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