Metal Cutting MCQ QuestionsI Metal Cutting MCQ Test-Mechanicaltalks February 7, 2022February 7, 2022 by A.R 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 High speed steels are most suitable for High Positive rake angle tools Zero Rake angle tools None of the mentioned High Negative rake angle tools 2 / 25 For large negative back rake angle, tool will be Stronger Smoother Weaker Harder 3 / 25 Angle between side cutting edge and end cutting edge in the top surface plane of tool. Side cutting edge angle Side relief angle Nose angle Side rake angle 4 / 25 Angle between side cutting edge and axis of tool is known as: Side rake angle Side relief angle Back rake angle Side cutting edge angle 5 / 25 For large positive back rake angle, tool will be Weaker Smoother Stronger Harder 6 / 25 If a percentage of cobalt in Tungsten carbide tool increases, then toughness of tool will Decrease First increase then decrease Increase Remains Constant 7 / 25 Crater wear occurs at None of the mentioned Tool face Tool shank Tool flank 8 / 25 What is the optimum value of side cutting edge in degrees for maximum tool life? 30 20 25 22 9 / 25 With an increase in side cutting edge angle keeping width of cut constant, depth of cut will Increase Remains constant Decrease First increase then decrease 10 / 25 Which of the following will give maximum chip flow during machining? Brittle material All of the mentioned Hard material Ductile material 11 / 25 What is the optimum value of positive rake angle in degrees for maximum tool life? 20 15 12 10 12 / 25 Positive rake angle is given for machining of: Brittle material Both hard and soft material Ductile material None of the mentioned 13 / 25 With an increase in lip angle keeping side rake angle constant, strength of tool. Remains constant Decreases Increases None of the mentioned 14 / 25 Negative back rake angle is given for machining of: Soft material Ductile material Soft and ductile material Brittle and hard material 15 / 25 Which of the following will give better chip flow? Positive back rake angle tool None of the mentioned Negative back rake angle tool Zero back rake angle tool 16 / 25 Angle between the rake face and plane perpendicular to rake face is known as: Side rake angle End relief angle Side relief angle Back rake angle 17 / 25 Flank wear occurs at Tool flank below cutting edge Tool face None of the mentioned Tool shank 18 / 25 Which of the following tools is most suitable for very hard and brittle material? HSS Carbides Cast-cobalt alloy None of the mentioned 19 / 25 Mechanical chipping may occur in which of the following tool? Diamond tool None of the mentioned Mild Steel tool HSS tool 20 / 25 For machining of carbide material which of the following tool will be preferred? Large positive rake angle tools Large negative rake angle tools Zero rake angle tools Small point angle tools 21 / 25 Which of the following will give large friction during chip flow? Negative back rake angle tool Positive back rake angle tool Zero back rake angle tool Small lip angle tool 22 / 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 End relief angle Back rake angle Side relief angle 23 / 25 Angle between end cutting edge and axis of tool is known as: Back rake angle Side relief angle Side rake angle End cutting edge angle 24 / 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 25 / 25 Which of the following material can be used for coating on tools? cBN (cubic boron nitride) WC (tungsten carbide) HSS (high speed steel) TiCN (Titanium Carbo-Nitride) Your score is The average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Spread the love
