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1. A square steel bar 40 mm on each side is subjected to a bending moment of 550 N.m. Determine the maximum bending moment.
2. Calculate the maximum bending moment for a S 10 x 35 beam, if the bending stress is 18,000 psi.
the water in a 8m diameter 3m high above ground swimming pool is to be emptied by unplugging a 3cm diameter 25m long
steam enters a turbine at 300 deg c and exhausts at 20 kpa. it is estimated that the isentropic efficiency of the
a 1.8 m x 1.5 m composite wall separates a furnace from the rest of the room in which it is located. the wall is made
Oil (p = 800 kg/m3 , u (mu) = 3.0 x 10^-3 kg/ms) is to be pumped at a rate of at least 6.3 x 10^-5 m3/s through hydraulically-smooth horizontal pipe with an equivalent length of 300 m. The pressure at the pipe inlet is 198 kPa (abs).
A flow idealized as a throttling process through a device has
At steady state, air at 200 kPa, 325 K, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross sectional areas. The inlet cross sectional area is 6 cm squared. At the duct exit, the pressure of the air is 100 kP..
Assume they test null hypothesis H0: versus H1: Will the engineers decide to use the steel if H0 is rejected? Will the engineers decide to use the steel if H0 is not rejected?
A new vehicle propulsion scheme calls for the use of liquid nitrogen as "fuel". The details of the power cycle are basically liquid nitrogen is heated in contact with the atmosphere, pressurised and expanded through a turbine) .
Determine the coefficient of kinetic friction µ,k be- tween the cable and the pipes, the maximum ten- sion T in the cable between the pipes, and the sag h in the cable.
A perfect gas (methane) undergoes a reversible polytropic process in which the polytrotic exponent is 1.4. 1) Using the first law, arrive at an expression for heat transfer per unit mass solely as a function of the temperature difference (change in T..
Compute a stationary spot price equilibrium, (x0 , x1, P(r), r , G, T), with nonnegative interest rate r and with P1(r) + P2(r) = 1. Does the ratio P1(r)/P2(r) increase, decrease, or remain constant as r increases? Give an intuitive explanation for w..
a condenser condenses saturated water vapor at 100 kpa to a saturated liquid. the steam enters at 3 ms and exits at 100
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