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