60 views
in Electrical Engineering by
The measurement of dielectric loss and power factor is done using 

(A) Weins Bridge (B) Hays Bridge (C) Schering Bridge (D) Wheat Stone Bridge 

Your answer

Thanks for your contribution. Feel free to answer this question. Please avoid short answer. Your answer is most welcome. Be genuine.

Upload image or document:

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
Are you a robot ? (Y = Yes / N = No)
To avoid this verification in future, please log in or register.

1 Answer

0 votes
ago by
C Schering brigde

Related questions

0 answers 628 views

What is the power factor of a cable of loss angle “ө”?  (A) sin ө (B) cos ө (C) tan ө (D) Independent of ө 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 22 views

With the help of which bridge are the capacitance and dielectric loss of a capacitor generally measured ?

asked Apr 23, 2018 in Electrical Engineering by Shimroz123
1 answer 14 views

The power factor of dielectric :  (A) is a function of temperature of the dielectric only (B) depends only on voltage stress to which the dielectric is stressed (C) always constant (D) both (A) and (B)

asked Apr 30, 2018 in Electrical Engineering by Shimroz123
1 answer 15 views

Measurement of power and power factor of a 3-phase system by two wattmeter method can be obtained in case of  1. Balanced load and balanced source  2. Balanced source with 3-phase 3-wire unbalanced load  3. Unbalanced source with 3-phase 3-wire balanced load  4. Balanced source with 3-phase 4-wire unbalanced load  5. unbalanced and unbalanced source    (a) 1 only (b) 2, 3 and 5 (c) 1, 2, 3, 4 and 5 (d) 1, 2, 3 and 5 

asked May 13, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 10 views

For an insulating material, dielectric strength and dielectric loss should be respectively   (A) high and high (B) low and high (C) high and low (D) low and low.

asked May 16, 2018 in Electrical Engineering by Shimroz123
1 answer 11 views

For power measurement of three phase circuit by two wattmeter method, when the value of power factor is less than 0.5 lagging:

asked May 22, 2018 in Electrical Measurements and Instrumentation by Shimroz123
2 answers 64 views

The bridge used to measure the dielectric loss of an insulator is: A) Anderson bridge B) Wien’s bridge C) Schering bridge D) Any of the above

asked Jun 4, 2018 in Electrical Measurements and Instrumentation by Shimroz123
1 answer 10 views

Draw and explain the measurement of torque using Torque Cell

asked Sep 13, 2018 by Shimroz123
1 answer 15 views

The bridge most suited for accurate measurement of relative permittivity of dielectric materials is (A) Carey Foster Bridge (B) Anderson’s bridge (C) Heaviside Bridge modified by Campbell. (D) Schering Bridge.

asked Apr 28, 2018 in Control System by Shimroz123
0 answers 22 views

What is the maximum data rate that can be transmitted using a QPSK modulation with a roll-off factor of 0.2 for a 36 MHZ transponder?  A) 7.2 Mbps B) 30 Mbps C) 43.2 Mbps D) 60 Mbps

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
0 answers 189 views

Calculate the power loss, if power generated by two plants are P1=50 MW and P2 =40 MW and the loss coefficients are B11=0.001, B22=0.0025 and B12=-0.0005.  (A) 4.5 MW (B) 5.5 MW (C) 6.5 MW (D) 8.5 MW

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 24 views

What is the power factor when a single phase watt meter operating on 200 V and 5 A for 5 hours makes 2016 revolutions and the meter constant in revolution is 420? A) 0.04 B) 1.04 C) 0.96 D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 7 views

Draw and explain the displacement measurement system using LVDT.

asked Sep 13, 2018 by Shimroz123
1 answer 30 views

In a circuit containing R, L and C, power loss can take place in?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 62 views

The corona loss of a 3-phase transmission line is 100 kW at 60 kV/phase and 25 kW at 50 kV/phase. The disruptive critical voltage is (A) 40 kV (B) 43.6 kV (C) 49.6 kV (D) 50 kV

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
1 answer 28 views

 A transformer has maximum efficiency at 3/4 full load. The ratio of its iron losses and full load copper loss is : -  a) 16/9 b) 4 / 3 c) 3/4 d) 9 /16

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

Dielectric loss in a capacitor is best measured by (A) Wien Bridge (B) Schering Bridge (C) Anderson Bridge (D) Heaviside-Campbell Equal Ratio Bridge

asked Apr 25, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 8 views

 When alternator excitation increases and machine is operating at lagging power factor then (A) Armature current increases (B) Armature current decreases (C) Armature current remains unchanged (D) Armature voltage remains unchanged

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 54 views

A 1-phase, 7.46 kW motor is supplied from a 400 V, 50 Hz A.C mains. Its efficiency is 85% and power factor is 0.8 lagging. Calculate the KVA input (1) 9.56 kVA (2) 5.4 Kva (3) 10.97 kVA (4) 8.6 kVA 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

An alternator is delivering rated current at rated voltage and 0.8 power-factor lagging. For delivering rated current at rated voltage and 0.8 poWer—factor leading, the required excitation will be:  (A) less  (B) more (C) more or less (D) the same

asked Apr 9, 2018 in Electrical Engineering by Shimroz123
1 answer 27 views

Draw and explain in brief speed measurement using non-contact type transducer. 

asked Sep 13, 2018 by Shimroz123
1 answer 3 views

Draw and explain force or weight measurement using load cell. 

asked Sep 13, 2018 by Shimroz123
2 answers 15 views

Draw and explain temperature measurement using RTD. State its advantages and disadvantages.

asked Sep 12, 2018 by Shimroz123
1 answer 20 views

In a power generating station the Demand Factor and Load Factor are 0.5 and 0.2, respectively. If the connected load is 400 MW, the average demand is (A) 40 MW (B) 100 MW (C) 140 MW (D) 280 MW

asked Apr 25, 2018 in Electrical Engineering by Shimroz123
0 answers 22 views

How can we improve power factor using synchronous motor?

asked Mar 15, 2018 in Electrical Machine by Quiz
1 answer 43 views

For a short transmission line with r/x ratio of is 1.0, the regulation will be zero when the load power factor is

asked Apr 30, 2018 in Electrical Engineering by Shimroz123
1 answer 27 views

Two wattmeters are used to measure the power in a 3 -phase balanced system. What is the power factor of the load when one wattmeter reads twice the other ?  (a) 0 (b) 0.5 (c) 0.866 (d) 1

asked Apr 23, 2018 in Electrical Engineering by Zeeshan
0 answers 70 views

. If the peak transmitted power in a radar system is increased by a factor of 16, the maximum range will be increased by a factor of : (A) 2 (B) 4 (C) 8 (D) 16

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 24 views

The power factor of a spot welding machine is expected to be around (1) Unity (2) 0.8 lagging (3) 0.3-0.5 lagging (4) 0.8 leading 

asked Apr 11, 2018 in Electrical Engineering by Shimroz123
0 answers 14 views

A single phase motor draws a current of 5 A from a 120 V, 60 Hz line. The power factor of the motor is 65%. Calculate the active power absorbed by the motor.  (A) 600 W (B) 390 W (C) 456 W (D) 650 W 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 47 views

The power factor of a D.C. circuit is always?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 41 views

The ratio of active power to apparent power is known as____ factor.

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 84 views

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
1 answer 20 views

Power factor of the system is kept high?

asked Mar 25, 2018 in Electrical Engineering by Shimroz123
2 answers 49 views

What is the power factor of purely resistive circuit.

asked Mar 16, 2018 in Electrical Engineering by Quiz
1 answer 11 views

The measurement range of an ammeter can be increased by using a:

asked May 22, 2018 in Electrical Measurements and Instrumentation by Shimroz123
0 answers 10 views

In-circuit erasing and programming (without uv light) is done in the case of  A) MROM B) PROM C) EPROM D) EEPROM

asked Apr 9, 2018 in Electronics Engineering by Shimroz123
0 answers 42 views

We wish to build a 135 V, 20 A, DC power supply using a single phase bridge rectifier and an inductive filter. The peak to peak current ripple should be about 10%. If a 60 Hz AC source is available; Calculate the peak to peak current ripple.  (A) 19 A (B) 20 A (C) 2 A (D) 1 A 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 16 views

In two -wattmeter method of power measurement, if one wattmeter shows negative reading, then the power factor of the circuit is treated as (A) Unity (B) Lagging (C) Leading (D) Zero

asked Apr 14, 2018 in Electrical Engineering by Shimroz123
0 answers 21 views

In the measurement of three phase power by two wattmeter method, if the two wattmeter readings are equal then power factor of the circuit is  (A) 0.8 lag (B) Unity (C) 0.8 lead (D) Zero 

asked Apr 5, 2018 in Electrical Engineering by Shimroz123
1 answer 126 views

Power-factor of industrial arc and induction furnace is:

asked May 22, 2018 in Utilization of electrical energy by Shimroz123
1 answer 659 views

State the working principle and operation of Automatic power factor controller used in Transmission and Distribution system.

asked Oct 3, 2018 in Energy Conservation And Audit by Shimroz123
1 answer 5 views

What will be the efficiency when the transformer operates at unity power factor and 60% of full load 

asked Sep 1, 2018 by Shimroz123
1 answer 16 views

The power factor angle and torque angle of a salient pole synchronous generator drawing a current of 1.0 pu from a lagging load are 45o and 15o, respectively. The direct axis and quadrature axis currents, respectively, are (A) 0.5 pu, 0.866 pu (B) 0.866 pu, 0.5 pu (C) 0.707 pu, 0.707 pu (D) 0.5 pu, 0.5 pu

asked Apr 28, 2018 in Electrical Machine by Shimroz123

Welcome to electronics2electrical.com here you can ask questions related to electrical, electronics, mechanical, telecommunication, instrumentation, computer, mathematics, physics etc.
Be respectful to all the members. Do not copy and paste the answers from other websites which have copyright content. While asking question give full details about it.

Categories

Most popular tags

power motor dc circuit transformer voltage current used system phase resistance factor synchronous load ac energy induction electric generator series frequency between speed capacitor use electrical meter line difference control type mosfet transmission magnetic plant high single instrument bjt unit source advantages function diode and machine winding field define torque parallel amplifier supply shunt thyristor motors electricity arduino maximum time relay armature problem value on transformers types coil diagram state flow ratio material three formula starting direction theorem method emf operating efficiency digital wave microprocessor test instruments inductance loss measure operation connected signal low applications effect single-phase network temperature working constant losses different law wattmeter measuring compare controlled breaker drive device logic rc full switch flux wire resistivity disadvantages free of materials machines angle force converter conductor transistor gain open protection scr core measurement number bridge principle generators reactance circuits negative the friction iron loop short pole battery conservation steam resistors hysteresis computer using analog lines secondary station gate a rectifier inverter linear induced relays nuclear capacitance basic characteristics design direct work rotor electronics ammeter forces diesel damping rlc connection factors capacitors minimum insulation moving regulation running self systems air fault range main stability quality starter igbt eddy alternator ideal rl average 3-phase plants arc thermal error fuzzy biasing dielectric pressure balanced superposition errors copper rotation feedback impedance measured electronic electrons charge inductive transfer explain start off back curve over solar is three-phase tariff locomotive peak bias zener engineering commutator surge conductors rating universal potentiometer density permanent mechanical transducer capacity memory adc excitation two fuse pure harmonics application semiconductor inductor internal pmmc reaction welding resonance traction permeability breakers rms designed electromagnetic si generation brushes switching capacitive shaded rate 1 distribution resistor methods delta star oscillator reluctance simplification algebra 8085 boolean weston dynamometer insulating strength installation definition fuel heating earth units

8,480 questions

7,077 answers

134 comments

3,088 users

...