Engineering Answers

State the assumptions made in deriving a bending formula.

A settling chamber that is 12 m long, 2 m high and 2 m wide processes 240 m³/m of air at a temperature of 75 Celsius. Determine the maximum size of the particle with specific gravity of 1.8 that is removed with a theoretical efficiency of 100 percent

Give one real-life example in Computers of Deadlock 

and how to prevent it from occurring?

Give one real-life example in Computers of Deadlock 

and how to prevent it from occurring?

Determine the value of the anode current in the Figure below when the device is ON. 

VBR(F) =100V. Assume VBE=0.7V and VCE(sat) =0.1V for the internal transistor structure. What is the resistance in the forward conduction region of the 4-layer diode.

A 4-layer is biased in the forward –blocking region with an anode-to-cathode voltage of 20V under this bias condition, the anode current is 1uA. Determine the resistance of the diode in the forward-blocking region.

A JFET produces gate current of 20nA when gate is reversed biased with 8V. Determine the resistance between gate and source.

The device parameters for n-channel JFET are maximum drain current (IDSS) = 10mA, pinch-off voltage (Vp) =-4V

Calculate the drain current for 

(a) VGS= 0V (b) VGS=-1V (c) VGS=-4V

1, Oil with a viscosity coefficient of 15 poise is filled between parallel plates spaced 5 mm apart. When the lower plate is fixed and the upper plate moves at a speed of 5 m/s. what is the shear stress (Pa) generated on the plate surface?

2, When 1200N of lead is suspended from the bottom of cube (wood) of 1 m on a side and placed in water, how many cm is the height of the piece of wood that rises above the water ? (the specific gravity of wood block is 0.4, the specific gravity of lead is 12, and the bottom of the wood block is kept horizontal.

Construct the truth table for (pVq)∧(p∧q)