What are the disadvantages of Open loop control system?
Last Answer : Open loop control system are less reliable. In open loop control system Optimization is not possible. Open loop control system are less accurate.
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Jul 4, 2019
by
anonymous

What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth
Last Answer : What will happen to the gain margin if the gain of the open loop system is doubled? A) Doubled B) Becomes half C) Is not affected D) Becomes one-fourth
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200 views
1 answer
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Jun 18, 2018
by
anonymous
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If the gain of the open loop system is doubled, the gain margin (1) Is not affected (2) Gets doubled (3) Becomes half (4) Becomes one -forth
Last Answer : If the gain of the open loop system is doubled, the gain margin Becomes half
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718 views
1 answer
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Apr 30, 2018
by
anonymous

What is an example of an open loop system?
Last Answer : Open loop system. Ex. Electric heater, washing machine, fan, electric switch, etc
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101 views
1 answer
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Mar 10, 2018
by
anonymous

what is open loop and close loop control system?
Last Answer : A) In open loop system the input is independent of output but output is depends on input. A-1. no feedback path in open loop s/m -2. less accuracy than close loop s/m. Ex. Washing ... -3. high accuracy. Ex. Air conditioner ( AC ), rocket launcher, radar system, etc
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130 views
2 answers
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Dec 4, 2017
by
anonymous

What are some examples of a closed loop system?
Last Answer : C.L s/m. EX. Air conditioner (AC), rocket launcher, radar system, voltage stabilizer etc.
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116 views
1 answer
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Mar 10, 2018
by
anonymous

Negative feedback in a closed-loop control system DOES NOT (A) reduce the overall gain (B) reduce bandwidth (C) improve disturbance rejection (D) reduce sensitivity to parameter variation
Last Answer : Negative feedback in a closed-loop control system DOES NOT reduce bandwidth
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231 views
1 answer
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Apr 26, 2018
by
anonymous

Draw the labeled block diagram of process control system and explain each block.
Last Answer : Explanation - Process control system consists of process or plant, sensor, error detector, automatic Controller, actuator or control element. 1) Process or plant- process means some manufacturing sequence ... process which changes the process variable. Output of this block is denoted by u .
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859 views
1 answer
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Jun 28, 2020
by
anonymous

A differentiator is not usually used in control system, because it : - (A) reduces damping (B) increases error (C) reduces gain margin (D) increases input noise
Last Answer : A differentiator is not usually used in control system, because it : - increases input noise
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114 views
1 answer
asked
Apr 30, 2018
by
anonymous

A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system (A) crosses the real axis at +0.1 (B) crosses the real axis at -0.1. (C) crosses the imaginary axis at -0.1 (D) crosses the imaginary axis at +0.1
Last Answer : A unity negative feedback control system is found to have a gain margin of 20 dB. The Nyquist plot of the system crosses the real axis at -0.1.
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267 views
1 answer
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Apr 28, 2018
by
anonymous

What is the automatic control system?
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Mar 10, 2018
by
anonymous

State advantages and disadvantages of radial distributor system.
Last Answer : Advantages of radial distributor system: 1. Design of layout is simple. 2. Capital cost & Erecting cost is less as there is only one feeder. 3. Time required for completion of ... maintain supply to consumers when there is maintenance on feeder. 3. Voltage fluctuations are more.
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437 views
1 answer
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May 22, 2020
by
anonymous

What are advantages and disadvantages of Mechatronics system?
Last Answer : Advantages of Mechatronics system: High level of integration. Increased functionality and better design. More use of electronics and software instead of mechanical function. Assumes ... Its replacement is difficult, that it is difficult to change old system to new system.
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2.4k views
1 answer
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Aug 10, 2019
by
anonymous

State two advantages of digital system over analog system.
Last Answer : 1. They are less susceptible to noise. 2. The effect of fluctuation in the characteristic of the components, ageing of components etc. is very small in digital circuits. 3. Digital circuits have capability of memory which makes them suitable for computers. 4. More accurate.
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132 views
1 answer
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Jul 31, 2019
by
anonymous
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State any four advantages of interconnected system.
Last Answer : Advantages of interconnected Systems: i) Reduced Overall installed Capacity: Inter connected power systems reduce the overall requirement of installed capacity for a given load area. With ... to interconnection, there is optimum utilization of available natural resources in the country.
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61 views
1 answer
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Sep 7, 2018
by
anonymous

What are the advantages of an interconnected system?
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80 views
0 answers
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Mar 10, 2018
by
anonymous

Last Answer : VLSI is small and consume less power and its designing is easy.
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82 views
1 answer
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Sep 24, 2017
by
anonymous

State any two commands for managing disk space and also state their use
Last Answer : There are primarily two commands that can be used for managing Disk space: 1. df 2. du 1. df - disk filesystem df command (short for disk filesystem) is used to show disk utilization ... the disk space used by files on a machine and crucial for disk space management on unix and linux systems.
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21 views
1 answer
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Jan 31, 2021
by
anonymous

A control system having unit damping factor will give (1) Oscillatory response (2) Undamped response (3) Critically damped response (4) No response
Last Answer : 1
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1.4k views
2 answers
asked
May 1, 2018
by
anonymous

What is the difference between a line voltage and low voltage control system?
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118 views
0 answers
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Mar 10, 2018
by
anonymous

Problem number 6.30 from digital control and state variable methods by M Gopal (second edition)
Last Answer : Solution for 6.30
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2.5k views
1 answer
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Sep 26, 2017
by
anonymous
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What are the advantages and disadvantages of automation?
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108 views
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Mar 10, 2018
by
anonymous

47 views
0 answers
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Mar 16, 2020
by
anonymous

How to Loop a Powerpoint Slideshow ?
Last Answer : How to Loop a Powerpoint Slideshow Many conferences, presentations, and meetings tend to last quite a while, and you may need your visual cues to last a little longer. Instead of making ... and attendees occupied, entertained, and well-informed about the goals of your project or your report.
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1 answer
asked
May 6, 2021
by
anonymous
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The loop equation for a series RLC circuit gives
Last Answer : The loop equation for a series RLC circuit gives
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127 views
1 answer
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Apr 2, 2020
by
anonymous

(i) Bilateral Network (ii) Node (iii) Loop (iv) Branch
Last Answer : (i) Bilateral Network: If the characteristic of network (response or behavior) is independent of the direction of current through its elements in it, then the network is called as a bilateral network e. ... A part of an electric network which lies between two junctions or nodes is known as branch.
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66 views
1 answer
asked
Aug 17, 2019
by
anonymous

Write the application of the following antennas: 1) Rectangular antenna 2) Dish antenna 3) Horn antenna 4) Loop antenna 5) Yagi-Uda antenna.
Last Answer : Applications: 1.Rectangular antenna i)Used in Mobile and satellite communication ii)Used in Global Positioning System iii) Used for Radio Frequency Identification (RFID) iv) Radar Dish ... antenna. 2. Yagi-Uda antenna is used in conditional Access System (CAS) at the decryptor.
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131 views
1 answer
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Aug 4, 2019
by
anonymous

Explain how sinusoidal AC voltage is generated by using simple one loop generator.
Last Answer : An electric current produced by means of electrical machine is known as generator which converts mechanical energy into electrical energy. When conductor cuts the magnetic flux, emf induced in it. (Faraday' ... upon position of armature. The nature of emf is alternating as shown by the waveform.
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1.5k views
1 answer
asked
Sep 7, 2018
by
anonymous

Define- (i) Node (ii) Loop for a DC circuit
Last Answer : Ans: i) Node: A point or junction at which two or more elements of network are connected is called as node. ii) Loop: A closed path for flow of current in an electrical circuit is called loop.
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71 views
1 answer
asked
Sep 2, 2018
by
anonymous

Explain the hysteresis loop of a magnetic material with neat diagram.
Last Answer : Hysteresis loop of magnetic material: The circuit arrangement for plotting the hysteresis loop is shown in figure given below. The electromagnetic part consists of a coil wound on the iron ring ... one magnetic reversal is called hysteresis loop. Meaning of hysteresis is to lag behind.
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675 views
1 answer
asked
Aug 8, 2018
by
anonymous

The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be A) 3 B) 2 C) 4 D) 5
Last Answer : The number of loop equations required to completely analysing a network comprising of 8 independent branches and 6 nodes including the reference node shall be 3
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159 views
1 answer
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Jun 18, 2018
by
anonymous

Which waves are demodulated by Costas loop? A) VSB B) SSB C) MSK D) DSBSC
Last Answer : Which waves are demodulated by Costas loop? A) VSB B) SSB C) MSK D) DSBSC
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72 views
1 answer
asked
Jun 18, 2018
by
anonymous

If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be?
Last Answer : If the area of hysteresis loop of a material is large, the hysteresis loss in this material will be large.
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631 views
1 answer
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Mar 25, 2018
by
anonymous

Last Answer : Murray loop test can be used for location of both the ground fault and the short-circuit fault.
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83 views
1 answer
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Mar 21, 2018
by
anonymous

What is the difference between a mesh and a loop?
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365 views
0 answers
asked
Mar 10, 2018
by
anonymous

The standard for long distance analog signal transmission in process control industry is (A) 4-20 mV (B) 0-20 mA (C) 4-20 mA (D) 0-5 V
Last Answer : The standard for long distance analog signal transmission in process control industry is 4-20 mA
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2.6k views
1 answer
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Apr 26, 2018
by
anonymous

What is control and automation?
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58 views
0 answers
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Mar 10, 2018
by
anonymous

What are the different types of control systems?
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66 views
0 answers
asked
Mar 10, 2018
by
anonymous

How to Open a Tight Jar Lid
Last Answer : How to Open a Tight Jar Lid There are instances when you buy a stubborn jar of pickles (Learn how to pickle), peanut butter or mayonnaise that you can't open with your hands. It can drive you ... no time. If you enjoy reading this article, you might as well read how to can fruits and vegetables.
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4 views
1 answer
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May 14, 2021
by
anonymous

How to Open a Can without a Can Opener
Last Answer : How to Open a Can without a Can Opener You're dying to sink your teeth into those canned peaches, but you find yourself without any can opener. At times like this, many people would easily give up ... you'll soon find yourself enjoying the yummy contents of the can. Be careful not to spill the food!
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1 answer
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May 14, 2021
by
anonymous

Open-Face Shrimp Melt
Last Answer : Open-Face Shrimp Melt - serves 2 Preparation - 15 minutes 3 ounces shelled and deveined cooked small shrimp, cut lengthwise into halves 1/4 cup chopped celery 2 tbsp chopped scallion (green ... baking sheet arrange sandwiches and broil 6 inches from heat source until cheese melts, about 1 minute.
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4 views
1 answer
asked
Apr 29, 2021
by
anonymous

Explain the open delta (delta-delta) test on transformer.
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75 views
0 answers
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Apr 27, 2020
by
anonymous

Describe the difference between an open circuit and a short circuit.
Last Answer : Open circuit means the wire is cut meaning power will not flow and close circuit means wire is not cut and hence power will flow.Short circuit is the same as close circuit
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7.8k views
3 answers
asked
Jun 29, 2019
by
anonymous

Why CT is never operated with an open secondary ?
Last Answer : CT secondary should never be kept open because it will cause saturation of the core to a high level and very high voltage will appear across the secondary which can breakdown the insulation. One terminal of PT secondary is always grounded to avoid capacitive induction and for human safety
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94 views
2 answers
asked
Sep 6, 2018
by
anonymous

A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is (A) 300 W (B) 150 W (C) 45 W (D) 20 W
Last Answer : A d.c. source has an open circuit voltage of 30 V and an internal resistance of 1.5 Ohm. A resistive load is connected to the source. Maximum power dissipated in the load is 150 W
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296 views
1 answer
asked
Apr 25, 2018
by
anonymous

An open resistor, when checked with an ohm-meter reads?
Last Answer : An open resistor, when checked with an ohm-meter reads infinite.
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117 views
1 answer
asked
Mar 25, 2018
by
anonymous

Last Answer : It is required to measure the true open circuit e.m.f. of a battery. The best device is D.C. potentiometer.
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284 views
1 answer
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Mar 21, 2018
by
anonymous

Last Answer : Open circuited armature coil of a D.C. machine is identified by the scarring of the commutator segment to which open circuited coil is connected and indicated by a spark completely around the commutator.
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162 views
1 answer
asked
Mar 20, 2018
by
anonymous

Last Answer : If the field winding of an unloaded salient pole synchronous motor is open circuited, the motor will stop.
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258 views
1 answer
asked
Mar 20, 2018
by
anonymous

During open circuit test of a transformer?
Last Answer : During open circuit test of a transformer primary is supplied rated voltage.
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111 views
1 answer
asked
Mar 19, 2018
by
anonymous
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