NLC Technical Quiz 10

Two signals x₁(n] and x₂(n] are given by If x(n] is the convolution of x₁(n] and x₂(n] then the value of x(n] at n = 1 is?

In a certain case of measurement with a number of trial for the precision a set of current measured was recorded as 8.09, 8.12, 8.06, 8.15, 8.11 A. Calculate the range of measurement of current.

The full load output current when the maximum efficiency for a transformer having core loss of 200 W occurs at 80% loading and equivalent resistance referred to secondary of 2.5 Ω is:

An element which is connected to the second anode, which collect the secondary emission in cathode ray tube is called as?

If the percentage resistance of a power transformer for secondary side is 3 pu and turn ratio is 1:2 the percentage secondary resistance referred to primary will be

A circular loop is rotating about the y-axis as a diameter in a magnetic field . The induced emf in the loop is :

If a 250 MVA, 11/400KV three phase power transformer has leakage reactance of 0.05 per unit on the base of 250 MVA and the primary voltage of 11KV, then the actual leakage reactance of the transformer referred to the secondary side of 400KV is

Which one of the following statement is not true for single phase semi-converter, in which the firing angle of each thyristor is same.

If the co-ordinate of a point P, which is given in cartesian co-ordinate system is P(1, 1, 4). What will be co-ordinates of the point P in cylindrical co-ordinate system.

If a field ‘f’ which is a conservative field in nature, then which of the following statement is true.