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ESE 2021 ME Technical Quiz || Basic Machine Tools & Machining operations
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Question 1
In which of the following operation, feed is parallel to the surface being machined:
Question 2
Which of the following is the slowest machining operation?
Question 3
A plain milling operation is done such that the depth of cut is 3.5 mm and the cutter diameter is 214 mm and the cutter is rotating at a rate of 165 rpm. The feed rate is 650 mm/min. the number of tooth on the cutter is 36. Find the feed rate (in mm /tooth)_______.
Question 4
Given that the peripheral speed of the grinding wheel of 100 mm diameter for cylindrical grinding of a steel workplace is 30 m/s, what will be the estimated rotational speed of the grinding wheel in revolution per minute (rpm)_____?
Question 5
A grinding operation require 5 kW of power to be carried by the motor. The material removal rate is given as 23.65 mm3/sec and the grinding ratio is given as 12. Find the wear rate (in mm3 /sec) of the grinding grains of the grinding wheel.
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