The field D = (4 x 2
e
x
y
2
)ax + (6e
y
x
2
/y2
)ay – (2x2
y
2
z)az C/m2

exists at the centre of (16) (CLO-2)

a cube defined by -4.4
a) Find the total flux leaving the closed surface of the cube by applying Gauss’s law
b) Find expression for the divergence of D at the center of the cube, and at P (-2, -4, 3)
c) Determine the total charge (Q) enclosed within the cube
d) Find the volume charge density if D = 1/x (2xyz ax + 4x2

z ay + (3z2
– 5x2
y) az)

When using the ohmmeter function of a digital multimeter, the leads are placed in what position relative to the component being tested? a. parallel b. control c. series d. line

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10