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