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ECE - Practice Test - 8

Q1:

Earthing switch is used for

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ECE Miscellaneous
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Q2:

To protect the power transformer (Y-Y with neutral grounded) against fault, which type of connection do the current transformers have?

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Q3:

A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero?

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Q4:

What is the preferred type of circuit breaker (CB) to be installed in extra high voltage AC system?

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Q5:

Which of the following relays are used in protection of medium transmission lines?

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Q6:

Lightning arresters are made up of which material?

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Q7:

Which of the following transformer is used in sub station for operating a protective relay?

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Q8:

In case of failure of prime mover of the generator, which type of relay is used?

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Q9:

Making current is a…….value?

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Q10:

Breaking current is a ………..value?

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Q11:

Differential relays does not used for which of the following faults?

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Q12:

Characteristics of arc quenching medium is/are

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Q13:

The pick up current of a relay is 6 A and the fault current in the relay coli is 30 A. Its PSM is:

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Q14:

If the fault current is 2 kA, the relay setting is 50% and the C.T. ratio is 4005, then the

plug setting multiplier of a relay will be

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Q15:

RNA contains

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Q16:

Gene is a segment segment of

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Q17:

Nucleic acids are polymers polymers of

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ECE Miscellaneous
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Q18:

The pyrimidine bases present in DNA are

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Q19:

Which of the following polymer is stored in the liver of animals?

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Q20:

Which of the following are purine bases?

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Q21:

Which of the following is phenotypic ratio of Mendel’s monohybrid cross?

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Q22:

The second law of inheritance proposed by Mendel deals with

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Q23:

The phenotypic ratio of F2 progeny in a dihybrid cross is

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Q24:

According to Mendel, plants of F1 generation show

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Q25:

How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?

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