Description : The uplift pressure on a dam can be controlled by (i) Constructing cut-off under upstream face (ii) Constructing drainage channels between the dam and its foundation (iii) By pressure grouting in foundation The correct answer is ... ) and (ii) (C) Both (i) and (iii) (D) (i), (ii) and (iii)
Last Answer : Answer: Option D
Description : The uplift pressure on the face of a drainage gallery in a dam is taken as (A) Hydrostatic pressure at toe (B) Average of hydrostatic pressure at toe and heel (C) Two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel (D) None of the above
Last Answer : Answer: Option C
Description : When the reservoir is full, the maximum compressive force in a gravity dam is produced (A) At the toe (B) At the heel (C) Within the middle third of base (D) At centre of base
Last Answer : Answer: Option A
Description : The resultant upward pressure of the fluid on an immersed body due to its tendency to uplift the submerged body is called (A) Up-thrust (B) Reaction (C) Buoyancy (D) Metacentre
Description : Mach number is significant in (A) Supersonics, as with projectiles and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion through ... gravity force, and wave making effects, as with ship's hulls (D) All of the above
Description : Presence of tail water in a gravity dam (i) Increases the principal stress (ii) Decreases the principal stress (iii) Increases the shear stress (iv) Decreases the shear stress The correct answer is A) (i) and (iii) (B) (i) and (iv) (C) (ii) and (iii) (D) (ii) and (iv)
Description : Horizontal acceleration due to earthquake results in (A) Hydrodynamic pressure (B) Inertia force into the body of the dam (C) Both (A) and (B) (D) None of the above
Description : The maximum permissible eccentricity for no tension at the base of a gravity dam is (A) B/2 (B) B/3 (C) B/4 (D) B/6
Description : 12. The tendency of a liquid to uplift a submerged body, because of the upward thrust of the liquid, is known as buoyancy. A) Agree B) Disagree
Last Answer : A
Description : The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) (A) wH/2 (B) wH (C) wH2 /2 (D) wH2 /4
Description : How do you tell if your shutters are capable of resisting hurricane force winds?
Last Answer : Judge the material and condition The most important aspect to secure shutters is the construction of the hinges. Make sure that the hinges are secured firmly and that the latching mechanism is strong and in good working order.
Description : In order to slip one surface over another, maximum frictional force has to be overcome, this maximum frictional force between the two surfaces is also known as A. kinetic frictional force B. maximal frictional force C. limiting frictional force D. resisting force
Last Answer : limiting frictional force
Description : Which of the following statements are TRUE for damped vibrations? (P) . For a system having critical damping, the value of the damping ratio is unity and system does not undergo a vibratory motion. (Q) . Logarithmic decrement method ... Q only (B) P and S only (C) P, Q and R only (D) Q and S only
Last Answer : (C) P, Q and R only
Description : The advantage of reinforced concrete, is due to (A) Monolithic character (B) Fire-resisting and durability (C) Economy because of less maintenance cost (D) All the abov
Description : If d is the thickness of a concrete pavement, the equivalent radius b of resisting section for an interior loading, is (A) b = d 2 ) - 0.675 d (B) b = d 2 ) + 0.675 d (C) b = d 2 ) - 3.675 d (D) b = d 2 ) - 0.675 d
Description : Pick up the correct statement from the following: (A) Sand stones may be divided into calcareous, siliceous and ferruginous sand stones (B) Concrete using sand stones, cracks due to excessive shrinkage (C) Broken bricks produce a concrete having good fire resisting qualities (D) All the above
Description : Mastic asphalt is (A) Acid resisting material (B) Non-corrosive material (C) Corrosive material (D) Heating-resisting material
Last Answer : Answer: Option B
Description : Name the type of cement from the following for canal linings: (A) Sulphate resisting cement (B) Rapid hardening cement (C) Quick setting cement (D) Pozzolana cement
Description : Which of the following metamorphic rocks has the most weather resisting characteristics? (A) Marble (B) Quartzite (C) Slate (D) Lime stone
Description : Which of the following cements is suitable for use in massive concrete structures such as large dams? (A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement
Description : Which of the following cements contains maximum percentage of dicalcium silicate? (A) Ordinary Portland cement (B) Low heat cement (C) Rapid hardening cement (D) Sulphate resisting cement
Description : Which of the following has more fire resisting characteristics? (A) Marble (B) Lime stone (C) Compact sand stone (D) Granite
Description : The torsion resisting capacity of a given reinforced concrete section. (a) Decreases with decrease in stirrups spacing. (b) Decreases with increase in longitudinal bars. (c) Does not depend upon stirrups and longitudinal steels. (d) Increases with increase in stirrups and longitudinal steels.
Last Answer : (d) Increases with increase in stirrups and longitudinal steels.
Description : According to IS:456-1978, the spacing of stirrups shall not exceed a distance ______the leverarm of the resisting moment. (a) Equal to (b) Two times (c) Three times (d) All the above
Last Answer : (a) Equal to
Description : Which of the following statements is correct? (a) Sulphate resisting cement is particularly used for canal lining. (b) Low heat cement should not be used for thin concrete structures. (c) Rapid hardening cement should not be used for massive concrete structures (d) All of the above
Last Answer : (d) All of the above
Description : Which of the following cements is expected to have the highest compressive strength after 3 days (a) Ordinary Portland cement (b) Rapid hardening cement (c) High alumina cement (d) Sulphate resisting cement.
Last Answer : (c) High alumina cement
Description : Choose the wrong statement (A) Any weight, floating or immersed in a liquid, is acted upon by a buoyant force (B) Buoyant force is equal to the weight of the liquid displaced (C) The ... the center of buoyancy (D) Center of buoyancy is located above the center of gravity of the displaced liquid
Description : One mole of nitrogen at 8 bar and 600 K is contained in a piston cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is (A) 30554 (B) 10373 (C) 4988.4 (D) 4364.9
Last Answer : (B) 10373
Description : Euler's number is the ratio of __________ force to pressure force. (A) Inertia (B) Gravity (C) Viscous (D) None of these
Description : The product of mass and acceleration of flowing liquid is called (A) Inertia force (B) Viscous force (C) Gravity force (D) Pressure force
Description : Froude's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Surface tension force
Description : Reynold's number is the ratio of inertia force to (A) Pressure force (B) Elastic force (C) Gravity force (D) Viscous force
Description : 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 ... force to pressure force. (D) Weber's number is the ratio of inertia force to surface tension force.
Description : Euler's dimensionless number relates the following (A) Inertial force and gravity (B) Viscous force and inertial force (C) Viscous force and buoyancy force (D) Pressure force and inertial force
Description : A hydrogen filled balloon rises in air because (a) The atmospheric pressure decreases with altitude (b) The acceleration due to gravity decreases with altitude (c) The density of air decreases with ... The buoyant force exerted by the air on the balloon is greater than the weight of the balloon
Last Answer : Ans:(d)
Description : Is the force of gravity on unit volume? a. Specific Weight b. Specific Heat c. Specific Pressure d. Specific Volume
Last Answer : Specific Weight
Description : Rajasthan receives very little rain because (a) it is too hot (b) there is no water available and thus the winds remain dry (c) the monsoons fail to reach this area (d) the winds do not come across any barrier to cause the necessary uplift to cool the winds
Last Answer : Ans: (d)
Description : The reason for Rajasthan being deficient in rainfall is: (a) the monsoon fail to reach this area (b) it is too hot (c) there is no water available and thus the winds remain dry (d) the winds do not come across any barrier to cause necessary uplift to be cooled
Description : Rajasthan revives very little rain because— (1) it is too hot (2) there is no water available and thus the winds remain dry (3) the monsoon fails to reach this area (4) the winds do not come across any barriers to cause the necessary uplift to cool the wind
Last Answer : (4) the winds do not come across any barriers to cause the necessary uplift to cool the wind Explanation: Rainfall decreases as winds move westwards up the Ganga Plains. Rajasthan ... range, the weather is characterized by relatively low wind velocity and high humidity with better rainfall.
Description : Which one of the following is the highest gravity dam in the world? (1) Beas Dam (2) Nangal Dam (3) Bhakra Dam (4) Hirakud Dam
Last Answer : (3) Bhakra Dam Explanation: Currently, the tallest dam in the world is the Nurek Dam, an embankment dam in Tajikistan at 300 m high. The tallest arch dam is the recently completed 292 ... under construction in China. Natural landslide dams are also quite competitive in height but not listed here.
Description : Which is the highest gravity dam in the world
Last Answer : Bhakra Dam
Description : A concrete gravity dam built on Satluj river. a) Bhakra Dam b) Salal Dam c) Rana Pratap Sagar Dam d) Dantiwada Dam
Last Answer : a) Bhakra Dam
Description : Which one of the following is the highest gravity dam in the world ? (1) Beas Dam (2) Nangal Dam (3) Bhakra Dam (4) Hirakud Dam
Description : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
Last Answer : Differentiate between earthen dam and gravity dam with respect to seepage , foundation , construction and maintenance
Description : The weight per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these
Description : The mass per unit volume of a liquid at a standard temperature and pressure is called (A) Specific weight (B) Mass density (C) Specific gravity (D) None of these
Description : The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x
Description : Froude number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Description : Reynolds number is significant in (A) Supersonics, as with projectile and jet propulsion (B) Full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc. (C) Simultaneous motion ... gravity forces, and wave making effect, as with ship's hulls (D) All of the above
Description : Can you uplift my spirits?
Last Answer : answer:give us something to work with Why are you down?