Electrical Engineering Quiz 53
1 / 50
Which of the following are not repayable after a stipulated period?
2 / 50
In a lead-acid battery the energy is stored in the form of___________?
3 / 50
Which of the following cell has a. reversible chemical reaction ___________?
4 / 50
Which of the following motors is preferred for tape-recorders ?
5 / 50
When the load is above _______________ a synchronous motor is found to be more economical?
6 / 50
The selection of an electric motor for any application depends on which of the following factors ?
7 / 50
What is/are the configurable functions of each and every IOBs connected around the FPGA device from the operational point of view ?
8 / 50
Insulating materials have the function of______________?
9 / 50
Resistances can be measured with the help of_______________?
10 / 50
A no-load test is performed on a transformer to determine_______________?
11 / 50
A small coil lies inside a large coil. The two coils are horizontal concentric and carry currents in opposite directions. The large coil will experience______________?
12 / 50
____________are used for construction of core of electromagnets?
13 / 50
When a 1.6 k? resistor and a 120? resistor are connected in parallel, the total resistance is____________?
14 / 50
Evaporative type of condenser has___________?
15 / 50
If firing angle in an SCR circuit is increased, the output _____________?
16 / 50
A 741-Type OP-AMP has a gain-bandwith product of 1MHz. A non-inverting amplifier using this opamp & having a voltage gain of 20db will exhibit -3db bandwidth of______________?
17 / 50
capacitors can be used only for D.C ?
18 / 50
Hysteresis loss least depends on____________?
19 / 50
The disadvantage of base resistor method of transistor biasing is that it_________________?
20 / 50
A synchronous motor develops maximum power when load angle is____________?
21 / 50
When two ends of a circular uniform wire are joined to the terminals of a battery, the field at the center of the circle?
22 / 50
The superposition theorem requires as many circuits to be solved as there are____________?
23 / 50
The property of a conductor due to which it passes current is called___________?
24 / 50
Negative feedback in an amplifier____________?
25 / 50
If a square wave is fed to a differentiating circuit, the output will be _____________?
26 / 50
At transition temperature the value of critical field is____________?
27 / 50
Which of the following statements regarding hysteresis motor is in incorrect?
28 / 50
Heat control switches are used in__________________?
29 / 50
Thermal voltage VT can be given by____________?
30 / 50
is the property of absorbing moisture from atmosphere_____________?
31 / 50
Under over voltage condition impedance offered by the voltage clamping device is__________?
32 / 50
Zero initial condition for a system means_______________?
33 / 50
For starting a D.C. motor a starter is required because___________?
34 / 50
Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will_______________?
35 / 50
A star circuit has element of resistance R/2. The equivalent delta elements will be_____________?
36 / 50
In a capacitor start single-phase motor, when capacitor is replaced by a resistance____________?
37 / 50
Electric pressure is also called________?
38 / 50
A zener diode is________________ device?
39 / 50
The square waveform of current has following relation between r.m.s. value and average value?
40 / 50
The number of armature parallel paths in a two-pole D.C. generator having duplex lap winding is______________?
41 / 50
When the crystal current diode current is large, the bias is ______________?
42 / 50
Which of the following has the highest value of thermal conductivity ?
43 / 50
The function of conservator in a transformer is___________________?
44 / 50
In D.C. machines the number of slots per pole usually lies___________?
45 / 50
In a certain common-source D-MOSFET amplifier, Vds =3.2 V r.m. and Vgs = 280 mV r.m.s. The voltage gain is_______________?
46 / 50
SF6 gas______________?
47 / 50
The material commonly used for sheaths of underground cables is______________?
48 / 50
A nuclear power plant is invariably used as a__________?
49 / 50
The point of intersection of d.c. and a.c. load lines represents __________________?
50 / 50
In a full wave rectifier, the rectification ratio is approximately equal to____________?
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