of length L and moment of inertia I, is (A) IE/L (B) 2EI/L (C) 3EI/L (D) 4EI/L

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Last Answer : (A) IE/L

For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed (A) 10 (B) 15 (C) 20 (D) 25

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Last Answer : Answer: Option C

If the ratio of the span to the overall depth does not exceed 10, the stiffness of the beam will ordinarily be satisfactory in case of a (A) Simply supported beam (B) Continuous beam (C) Cantilever beam (D) None of these

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Pick out the correct combination about the role of various additives used in polymers. (A) Plasticiser: increases the polymer strength (B) Heat stabiliser: increases the maximum service temperature (C) Fillers: Does not affect the property of polymer but increases its weight (D) Lubricants: increases the flexibility of polymers

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Last Answer : Option C

Pick up the correct statement from the following (A) 1 second of arc corresponds to a displacement ratio of 1:206, 300 (B) 1 degree of arc corresponds to a displacement ratio of 1:57(C) The angular errors tend to propagate themselves along a traverse as the square root of the number of stations (D) All the above

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Pick up the correct statement from the following: (A) In a gully trap, a water seal of 6 to 7.5 cm is provided (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc. (C) The gully trap disconnects the sullage drain from the main drainage system (D) The grating provided over gully traps is 23 cm square

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Last Answer : (B) The gully trap collects waste water from the kitchen, sink, wash basins, etc.

Pick up the correct statement from the following: (A) The cost of square rooms is less (B) The expenditure on the foundation and roof for the double storeyed building is nearly half of that for the ground storeyed building (C) The cost of construction of a house may be minimised by restricting the height floors (D) All the above

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Last Answer : Answer: Option D

Select the correct statement. (A) A contour is not necessarily a closed curve. B) A contour represents a ridge line if the concave side of lower value contour lies towards the higher value contour (C) Two contours of different elevations do not cross each other except in case of an overhanging cliff (D) All of the above statements are correct

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Last Answer : (C) Two contours of different elevations do not cross each other except in case of an overhanging clif

Select the correct statement. A) Contour interval on any map is kept constant. (B) Direct method of contouring is cheaper than indirect method. (C) Intervisibility of points on a contour map cannot be ascertained. (D) Slope of a hill cannot be determined with the help of contours.

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Last Answer : (A) Contour interval on any map is kept constant.

Select the correct statement. (A) Coefficient of compressibility of an over-consolidated clay is less than that of a normally consolidated clay (B) Coefficient of compressibility of an over-consolidated clay is greater than that of a normally consolidated clay (C) Coefficient of compressibility is constant for any clay (D) None of the above

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Select the correct statement. (A) The greater the viscosity, the greater is permeability (B) The greater the unit weight, the greater is permeability (C) The greater the unit weight, the smaller is permeability (D) Unit weight does not affect permeability

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Select the correct statement. (A) A uniform soil has more strength and stability than a nonuniform soil (B) A uniform soil has less strength and stability than a nonuniform soil (C) Uniformity coefficient does not affect strength and stability (D) Uniformity coefficient of a poorly graded soil is more than that of a well graded soil

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Last Answer : Answer: Option B

Select the correct statement. (A) Unit weight of dry soil is greater than unit weight of wet soil (B) For dry soils, dry unit weight is less than total unit weight (C) Unit weight of soil increases due to submergence in water (D) Unit weight of soil decreases due to submergence in water

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Last Answer : Answer: Option D

Select the correct statement (A) Local atmospheric pressure depends upon elevation of locality only (B) Standard atmospheric pressure is the mean local atmospheric pressure a* sea level (C) Local atmospheric pressure is always below standard atmospheric pressure (D) A barometer reads the difference between local and standard atmospheric pressure

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Last Answer : Answer: Option B

The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. (A) The bodies A and B have equal stability (B) The body A is more stable than body B (C) The body B is more stable than body A (D) The bodies A and B are unstable

Description : The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement. (A) The bodies A and B have equal stability (B) The body A is more stable than body B (C) The body B is more stable than body A (D) The bodies A and B are unstable

Last Answer : Answer: Option C

Select the correct statement (A) Weber's number is the ratio of inertia force to elastic force. (B) Weber's number is the ratio of gravity force to surface tension force. (C) Weber's number is the ratio of viscous force to pressure force. (D) Weber's number is the ratio of inertia force to surface tension force.

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Last Answer : Answer: Option D

Select the correct statement. (A) Quantity of binder required for tack coat is less than that required for prime coat (B) Prime coat treatment is given for plugging the voids in water bound macadam during bituminous road construction (C) Seal coat is the final coat over certain previous bituminous pavements (D) A bitumen primer is a high viscosity cutback

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Last Answer : Answer: Option D

Select the correct statement. (A) More the value of group index, less thickness of pavement will be required (B) More the value of CBR, greater thickness of pavement will be required (C) Minimum and maximum values of group index can be 0 and 20 respectively (D) All of the above

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Last Answer : Answer: Option C

Select the correct statement. (A) Activity arrows in a CPM network are drawn to scale (B) The tail of an arrow represents the finish of an activity (C) Arrow bead represents the start of an activity (D) None of the above

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Select the correct statement (A) Elastic modulus of high tensile steel is nearly the same as that of mild steel (B) Elastic modulus of high tensile steel is more than that of mild steel (C) Carbon percentage in high carbon steel is less than that in mild steel (D) High tensile steel is cheaper than mild steel

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Last Answer : Answer: Option A

Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica (A) Basalt and marble are the only metamorphic rocks (B) There is no sedimentary rock (C) Granite is the only igneous rock (D) Quartz and mica are minerals

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