The angle which an inclined plane makes with the horizontal when a body placed on it is about to move down is known as angle of (A) Friction (B) Limiting friction (C) Repose (D) Kinematic friction

The angle which an inclined plane makes with the horizontal when a body placed on it is about to
move down is known as angle of
(A) Friction
(B) Limiting friction
(C) Repose
(D) Kinematic friction
by

1 Answer

Answer :

(C) Repose
by

Related questions

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Last Answer : d. Angle of repose

The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Description : The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes (A) With the horizontal (B) With the vertical (C) With the perpendicular to the inclined plane of the soil (D) None of these

Last Answer : Answer: Option A

A plane inclined at an angle to the horizontal at which the soil is expected to stay in the absence of any lateral support, is known as (A) Natural slope line (B) Repose line (C) The line (D) All the above

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The ratio of limiting friction and normal reaction is known as (A) Coefficient of friction (B) Angle of friction (C) Angle of repose (D) Sliding friction

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The angle that Coulomb's failure envelope makes with the horizontal is called (A) Cohesion (B) Angle of internal friction (C) Angle of repose (D) None of the above

Description : The angle that Coulomb's failure envelope makes with the horizontal is called (A) Cohesion (B) Angle of internal friction (C) Angle of repose (D) None of the above

Last Answer : Answer: Option A

Tangent of angle of friction is equal to (A) Kinetic friction (B) Limiting friction (C) Angle of repose (D) Coefficient of friction

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A particle moves along a rough plane inclined at 30? to the horizontal. The co-efficient of friction between the particle and the plane is 0.1. Its initial velocity is 15 m/sec. The ratio of the velocity of the particle when it move down the plane to that when it move up the plane would be in the regions a.8 ? 10 b.5 ? 7 c.2 ? 3 d.4 ? 6 e.10 ? 13

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Last Answer : b. 5 ? 7

A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively (A) 0.5 N/mm² and 30° (B) 0.05 N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Description : A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m² when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of ... N/mm² and 0° (C) 0.2 N/mm² and 0° (D) 0.05 N/mm² and 45°

Last Answer : Answer: Option B

A body of weight W is resting at a plane inclined at 30? to the horizontal. It is attached to a string making an angle of 60? with horizontal. If the angle of friction be 30? the tension in the string would be a.Zero b.W c.W/2 d.2W e.None of the above

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Last Answer : c. W/2

The angle of friction is a.The angle which frictional force makes with the normal b.The anle at which the force applied from external souce will cause movement c.The angle at which fictional force is inclined to external force d.The angle between the normal reaction and the resultant of normal reaction and the limiting friction e.None of the above

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Last Answer : d. The angle between the normal reaction and the resultant of normal reaction and the limiting friction

The maximum frictional force which comes into play when a body just begins to slide over another surface is called (A) Limiting friction (B) Sliding friction (C) Rolling friction (D) Kinematic friction

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The coefficient of friction is a.The tangent of the angle between the normal reaction and direction of limiting friction b.The tangent of the angle between the normal reaction and the resultant of the normal reaction and the limiting friction c.The tangent of the angle of the net resultant force with the direction of motion d.The tangent of the angle between the horizontal plane and the resultant force e.The angle between the normal reaction and the resultant of normal reaction and the limiting friction

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A body of weight 100 kg is placed on a horizontal plane. A horizontal force of 30 kg is applied and the block is just on the point of motion. The angle of friction is a.About 16? b.30? c.45? d.60? e.None of the above

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Least force required to draw a body up the inclined plane is W sin (plane inclination + friction angle) applied in the direction (A) Along the plane (B) Horizontally (C) Vertically(D) At an angle equal to the angle of friction to the inclined plane

Description : Least force required to draw a body up the inclined plane is W sin (plane inclination + friction  angle) applied in the direction  (A) Along the plane  (B) Horizontally  (C) Vertically  (D) At an angle equal to the angle of friction to the inclined plane 

Last Answer : (D) At an angle equal to the angle of friction to the inclined plane 

Frictional force encountered after commencement of motion is called (A) Post friction (B) Limiting friction (C) Kinematic friction (D) Dynamic friction

Description : Frictional force encountered after commencement of motion is called  (A) Post friction  (B) Limiting friction  (C) Kinematic friction  (D) Dynamic friction 

Last Answer : (D) Dynamic friction 

Coefficient of friction is the (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

Description : Coefficient of friction is the  (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction  (B) Ratio of limiting friction and normal reaction  (C) The ... body is just about to move  (D) The friction force acting when the body is in motion 

Last Answer : (B) Ratio of limiting friction and normal reaction

Kinetic friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

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Last Answer : (D) The friction force acting when the body is in motion

Limiting force of friction is the (A) Tangent of angle between normal reaction and the resultant of normal reaction and limiting friction (B) Ratio of limiting friction and normal reaction(C) The friction force acting when the body is just about to move (D) The friction force acting when the body is in motion

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Angle of friction is the (A) Angle between normal reaction and the resultant of normal reaction and the limiting friction (B) Ratio of limiting friction and normal reaction (C) The ratio of minimum friction force to the friction force acting when the body is just about to move (D) The ratio of minimum friction force to friction force acting when the body is in motion

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A retaining wall 6m high supports a backfill with a surcharge angle of 10°. The back of the wall is inclined to the vertical at a positive batter angle of 5°. If the angle of wall friction is 7°, then the resultant active earth pressure will act at a distance of 2 m above the base and inclined to the horizontal at an angle of (A) 7° (B) 10° (C) 12° (D) 17

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Last Answer : (C) 12°

A block of weight 20 kg slides with an initial velocity of 2 m sec down an inclined plane on to a spring of stiffness 10 kg/cm. If the co--efficient of friction is 0.2, angle ? = 30 the ratio of maximum compession of spring, neglecting friction to that while considering friction would be a.More than one b.One c.Less than one d.Depends on the stiffness of spring e.None of the above

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An open vessel of water is accelerated up an inclined plane. The free water surface will (A) Be horizontal (B) Make an angle in direction of inclination of inclined plane (C) Make an angle in opposite direction to inclination of inclined plane (D) Any one of above is possible

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Which one of the following statements is not correct? (A) The tangent of the angle of friction is equal to coefficient of friction (B) The angle of repose is equal to angle of friction (C) The tangent of the angle of repose is equal to coefficient of friction (D) The sine of the angle of repose is equal to coefficient to friction

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If is the angle of repose of soil of weight w kg/m3 , the horizontal pressure p at a depth of h metres per metre length of wall, is (A) wh × [(1 - sin )/(1 + )] (B) (wh/2) × [(1 - sin )/(1 + )] (C) wh - sin )/(1 + )] (D) wh )/(1 - )

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Last Answer : Answer: Option A

The slope on the road generally provided on the curves is known as a.Angle of repose b.Angle of friction c.Angle of banking d.Angle of reaction e.None of the above

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The work done in sliding a block of weight of 50 kg up a plane inclined at an angle of 30? to the horizontal so that the block is lifted through 1 m ( a.More than 50 kgm b.50 kgm c.Less than 5 kgm d.15 kgm only e.None of the above

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The direction of projection for the range of a projectile to be maximum on an inclined plane having angle of inclination 30? to the horizontal, whould be a.45? with horizontal b.30? with vertical c.30? with horizontal d.60? with inclined plane e.45? with inclined plane

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Angle of friction and angle of repose are (1) Equal to each other (2) Not equal to each other (3) Proportional to each other (4) None of the above

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A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: w) all converted into heat x) equal to its potential energy (with respect to the bottom of the plane) when it was at the top of the plane y) less than its kinetic energy at the top of the plane z) dependant on the materials of which the block is made

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Last Answer : (C) Heavy tonnages of rocks or gravel

The maximum shear stress occurs on the filament which makes an angle with the horizontal plane equal to (A) 30° (B) 45° (C) 60° (D) 90

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The maximum frictional force which comes into play when a body just begins to slide over the surface of another body is known as a.Kinetic friction b.Rolling friction c.Dynamic friction d.Limiting friction e.Sliding friction

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