Description : How can I calculate the soil resistance by soil mechanics（when a ship was towed on the soft soil）?
Last Answer : I can imagine the soil should be clear before the ship dragged. But I think sometimes the ship may be blocked by small amount of soil though the soil resistance is very small. Then I think the ... is a square box which is blocked by small amount of soil， How can we calculate the soil resistance？
Description : Who would introduce me some academic methods of retaining wall(was dragged by a equipment)?
Last Answer : I just need the method，so the depth of water，the hight of wall, drag force, and so on can be represented by the English alphabets.
Description : How can we obtain the calculation method of the maximum force（F) of the cattle when it forced to get back?
Last Answer : answer:Your problem has too many contradictions. You say the wall is rigid, but then it leans. Does it lean toward the water or away from it? Is the ground level or slanted? Are you saying the ... But the stronger force of the current in the river would create the most force. The cow will drown.
Description : How can I solve the value of F?
Last Answer : Do you assume the soil is a liquid, or is force required to push it aside?
Description : Is a kind of satellite which has a period of revolution equivalent to the period of rotation of the earth about its axis. A. Passive satellite B. Synchronous satellite C. Active satellite D. Geosynchronous satellite
Last Answer : D. Geosynchronous satellite
Description : An earth satellite whose period of revolution is equal to the period of rotation of the earth about its axis. A. Geosynchronous B. Steerable C. Passive D. Active
Last Answer : A. Geosynchronous
Description : The passive earth pressure of a soil is proportional to (where is the angle of internal friction of the soil.) (A) tan (45° - ) (B) tan (45° + ) (C) tan2 (45° - ) (D) tan2 (45° + )
Last Answer : (D) tan2 (45° + )
Description : Coefficient of earth pressure at rest is (A) Less than active earth pressure but greater than passive earth pressure (B) Greater than active earth pressure but less than passive earth pressure ... earth pressure and passive earth pressure (D) Less than both the active and passive earth pressures
Last Answer : (B) Greater than active earth pressure but less than passive earth pressure
Description : The effect of cohesion on a soil is to A) Reduce both the active earth pressure intensity and passive earth pressure intensity (B) Increase both the active earth pressure intensity and ... (D) Increase the active earth pressure intensity but to reduce the passive earth pressure intensity
Last Answer : Answer: Option C
Description : Pick up the correct definition from the following: (A) The lateral pressure exerted by the soil when the retaining wall moves away from the back fill, is generally known as active earth pressure of the soil (B ... the back fill, is known as 'earth pressure at rest of the soil (D) All the above
Last Answer : Answer: Option D
Description : The instruments which provide electromagnetic radiation of specified wave length or a band of wave lengths to illuminate the earth surface are called: (A) Sensors (B) Passive sensors (C) Active sensors (D) None of these
Description : The lateral earth pressure coefficients of a soil, Ka for active state, Kp for passive state and Ko for at-rest condition, compare as : (a) Ko < Ka < Kp (b) Ka < Ko < Kp (c) Ka < Kp < Ko (d) Kp < Ko < Ka
Last Answer : (b) Ka < Ko < Kp
Description : Differentiate between active and passive earth pressure.
Last Answer : Active earth pressure and passive earth pressure are two types of soil pressures that occur on retaining walls and other structures that are built into or on top of soil. Active earth pressure is the pressure ... is the soil pressure that acts on the wall when the soil is in front of the wall.
Description : An artificial satellite is moving in a circular orbit of radius 42.250 km (approx). Calculate its linear velocity if takes 24 hour to revolve around earth.? -Science
Last Answer : Given r =42.250 km , T= 24 hour Linear velocity in circular motion is given by v=2πrT=2×3.14×42.25024=11.05km/hrv=2πrT=2×3.14×42.25024=11.05km/hr
Description : Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 × 10^24 kg,
Last Answer : Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 ... to gravity on the surface = 9.8 m/s2.
Description : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 10^24 kg, R = 6400 km).
Last Answer : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 1024 kg, R = 6400 km).
Description : The total luminosity of the sun is `3.9xx10^(26)W`. The mean distance of the sun from the earth is `1.496xx10^(11)m`. Calculate the value of solar con
Last Answer : The total luminosity of the sun is `3.9xx10^(26)W`. The mean distance of the sun from the ... 496xx10^(11)m`. Calculate the value of solar constant.
Description : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6.6xx10^(-11)Nm^(2)kg^(-2)),(,"Radius of
Last Answer : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6. ... to gravity",(g),=9.8ms^(-2)):}`
Description : The angle of elevation of the antenna beam is 20°. Calculate the transmission-path distance for an ionospheric transmission that utilizes a layer of virtual height 200 km. Use flat-earth approximation. A. 966 km B. 2100 km C. 1100 km D. 405 km
Last Answer : C. 1100 km