“while” loop: A while loop checks condition before iteration of the loop. While is an entry controlled loop. In a while loop, it first checks the condition and then executes the code. In a while loop, the controlling condition appears at the start of the loop.

Question

A cylinder of diameter 10 cm rotates concentrically inside another hollow cylinder of inner diameter 10.1 cm. Both cylinders are 20 cm long and stand with their axis vertical. The annular space is filled with oil. If a torque of 100 kg cm is required to rotate the inner cylinder at 100 rpm, determine the viscosity of oil. Ans. μ= 29.82poise

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Chapter 6, Problem 4RQ

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After executing the given code, the output is “3 3 3 3 3 3 …”.

Hence, the correct answer is option “D”.

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Program Plan Intro

“while” loop:

A while loop checks condition before iteration of the loop.

While is an entry controlled loop.

In a while loop, it first checks the condition and then executes the code.

In a while loop, the controlling condition appears at the start of the loop.

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