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A steel pipe of 100-mm diameter is to support the loading shown. Knowing that the stock of pipes available has thicknesses varying from 6 mm to 24 mm in 3-mm increments, and that the allowable normal stress for the steel used is 150 MPa, determine the minimum wall thickness t that can be used.
A circuit consists of a current source, i=0.030 sin 500t, in parallel with L=20mH, C=50 micro Farads and R=25 Ohms. a. Determine the voltage V across the circuit. b. Solve for the power factor of the circuit.
A silicon abrupt junction, approximated by a step junction, has a doping of NA= 5 x1015/cm3 and ND= 1015/cm3 and a cross-sectional area (A) of 10-4cm2. Assume the depletion approximation, VA=0, and ni=1010/cm3 to: a. Calculate Vbi.
1) During a transient fault and a permanent fault on the transmission line of a power network, mention the sequence of a line circuit breaker's operation. 2) During a network fault, the voltage and active power of a synchronous generator drops
Baseband digital trnamission and multi level coding, A baseband digital data link transmits polar binary NRZ current pulses at a rate of 1.0 Msps. The link uses ideal RRC filters with roll off factor r = 0.5.
The other one is ON when the light sensor sees 10% more brightness than the left sensor. The third one goes ON if the brightness at the left sensor is in the range of -+10% of the right-light sensor.
A 4KHz audio signal is transmitted by using a PCM system and the quantization level, L is 256. Find transmission bit rate.
What is the value of the capacitance that will give a unity power factor when connected to the load?
Check the stability of the resulting design using CAD modeling over the frequency range of 1-12 GHz, or by using stability circles at a few frequencies.
Given a co-axial cable to which Pinner = a and Pouter = b energized +Q, -Q where -+Q is the inner cable charge. a) Find E' for a
Electrical & Instrumentation Use, State typical values for the loading effect on a low voltage AC circuit containing a lamp when measuring current with
Discuss the properties and practical applications of the following electrical engineering materials : (a)Carbon and graphite (b) copper
find the desired recycle ratio (moles recycled/moles fresh feed) if in the fresh feed A is 20% in excess, the once through conversion of B is 60%, and the overall conversion of B to products from the overall process is 90%.
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