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