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