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Your engineering firm decides to build a prototype, and needs screw and nut fasteners as well as resistors and LEDs. There are machinists and electronics technicians available for in-house production.
Pure aluminum is being poured into a sand mold. The metal level in the pouring basin is 25.4cm above the metal level in the mold, and the runner is circular with a 1.016cm diameter
In orthogonal turnning of a bar of 100mm diameter with feed of 0.25mm/rev depth of cut 0f 4mm and cutting velocity 90m/min it is observed that the main (tangential) cutting force is perpendicular to t
A 4-stroke, 4 cylinder automotive engine develops 150 N-m brake torque at 3000 rpm. Assuming brake mean effective pressure to be 0.925 bar, Take, mean piston speed as 12 m/sec. Find (i) Brake power in
Determine the efficiency of a high frequency induction furnace which takes 10 minutes to melt 1.815 kg of aluminium the input of the furnace being 5 KW and the initial temperature 15 deg specifi
Computing Assignment: Using only the basic operations of scalar or vector multiplication, addition and time delay operations, write a program to implement an FIR filter. If you write the program
Suppose an electronic low-pass filter (a circuit) is to be designed to reduce measurement noise from a sensor. The output of the sensor will be connected to the input of the filter, and the
The formula to find real power is VI cos(pi). where cos (pi) is the power factor. Suppose if we want to find the reactive power for the same value of (pi) , (Reactive power= VI sin (pi)) mathema
Given either a parallel RC or a parallel RL circuit, explain how admittance, current, and phase (generator current relative to circuit voltage) would change as input frequency increases?
Determine the maximum raw instantaneous data rate that can be provided to a single user in EDGE, assuming that a single time slot on a single GSM channel is available.
Make a schematic drawing of an amorphous Si glass with 10%H, including about 30 atoms. (Hint: think about how many bonds Si will form, and how many bonds H would form).
A sled is traveling at 4 m/s along a horizontal stretch of snow. The coefficient of kinetic friction is 0.05 . Howfar does the sled go before stopping ?
The 0.8 kg collar slides freely on the fixed circular rod. Calculate the velocity v of the collar as it hits the stop at B if it is elevated fro rest at A by the action of the constant 40 N forc
A motor must be started and stopped from any one of three start/stop pushbotton stations.Each start/stop station contains one NO start pushbutton and one NC stop pushbutton.Motor OL contacts are to be
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec.
A disk clutch is to be designed for transmitting a torqueof 85N.m space restrictons limit the outside disk diameter to 100m.m.Design value for the molded friction material and steel disks to be used 0
A solution consisting of four parts 70% HNO3 , four parts 49% HF, and two parts CH3COOH is used to etch silicon. If the solution is held at room temperature, what etch rate would you expect? If the
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instr
In 1988, the average wage rate was $9.45 an hour and in 2008 the average wage rate was $18.00 an hour. The CPI in 1988 was 118.3 and in 2008 it was 215.3 . Which real wage rate is higher ?
Design a parking gate mechanism for use in a building where it needs to fold due to the height of that location. Dimensions are shown fig. The gate fixed pivots must be somewhere on the control post.
Three resistors R1, R2 and R3 are connected in series and a supply voltage of 240 V. If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resi
A machine used for making (cutting) gears is called a gear hobbing machine. The gear train below shows the essential features of the work spindle drive for a gear hobbing machine.
A dc series motor (A) should always be started on load (B) is most suitable for high starting torque. (C) always run at constant speed. (D) may 'run away' if the field gets opened.
How many times more ignition energy is required to achieve ignition of a fuel-air mixture at sea level with T = 298 K than at altitude of 6000 m where pressure P = 47,166 Pa and T = 248 K?
A composite load consists of two loads connected in parallel. One draws 100 W at a PF of 0.8 lagging, another takes 200 W at a PF=1. What is the PF of the composite load ?