Metal Cutting MCQ QuestionsI Metal Cutting MCQ Test-Mechanicaltalks by A.R 0 Created on February 07, 2022 By randeep paramanik Metal cutting set 1 Welcome to the Mega Quiz competition for every mechanical engineering examination.This quiz program is completely different from other quizzes you have given so far. Here each and every mechanical engineering subject questions are given topic by topic. 1 / 25 Angle between side cutting edge and axis of tool is known as: Side cutting edge angle Back rake angle Side rake angle Side relief angle 2 / 25 What is the optimum value of positive rake angle in degrees for maximum tool life? 12 20 10 15 3 / 25 Mechanical chipping may occur in which of the following tool? Mild Steel tool HSS tool Diamond tool None of the mentioned 4 / 25 Which of the following is correct about crater wear? None of the mentioned Occurs more hard tool Occurs more in soft tool Occurs more in brittle tool 5 / 25 Which of the following will give large friction during chip flow? Small lip angle tool Negative back rake angle tool Positive back rake angle tool Zero back rake angle tool 6 / 25 Flank wear occurs at Tool face Tool flank below cutting edge Tool shank None of the mentioned 7 / 25 For machining of carbide material which of the following tool will be preferred? Zero rake angle tools Small point angle tools Large negative rake angle tools Large positive rake angle tools 8 / 25 With an increase in side cutting edge angle keeping width of cut constant, depth of cut will Decrease Increase First increase then decrease Remains constant 9 / 25 Negative back rake angle is given for machining of: Soft and ductile material Brittle and hard material Ductile material Soft material 10 / 25 High speed steels are most suitable for High Negative rake angle tools Zero Rake angle tools None of the mentioned High Positive rake angle tools 11 / 25 Angle between the rake face flank of tool and perpendicular line drawn from cutting point to base of tool is known as: Back rake angle End relief angle Side relief angle Side rake angle 12 / 25 Angle between end cutting edge and axis of tool is known as: Back rake angle Side rake angle End cutting edge angle Side relief angle 13 / 25 Which of the following tools is most suitable for very hard and brittle material? None of the mentioned Carbides HSS Cast-cobalt alloy 14 / 25 Which of the following will give maximum chip flow during machining? Hard material Ductile material Brittle material All of the mentioned 15 / 25 For large negative back rake angle, tool will be Weaker Harder Smoother Stronger 16 / 25 For large positive back rake angle, tool will be Stronger Harder Weaker Smoother 17 / 25 Which of the following will give better chip flow? Positive back rake angle tool Negative back rake angle tool Zero back rake angle tool None of the mentioned 18 / 25 If a percentage of cobalt in Tungsten carbide tool increases, then toughness of tool will Increase Remains Constant Decrease First increase then decrease 19 / 25 Crater wear occurs at Tool face Tool shank Tool flank None of the mentioned 20 / 25 Angle between side cutting edge and end cutting edge in the top surface plane of tool. Side relief angle Nose angle Side rake angle Side cutting edge angle 21 / 25 Positive rake angle is given for machining of: Ductile material Brittle material None of the mentioned Both hard and soft material 22 / 25 With an increase in lip angle keeping side rake angle constant, strength of tool. Remains constant Decreases Increases None of the mentioned 23 / 25 Which of the following material can be used for coating on tools? WC (tungsten carbide) HSS (high speed steel) cBN (cubic boron nitride) TiCN (Titanium Carbo-Nitride) 24 / 25 Angle between the rake face and plane perpendicular to rake face is known as: End relief angle Side rake angle Back rake angle Side relief angle 25 / 25 What is the optimum value of side cutting edge in degrees for maximum tool life? 30 25 22 20 Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Spread the love
