Test: Metal Cutting & Tool Materials - 1

Question 1

In an orthogonal cutting process, rake angle of the tool is 22⁰ and friction angle is 26⁰. Using Merchant’s shear angle relationship, the value of shear angle will be

Accepted Answer

430

Answer

410

Answer

420

Answer

440

Question 2

During an orthogonal machining operation on mild steel, the results obtained are:

What is the coefficient of friction between the tool and the chip?

Accepted Answer

0.5

Answer

0.25

Answer

0.3

Answer

0.55

Question 3

Match the List-I (Cutting tool material!) with List-II (Value of ‘n’ in equation, VTⁿ = C):

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 4

The approximate value of the tool life exponent 'n’ of cemented carbide tool is

Accepted Answer

0.20 to 0.48

Answer

0.03 to 0.08

Answer

0.08 to 0.20

Answer

0.48 to 0.70

Question 5

Which of the following work material has highest machining constant?

Accepted Answer

Stainless 303

Answer

High carbon steel

Answer

Stainless 304

Answer

AISI 1045

Question 6

In an orthogonal cutting process, rake angle of the tool is 20⁰ and friction angle is 24⁰. Using Lee's and Shaffer's shear angle, the value of shear angle will be

Accepted Answer

410

Answer

430

Answer

380

Answer

350

Question 7

Using the Taylor equation for tool life and letting n = 0.5 and C= 400, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.

Accepted Answer

300%

Answer

100%

Answer

No change

Answer

400%

Question 8

In material removal process, chipping is used to describe

Accepted Answer

breaking away of fragments of tool materials

Answer

formation of continuous chip with BUE

Answer

formation of discontinuous chip

Answer

promoting the formation of continuous chip

Question 9

Which isotherms have severe temperature gradient of the following temperature distribution in the cutting zone?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 10

Optimum cutting speed for minimum cost (V_cmin) and optimum cutting speed for maximum production rate (V_{r max}) have which one of the following relationship?

Accepted Answer

V_{r max} < V_{c min}

Answer

V_{c min} = V_{r max}

Answer

V_{c min} < V_{r max}

Answer

Metal Cutting & Tool Materials - 1 - Free MCQ Practice Test with solutions,

MCQ Practice Test & Solutions: Test: Metal Cutting & Tool Materials - 1 (10 Questions)

In an orthogonal cutting process, rake angle of the tool is 22⁰ and friction angle is 26⁰. Using Merchant’s shear angle relationship, the value of shear angle will be

During an orthogonal machining operation on mild steel, the results obtained are:

What is the coefficient of friction between the tool and the chip?

Match the List-I (Cutting tool material!) with List-II (Value of ‘n’ in equation, VTⁿ = C):

The approximate value of the tool life exponent 'n’ of cemented carbide tool is

Which of the following work material has highest machining constant?

In an orthogonal cutting process, rake angle of the tool is 20⁰ and friction angle is 24⁰. Using Lee's and Shaffer's shear angle, the value of shear angle will be

Using the Taylor equation for tool life and letting n = 0.5 and C= 400, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.

In material removal process, chipping is used to describe

Which isotherms have severe temperature gradient of the following temperature distribution in the cutting zone?

Optimum cutting speed for minimum cost (V_cmin) and optimum cutting speed for maximum production rate (V_{r max}) have which one of the following relationship?

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Topicwise Question Bank for Mechanical Engineering

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Metal Cutting & Tool Materials - 1 - Free MCQ Practice Test with solutions,

MCQ Practice Test & Solutions: Test: Metal Cutting & Tool Materials - 1 (10 Questions)

In an orthogonal cutting process, rake angle of the tool is 220 and friction angle is 260. Using Merchant’s shear angle relationship, the value of shear angle will be

During an orthogonal machining operation on mild steel, the results obtained are: What is the coefficient of friction between the tool and the chip?

Match the List-I (Cutting tool material!) with List-II (Value of ‘n’ in equation, VTn = C):

The approximate value of the tool life exponent 'n’ of cemented carbide tool is

Which of the following work material has highest machining constant?

In an orthogonal cutting process, rake angle of the tool is 200 and friction angle is 240. Using Lee's and Shaffer's shear angle, the value of shear angle will be

Using the Taylor equation for tool life and letting n = 0.5 and C= 400, calculate the percentage increase in tool life when the cutting speed is reduced by 50%.

In material removal process, chipping is used to describe

Which isotherms have severe temperature gradient of the following temperature distribution in the cutting zone?

Optimum cutting speed for minimum cost (Vcmin) and optimum cutting speed for maximum production rate (Vr max) have which one of the following relationship?

Topicwise Question Bank for Mechanical Engineering

Topicwise Question Bank for Mechanical Engineering

Top Courses for Mechanical Engineering

About this Mechanical Engineering Practice Test

Explore more Mechanical Engineering Study Resources

In an orthogonal cutting process, rake angle of the tool is 22⁰ and friction angle is 26⁰. Using Merchant’s shear angle relationship, the value of shear angle will be

During an orthogonal machining operation on mild steel, the results obtained are:

What is the coefficient of friction between the tool and the chip?

Match the List-I (Cutting tool material!) with List-II (Value of ‘n’ in equation, VTⁿ = C):

In an orthogonal cutting process, rake angle of the tool is 20⁰ and friction angle is 24⁰. Using Lee's and Shaffer's shear angle, the value of shear angle will be

Optimum cutting speed for minimum cost (V_cmin) and optimum cutting speed for maximum production rate (V_{r max}) have which one of the following relationship?