1.5 In this figure, force F is pulling the rope (wrapped around the drum). There is no slippage between the ground and the larger radius drum. Pick one: rolls A The drum rotates in the counter-clockwise direction (B The visible portion is getting longer (unwinding)< -wrapping (C) The direction of friction from the ground on the drum is to the left (D) The direction of friction from the ground on the drum is to the right 1.6 Rob AB is released from horizontal position and hits CD when it gets to the 6 o'clock position. During the collision (pick one) (A) No impulsive forces if e = 1 (B))Impulsive forces between ends A and C only TT) Impulsive forces at support point B only (D) Impulsive forces betwwen A and C and at support B In the figure below, u (coeff. of friction) between the ground and wheels of the cart is 1.7 the same as the u between the cart and cylinder. Cylinder is then is pulled by the force P as shown. Pick one: (A) Cart will not move (B) Jart and cylinder will move together B teT If P is large engouh, both will move together (D) There can be no slippage between the cart and the cylinder

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Measuring site work, Excavation and Piling

Bid drawings typically include very little material about the precise requirements of site work operations, measuring site work and excavation work differs from measuring most other works on a construction project. The actual site work conditions are not provided and also the dimensions of the excavations are not known during the pre-construction phase. The precise measurement of the excavation and backfill of the earth material and topsoil is important for a contractor to decide upon the total cost required for the process. All the works should be carried out under OSHA (Occupational Safety and Health Administration) standards to ensure the safety of the workers.