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BARC OCES 2022 Quiz 12

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Question 1

Full load is supplied by the turbine shaft when the diameter of jet issuing from the nozzle is 150mm. If the load suddenly drops to 36% of the full load, what diameter of the jet should be attained by regulating the spear rod?

Question 2

A certain hydropower plant utilizes the flow as it occurs, without any provision for storage. If is premised that a defined minimum dry weather flow is available. Such a plant is classified as

Question 3

Which of the following are component parts for an oil pressure governor in modern turbines?

1) Servomotor, known as relay cylinder

2) Oil sump

3) Oil pump which is driven by a belt connected to turbine main shaft

4) Draft tube

Question 4

The movement of air mass in the case of Tornado can be described as

Question 5

Consider the the following statements:
1) In an Impulse turbine, the pressure of the flowing water remains unchanged and is equal to atmospheric pressure.
2) In Impulse turbines, the water impinges on the buckets with ‘pressure energy’.
3) In a Reaction turbine, the pressure of the, flowing water remains unchanged and is equal to atmospheric pressure.
Which of the above statements is/are correct?

Question 6

8 kg of bleaching powder is required per day for disinfecting 5 million litres per day. The dose of chlorine has to be 0.4 ppm. The available chlorine in bleaching powder is _______% (nearest integer).

Question 7

The unit oxidizing power of chlorine is 35.5 and that of dichloramine is 21.48. What is the approximate percentage of the available chlorine in dichloramine?

Question 8

Which of the following is the result of disinfection of water?

Question 9

Which of the following process includes chlorination of water above the break point?

Question 10

Which one of the following is not reduced by chlorination of water?

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ESE & GATE CE General

Mar 20ESE & GATE CE