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# Hydroelectric Power Plant - 1

## 10 Questions MCQ Test Topicwise Question Bank for GATE Mechanical Engineering | Hydroelectric Power Plant - 1

Description
This mock test of Hydroelectric Power Plant - 1 for Mechanical Engineering helps you for every Mechanical Engineering entrance exam. This contains 10 Multiple Choice Questions for Mechanical Engineering Hydroelectric Power Plant - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Hydroelectric Power Plant - 1 quiz give you a good mix of easy questions and tough questions. Mechanical Engineering students definitely take this Hydroelectric Power Plant - 1 exercise for a better result in the exam. You can find other Hydroelectric Power Plant - 1 extra questions, long questions & short questions for Mechanical Engineering on EduRev as well by searching above.
QUESTION: 1

### Low specific speed of turbine implies it is

Solution:

Pelton turbine is of impulse type.

QUESTION: 2

Solution:
QUESTION: 3

### The maximum number of jets generally employed in impulse turbine without jet interference is

Solution:
QUESTION: 4

Match List-I (Turbine types) with List-ll (Row direction) the following:

Solution:
QUESTION: 5

Kaplan turbine

Solution:

A special type of a propeller turbine is the kapian turbine in which the individual runner blades are pivoted on the hub so that their inclination may be adjusted during operation responding to changes in load. The blades are adjusted automatically rotating about pivots with the help of a governor servo-mechanism.

QUESTION: 6

In Kaplan turbine runner, the number of blades are

Solution:
QUESTION: 7

In Francis turbine runner, the number of blades are

Solution:
QUESTION: 8

Cavitation in hydraulic turbine results in
1. noise and vibration
2. drop in output and efficiency
3. reduction of discharge
4. pitting on the surfaces

Q. Which of the above statements are valid?

Solution:
QUESTION: 9

The cavitation in reaction type hydraulic turbines is avoided by
2. using stainless steel runner
3. running turbine at designed speed
4. installing the turbine below the tail race level

Q. Which of the above are valid?

Solution:
QUESTION: 10

Runaway speed of a hydraulic turbine corresponds to the condition of

Solution: