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