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Question: Air consumption for a 4-stroke SI engine is measured by means of a circular orifice of diameter 30 mm. The Cd for the orifice is 0.63 and the pressure across the orifice is 155 mm of water. The barometer reads 750 mm of Hg. Temperature of air in the room is 37oC. The piston displacement volume is 1780 cc. the compression ratio is 6.8. The fuel consumption is 8 kg/hr and having heating value of 43.6 MJ/kg. The BP developed at 2500 rpm is 28 kW. Determine,
(a) volumetric efficiency,
(b) air-fuel ratio,
(c) brake mep, and
(d) relative efficiency on the brake thermal efficiency basis.
Let's say your weight is 180 Ib . 1Ib= 0.45 Kg a) How much is you mass? b) How much is your weight when you are sitting on a chair?
An LC circuit consists of a 2.87 mH inductor and a 4.85 μF capacitor. Find its impedance at 56.1 Hz.
A white billiard ball with mass mw = 1.48 kg is moving directly to the right with a speed of v = 3.05 m/s, what is the final speed of the black ball
A circular loop of wire with radius 0.0470m and resistance 0.163? is in a region of spatially uniform magnetic field, as shown in the following figure.
You have a collection of six 2.1 kÎ resistors. What is the smallest resistance you can make by combining them? Express your answer with the appropriate units.
Determine what is the absolute pressure at a depth of 10 meter in a lake, Determine what is the gauge pressure
A person starts from rest at the top of a large frictionless spherical surface, and slides into the water below. at what angle does the person leave the surface
If the boat leaves the bay at midday, what is the latest time it can return before the water becomes too shallow?
A solenoid is designed to produce a magnetic field of 2.50 x 10-2 T at its center. What minimum number of turns per unit length must the solenoid have? What total length of wire is reuired?
A distant galaxy emits light that has a wavelength of 499.8 nm. On earth, the wavelength of this light is measured to be 503.8 nm. Find the speed of the galaxy relative to the earth
What mass of water at 23.0°C should be allowed to come to thermal equilibrium with a 1.57-kg cube of aluminium initially at1.50 multiplied by 10 2 °C to lower the temperature of the aluminium to 69.8 °C? Suppose any water turned to stream subseque..
A ball of mass 0.40 kg is fired with velocity 140 m/s into the barrel of a spring gun of mass 2.1 kg initially at rest on a frictionless surface. What fraction of the ball's initial kinetic energy is stored in the spring
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