Complete GATE CE 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice

Questions 31–33 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 11 of 22

Question 21

Open question
CENAT1 markNeeds review
A core cutter of 130 mm height has inner and outer diameters of 100 mm and 106 mm, respectively. The area ratio of the core cutter (in %, up to two decimal places) is ______

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Question 22

Open question
CENAT1 markNeeds review
A 1:50 model of a spillway is to be tested in the laboratory. The discharge in the prototype spillway is 100 m

/s. The corresponding discharge (in m

/s, up to two decimal places) to be maintained in the model, neglecting variation in acceleration due to gravity, is ______

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Question 23

Open question
CENAT1 markNeeds review
A 10 m wide rectangular channel carries a discharge of 20 m

/s under critical condition. Using g = 9.81 m/s

, the specific energy (in m, up to two decimal places) is ______

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