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