Engineering Answers

1)   An instruction is stored at location 300 with its address field at location 301.

          The address field has the value 400. A processor register R 1 contains the

           number 200. Evaluate the effective address if the addressing mode of the

            instruction is (a) direct; (b) immediate; (c) relative; (d) register indirect;

                   (e) index with R1 as the index register.  

 Water flows at a depth of 40 cm in a100-cm-diameter storm sewer. Calculate the flow rate and the mass flux if the average velocity is 3m/s.

. A 120Vrms 60Hz source supplies four loads connected in parallel as shown below Load 1: 150 kVA, at 0.8 pf leading Load 2: 100 kVA, at unity pf Load 3: 200 kVA, at 0.6pf lagging Load 4: 80kW and 95kVAR (inductive) Find a) Power Factor b) Calculate the value of capacitance/inductance connected in parallel that will raise the power factor to unity

In computer architecture which different modes are defined such that in a given instruction set architecture how the machine language instructions identify the operand(s) of each instruction. Explain in detail about all of them with suitable examples

Using mathematical induction prove

1+4+7+10+…+(3n-2)=n(3n-1)/n

qUESTION: When will there be a drawback in using a Virtual Memory and why?

A steel wire ABC 16 m long having cross sectional area of 4 mm2 weighs 20 N as shown in figure 1.1. If the modulus of elasticity for the wire material is 200 GPa, find the deflections at points C ad D.

(a) The pitch circle diameter of the smaller of the two spur wheels which mesh externally an lute teeth is 100 mm. The number of teeth are 16 and 32. The pressure angle is 20 degrees a endum is 0.32 of the circular pitch. Find the length of the path of contact of the pair of teeth.

A pair of gears, having 40 and 30 teeth respectively are of 25° involute form. The addendum le m and the module pitch is 2.5 mm. If the smaller wheel is the driver and rotates at 1500 r.p.n velocity of sliding at the point of engagement and at the point of disengagement.

A symmetrical parabolic curve has a descending grade of -0.80% which meets an ascending grade of +0.40% at sta

10+020 having an elevation of 240.62 m. The maximum allowable change of grade per 20-m station is 0.15%

1. Determine the length of the parabolic curve.

2. Determine the stationing of the lowest point on the curve

3. Determine the elevation of the lowest point on the curve.

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