JE 2019 || Day 39 || Combined Syllabus Quiz 3 for ESE & GATE EE Exams

Question 1

In A delta connected load is supplied from a 3 phase supply. The fuse in the B line is removed and current in other two lines is 20A., the zero sequence component of I_r is

Question 2

In appliances an automobile which material is used to produce shiny appearance during electroplating –

Question 3

What is the maximum load that is permitted in a power circuit?

Question 4

A lamp having mean spherical candle power 800 is suspended at a height of 10m. Calculate the illumination just below the lamp.

Question 5

In suburban services as compared with urban service:

Question 6

In a fluorescent tube circuit, the function of choke is primarily to:

Question 7

For the circuit shown in Fig.,
$Description: E:\Gate\SSC JE Electrical New Files-Done\14_Parallel-AC-Circuits_files\image068.png$

Question 8

In the circuit shown in Fig., the magnitude of impedance is
$Description: E:\Gate\SSC JE Electrical New Files-Done\14_Parallel-AC-Circuits_files\image072.png$

Question 9

In Fig., the circuit impedance magnitude is

Question 10

In the figure given below, the power dissipated in the circuit is

Question 11

In Fig., if frequency of voltage source is increased, the phase angle will
$Description: E:\Gate\SSC JE Electrical New Files-Done\14_Parallel-AC-Circuits_files\image102.png$

Question 12

The gauge factor of a resistance wire strain gauge using a soft iron wire of small diameter is 2.4. calculate the poisson’s ratio if piezoresistive effect is neglected –

Question 13

What represents the departure of the observed reading from the arithmetic mean of the group of readings?

Question 14

The size of the venturimeter is expressed as 200 x 100 mm². It means tea the

Question 15

A particular ammeter having sensitivity 2.5 mm/A produce a change in deflection of the pointer by 5mm. Calculate change in input –

Question 16

The speed at which a 6-pole alternator should be driven to generate 50 cycles per second is ……………….. .

Question 17

The frequency of e.m.f. generated in an 8-pole alternator running at 900 r.p.m. is ……………… .

Question 18

The synchronous reactance of an alternator is generally ………….. armature resistance.

Question 19

A 3-phase alternator generates an open circuit phase voltage of 4000 V when exciting current is 50 A; the short-circuit current for the same excitation being 800 A. The synchronous reactance per phase is ……………… .

Question 20

A 30 MVA, 15 kV alternator will have a per phase nominal impedance of ……………….