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1. The automobile bumper jack is designed to support a 4000-N downward load. Begin with a free-body diagram of BCD and determine the force supported by roller C. Note that roller B does not contact the vertical column.
2. Determine the cutting force F exerted on the rod S in terms of the forces P applied to the handles of the heavy-duty cutter.
The interior of a building is maintained at 23oC by a heat pump cycle operating at steady state while receiving thermal energy from well water at 12oC. The thermal energy discharged to the building is at a rate of 116, 250 kJ/h.
a reversible power cycle receives enery qh from a hot reservoir at th and rejects enerfy qc by heat transfer to a cold
Komodo dragons are the largest lizards known to man. A 250-pound dragon can eat enough food to increase it body weight by 1/2. Which number sentence could be used to find w, the weight of a k0modo dragon after increasing it body weight by 1/2?
many bridge designs today contain simple geometrical components but are constructed into complex ways to ensure that
Room is heated by a base-board resistance heater, which is designed to heat the air in this room from 8oC to 27 oC within 20 min. Approximating the room as a thermo-insulated cuboid 15m ? 10m ? 5m and assuming the specific heats to be constant at a r..
what gage material is used for a medium sized production for run? for higher-volume production? for situations
hot oil cp2.3 kjkg.c at a rate of 2.5 kgs enters an adiabatic exchanger at 180 c and leaves at 150 c. cooling water
This will help them confirm or deny that this company is selling equipment that is used directly in the torture of political prisoners. Discuss the ethical dilemmas that this request raises and how you would react to this request.
the rigid bar is orginally horizonal and is supported by two cables each having a cross-sectional area of 0.05in2 and
You are asked to measure the viscosity of an emulsion, so you use a tube flow viscometer, with the container open to the atmosphere. The length of the tube is 10 cm, its diameter is 2mm, and the diameter of the container is 3 in.
Steam at 260 c and 1 atm flow through an 8-in. schedule-80 steel pipe at a rate of 10,000 lb/hr. estimate the value of h which applies at the inside pipe surface.
a 48-tonne ferry strikes a dock at 3 kmh. what average force does it exert on a dock if it is brought to rest over a
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