seonly A shunt generator supplies 96 A at a terminal voltage of 200 V. The armature and shunt field resistances are 0.1 Q2 and 50 Q2 respectively. The iron and frictional losses are 2500 W. Find emf generated copper losses (i) efficiency ۱/۱ incluse ost
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- 1) A 100-V shunt motor is developing 6 hp while operating at an overall efficiency of 86%. The armature and shunt field resistances are 0.06 and 50 ohms respectively. Determine the stray power losses. 2) The field and armature resistance of a 400 V shunt motor are 200 ohms and 0.1 ohms, respectively. The motor takes 30 A of current while running at 1000 rpm. If the frictional losses are 400 W, determine the motor efficiency. 3) In a brake test of an elevator door, the ammeter and voltmeter measuring the input read 34 A at 220 V. The speed of the motor is found to be 910 rpm and the balance on the 0.61 m brake arm reads 11.9 kg. The dead weight of the arm is found to be 1.09 kg. What is the hp output of the motor?A flowmeter in a circuit uses US standard current transmission. The flowmeter can provide measurements from 0 gpm to 20 gpm. If the transmission current is 10 mA, what is the measured flow rate? 7.5 gpm B. 12.5 gpm C. 6 gpm D. 10 gpmtransmitted from a pulley | m diameter running at 200 v, |, s of @ belt, Find the speed lost by the driven pulley as a resy, side of the belt is 1.4 MPa and 0.5 MPa respeciivel,, 7, ¢ belt is 100 MPa. 1 I e . . o = 1 AMDa =14 % 1Y
- can you help me with part c pleasepage: 2/8 8. For hydraulic pumps and motors, there are two types of losses, i.e. 9. The measure for oil trapping of gear pumps is 10. Three basic conditions for operation of pumps are and mechanism to separate suction from delivery stroke. 11. For the axial piston pump, the pulsation is minimized when the pump has 12. In neutral position, the port P and T of relief valves are (connected/disconnected). 13. The secondary air treatment unit of pneumatic systems include and air lubricator.For the pneumatic circuit in the figure, name each of the components and describe their operation (what each action does).
- 1. For a given pump, the diameter, the gauge pressures at the inlet and outlet are −30 × 103 P a and 200 × 103 P a, respectively. If the flow rate is 0.1 m3/s, and the power required is 25 kW, find the efficiency. The intake and discharge are at the same height. 2. The impeller of a radial-flow turbine has an outer radius of 4 f t, turning at 200 rpm. The volume flow rate is 1000 ft3/s, and it discharges in the axial direction. Neglect all losses. If the tangential component of the velocity at the inlet is 5 f t/s, find: (a) The torque exerted on the impeller. (b) The power developed by the machine.A diesel engine is being assembled in a shop where the temperature is kept at 20 ° C . At this temperature, the length of a steel valve push rod is 460 mm . Calculate the clearance required if the engine is expected to reach an operating temperature of 96 ° C .Linear coefficient (steel): 12 x 10-6/ ° C .5. 30,000 kW at power factor 0-8 lagging is being transmitted over a 220 kV, three-phase transmission line. The length of the line is 275 km and the efficiency of transmission is 90%. Calculate the weight of copper. Also calculate the weight of copper had the power been transmitted over a single-phase transmission line tor the same line voltage and losses. ASsume that the resistance of 1km long conductor and 1sq.cm is 0.173 andspecific gravity of copper is 8-9.