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