Difference between Segmentation and Paging | Operating System Question & Answer
Difference between Segmentation and Paging
Showing posts with the label Switchgear & Protection QAShow All
Switchgear & Protection QA
Switchgear & Protection | Explain with neat sketch the operation of attracted armature type relay. State two advantages.
Operation of Attracted Armature Type Relay: The coil is energized by the actua…
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Switchgear & Protection QA
Switchgear & Protection | Explain over heating protection scheme of 3 phase transformer.
Over Heating Protection Scheme of 3 Phase Transformer: Figure shows overheatin…
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Switchgear & Protection QA
Switchgear & Protection | Explain how negative sequence current are set up in an alternator? Draw protective scheme for same.
Negative Phase Sequence Protection: Because of unbalance load, negative phase s…
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Switchgear & Protection QA
Switchgear & Protection | Explain why the secondary of a CT should not be open circuited?
Secondary of a CT should not be Open Circuited: If secondary of CT is open cir…
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Switchgear & Protection QA
Switchgear & Protection | Draw figure for restricted earth fault protection scheme for transformer.
Restricted Earth Fault Protection Scheme for Transformer:
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Switchgear & Protection QA
Switchgear & Protection | Compare electro mechanical relay and static relay.
Electro mechanical Relay 1. Its accuracy is very high. 2. Power consumption is …
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Switchgear & Protection QA
Switchgear & Protection | Draw neat sketch of induction type reverse power relay and explain its working.
Induction Type Reverse Power Relay: Figure shows the induction type directional…
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Switchgear & Protection QA
Switchgear & Protection | With neat sketch, explain watt-hr-meter structure of induction type relay.
Watt-Hour Meter Structure of Induction Type Relay: The general arrangement of…
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Switchgear & Protection QA
Switchgear & Protection | With the help of neat sketch, explain principle of operation and working of induction type over current relay.
Principle of Operation and Working of Induction Type Overcurrent Relay: Figure…
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Switchgear & Protection QA
Switchgear & Protection | State methods for arc extinction and explain working of any one method with neat circuit diagram.
Methods for Arc Extinction: There are two methods of arc extinction: i) High r…
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Switchgear & Protection QA
Switchgear & Protection | Explain construction and working of HRC fuse with diagram.
Construction of HRC fuse: HRC fuse mainly consists of heat resisting ceramic bo…
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Switchgear & Protection QA
Switchgear & Protection | Explain differential protection for busbar with diagram.
Under normal conditions, the sum of the currents entering the bus bar zone is e…
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Switchgear & Protection QA
Switchgear & Protection | Explain what is single phasing of 3Ï• I.M? Draw a neat circuit diagram of single phase preventer.
Single Phasing of 3Ï• I.M : When one of the supply lines of the three phase supp…
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Switchgear & Protection QA
Switchgear & Protection | Explain time graded over current protection for ring main system of busbar.
Time Graded Over Current Protection for Ring Main System of Bus Bar: The ring …
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Switchgear & Protection QA
Switchgear & Protection | With neat sketch explain Thyrite type Lighting Arrestor
Thyrite Type Lightning Arrestor : When the line voltage is normal, the air gap…
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Switchgear & Protection QA
Switchgear & Protection | Draw a neat labeled diagram of Merz Price protection scheme for an alternator.
Merz Price Protection of Alternator:
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Switchgear & Protection QA
Switchgear & Protection | Distinguish between circuit breaker and isolator.
Circuit breaker 1. 2. Operated ON load /on occurrence of fault. 3. Heavy cur…
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Switchgear & Protection QA
Switchgear & Protection | Explain arcing phenomenon in circuit breaker.
Arcing Phenomenon in Circuit Breaker: When a fault occurs, a large current flow…
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Switchgear & Protection QA
Switchgear & Protection | List the difficulties experienced in differential relay in alternator protection. How are they overcome?
Difficulties Experienced in Differential Relay in Alternator Protection: 1. The…
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Switchgear & Protection QA
Switchgear & Protection | Whether MCB is operated for earth fault? Give reason
MCB may or may not operate on earth fault here is the explanation: i) MCB is …
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Software Engineering | List characteristics of software.
Characteristics of software: i) Software is developed or engineered; it i…
Software Engineering | Why stress and performance testing is necessary?
Stress testing is a form of deliberately intense or thorough testing used …
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